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Abbott-PCA-Plus-and-Plus-II-Service-Manual

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4. SHT SHT SHT SHT SHT SHT SHT SHT SHT 1 Technical Service Manual BITO BIT1 BIT2 BIT3 5 BIT6 BUSY RTSB RTSR 508 SDA SDCOM TXD ELON BUSY RST PRNTOUT 2 5REF 2 m Du D5 D6 07 MOTOR MOTOR MONITOR DRIVERS E mur P32 TO 5 47K 1 PRINTER 2 RNS DATAWAY 1 995 PORT a c RIPE Oe v UR ATH 4070 MOTOT 5 Ys KH m c28 zie 8 1 7 4081 zww2188n 5 8 RNS Ed 4 5 4 RNG 676 Hnt ZS og 4 3881 zw2186n 79 5 16 To NOTES Sit 8 5 i878 M0T03 Ut 7C 10 3 Ka 07 Hoel zvn2zioea 6 gt MOTON 11006
5. Past RED J3 1 2N6111 1 BAT m BLUE ORANGE Buc Ue __HERTSINK PEL ACI SENSE VRDC LM29u OCT LM29u0CT 3N25u D 4 50 HEATSINK ug ule 14001 _ 1 3 1 3 45V ox En EE IN OUT l 5 IN OUT gt sut TO 2N6111 CA5 7 GND gt BATTERY YELLOW 8 62 INGO nem Eu 2 c8 cis 2 C5 TRRNSF ORMER m duel 227181 Bei HERTSINK 22716 LM29U OCT ace lt 3 NJ NA NA CI R19 T I PS O 2200 35 3 docu L 1 RENS 110 SR 220Pr BROWN 2Nuu82 1 SENSE LM358 3 R12 R8 BRT 4 R25 lt a 38 U12R 2 2K 17 MGND EGND 470 5 1K Nne m T UTSHE 18 2 588V 215 R5 usa gt t BISBAT gt sur 2 OND 15K u18 Hr 39 7K R10 18 7K roe T GRAY 8 17 R11 220 d GREEN LT1009CZ ask Ej m amp ay P2 1 lt q tFLK AT 22 18V7T Sis lt Pie 7 COBAT i REF VIOLET BAT U3B gt SHT 2 BAT P2 3 lt 4 A p or ue iu BATTERY 4 5 MAINS 26 7K MONITOR PRINT LM385Z 17 2 5
6. FRONT PAN W P12 912 810 04213 42 12 12 CPU DISPLAY 24 24 gt 1 1 18 18 9 9 8 8 gt 39 39 13 13 14 15 15 19 2 2 6 16 gt 26 26 lt 27 27 28 28 23 23 30 30 31 31 gt 32 32 lt 33 33 21 YES ENTR 22 22 REV CHG 20 20 2 5REF 19 19 MAINS 6 6 4 AUDIO 5 5 5 7 5 3 3 gt 4 4 50 35 35 36 36 37 37 gt 38 38 25 25 2 4 4 PS PS PRINTER DATAWAY 1 1 STROBE 8 2 BITO AO 5 3 BITI M 6 2 2 3 BIT3 A3 1 5 BIT4 M 2 i BITS 5 24 5 BITS PARITY 22 9 0 DEFAULT N C H we ip BUSY PRINTER DATAWAY 13 N C N C lt AUTO FEED PORT N C N C 5 N C SELECT INPUT 4 GND N C 19 AUDH 23 20 SDA 21 21 SDB _ AUDMED 22 19 RSTA 20 23 RSTB AUDLO 18 gt SDCOM 15 GND 13 on 12 11 14 16 1 AUDIO 25 25 27 V UN b ON 1 OFF RECHG silence No_ 579 RESET START 5 64 PRINT 6 6 4 HISTORY A O O 6 o t PURGE SYSTEM 6 o LOADING DOSE vesvenTer REVIEM ed CHANGE AUDI
7. L 2 1 3 y TES ENTR I T tal 9 1 270K 510K 8 1 PES 4 BRO LNN 2 REVERE 9 8 BBRD gt REV CHG 10 107 U208 5 3 1896 9 5 65 SIL NO RxCxl 2 0 18 5 1 7 L T 5 6 a RSTZSTRT 4 13 87 8 1 7 8 1 SqTRI rR2 12 iu 5 A DA PRINT 5401 11 1 5 28 8 02 18 3 9 og ig vee 142 HISTORY 8 02 9 uisa e SAO 1Y1 1A1 5 2 DL 18 Ze 9 4538 256 10 D2 14 173 uy T 6 AUDIO 7uHC32 03 12 liy 8 17 FRONT AUDIO UIGC 19 AUDIBLE WATCHOOG 019114 i i PANEL 4 PRNTOUT L 05 7 5v 8 15 PUREE SWITCHES 74HC00 06 5 83 15 i D7 3 ans 17 3 2 12 5 7uHCu022 ig 219 280 19 MY 06705 CND 9 5 Jo0 1 m E H ONSW EX 7 al 7 5 RE 7 gt OFFSW ACTIVITY 5 BRD 13 ACTIVITY at 12 BRO 10K GNO SUSTEL ean 5 J12 BUDIBLE 13 cs 39 DC TO RC CONVERTER 26 00 tu ONSW EL PANEL rt 5 27 FEE 7uHC32 2 5137 S i U17 35 PIS 9 28 02 a uso Hn BRO i 5 Jua 5 23 IN OUT 1 VIN ya 29 03 m NS 95 D cre GND E awe 7 31 05 7uHCOB 59 m 144148 2 05 5 8 32 06 1 A 0 06 433 07 19 USC T TO 1
8. 47K 10K 470 39 pE A N 4 p GND S 19 5 nsn 8 7 5s SHT INL 053695 Aol 6 n 5 N 8i 8 1 m i878 2 amp 7 H 651 SHT DISBRT 1 gt SDB SHT LOBAT 2 8 VECES 5 23 4981 5 SHT ON H SIRE u2 BW gt SDA ZVN2106A SHT 1 Boon ifo 0 5 E t R13 8 5 188 gt MOTOS 10 083685 MHB pres ANE A 06 3 2 BITO M 15 5 T woros 18 01 5 2 20 8 BITI ay dE ONE MET EE Kw 2 8112 oc AK 03 E i ii io 38113 45 SEE NOTE 4 EET 14 zw186n 9 Po TO D4 50 50 BITU U i _5 8 1 05 TU 58 80115 8115 7 Ub 2 LL MOTOR 08 7 50 3915 8178 355 mxp 1 07 18 gp 9 17 1 R30 12 20 d vec 20 0 1 T 2 2K 3 3K i 13 11896 LPRNTR 1 gE HO 25 ELON 1 c13 T 24 4078 12 RNG Sd THES 8 8 1 d l sore PER K T oc RST m SHT 2 23 2 4081 5 mcr RNB E ZVN2106A SHT 1 CPUOFF R31 1 TN ORT SHT ONSR 8 220K lo 2 4 ND SHT gt PRNTOUT 12 WUTBRD 13 e 308 85 Leon 20 y gt SREF H R26 8 18 gt SHBFT 4012 C30 22K 8 1 HAFT 325 onsH 107 8 eur 1 00 13 L SHT ii OFF SH c26 L SHT 1 so ty gt 5 8 1 7 SHT 5 03 03 3 15 1 9 LEDK DETE mm dui S08 lin cer 1 SHT 57 7 18 NOTBRD TO 17 ng CPU
9. Section 5 MAINTENANCE AND SERVICE TESTS This section contains preventive maintenance information a performance verification test PVT and battery maintenance information for the PCA Plus and Plus II Series Infuser 5 1 PREVENTIVE MAINTENANCE A preventive maintenance program promotes longevity and trouble free operation of the infuser Such a program should include periodic inspection of the infuser exterior cleaning and sanitizing and checking for proper operation of the infuser by performing the PVT in Section 5 2 As a minimum requirement clean the infuser after each use Establish a regular cleaning schedule during use In addition clean the infuser and perform the PVT as part of any scheduled service or after any repair procedure 5 1 1 INSPECTING THE INFUSER Periodically inspect the infuser for signs of defects such as worn accessories broken instrument connections or damaged cables Such an inspection is also applicable after repairing or during cleaning Replace any damaged or defective external parts Inspect the following areas for missing or damaged parts and for cosmetic defects Labels Cords Switches and touchswitches Velcro straps External screws Case Pole clamp and pads Front panel Security door Accessories Technical Service Manual 5 1 430 04502 003 Rev 4 99 Section 5 MAINTENANCE AND SERVICE TESTS 5 1 2 CLEANING THE INFUSER The followi
10. 4 HEX HEAD SCREM 4 95 01026 Figure 7 15 Power Supply PWA and CPU Display PWA CPU DISPLAY PWA REPLACEMENT CAUTION Use proper ESD grounding techniques when handling components Wear an antistatic wrist strap and use an ESD protected workstation Store the PWA in an antistatic bag before placing it on any surface The recommended tools for this procedure are as follows No 2 Phillips screwdriver 1 4 inch nutdriver 5 16 inch nutdriver 1 4 inch open end wrench and Allen wrenches To replace the CPU display PWA refer to Figure 7 15 Power Supply PWA CPU Display PWA then proceed as follows 1 2 gt gi Disconnect the infuser from AC power Separate the infuser front and rear case assemblies as described in Section 7 2 2 Separating Front and Rear Case Assemblies Remove the power supply PWA as described in Section 7 3 15 Power Supply PWA Replacement Using a 1 4 inch nutdriver remove the four CPU display PWA spacers Set the nylon washers aside for re assembly Pivot the CPU display PWA on its right edge to access the flexible circuit cable Loosen the flexible circuit cable from J13 on the CPU display PWA Remove the 40 pin ribbon cable from J12 on the CPU display PWA Remove the CPU display PWA from the front panel assembly Technical Service Manual 7 29 430 04502 003 Rev 4 99 Section 7 REPLACEABLE PARTS AND REPAIRS 9 Reconnect
11. 34 805 ADS 7130 30 13 a5 85 5 15 os 17 05 a3 7143 0517 05 5 15 9 83 SEGb Hon 199 x1 ans 33 ADS BD 8 up uo 12 ra os 18 06 Bu Say 08 18 06 09 3 cu SEGc E2 18 x2 32 807 AD 13 160 Sol 87 A7 07 19 07 R5 5 n5 0731907 DL up DM uo nos 21 RB lic 28 RB 25 las Tag D2 18 5 19 LOMHZ 20 0 ngg 22 R9 Lor 18 24 19 87 3187 121 5 317 N70 yu 726 3ldER 23 wm ALO 214010 25 Ag 09 an 1 258 Lcis ctu MEM S Rsr 24 ALL cg 23 Jatt 5 A9 20 05 8 g 35 tal h2 7 112 25 R12 178 al2 2 612 RIg 21 816 06 14 160 H3 n13 26 A13 1 E 28 13 ALL 23 All 07 SD 50 12 QI 5 ELE2 aM mem 41 niu 27 ot Al 27 R12 812 9 1 vec 2 ull ats 28 BUSS LATCH 1 15 vec 28 20 28 Ud oe cno LE 5 982 us cei HE D H dorr EN mi 284 ono E J 7 83 i 5 12 tor Pile 280 pee 8 1 mE 13 pu du ETE FSER 6 178 556 15 051216 y 02987 1 AUDIBLE 15 p3 5 ALU ll 1 piy 5 MALE I i P3 0 215 6 BWAT 478 18k ALE 13 9160 RDCOBO9 74HC00 9 0 0 25 80 52 START ADDB 21 ES Y AI A t eee
12. O U7uF 270 6 BIT y BIT 5 X 18 PRNIR 3 B 1 4 2 1 STROBE 2 BELL 25 GND 11 BUSY 24 SDCOM 22 RTSA 293 ATSB 21 SDB 9 B 20 SDA 6 HL top AL center AL bottom AA RED AA BL PP sleeve PP tip D 5 ABBOTT LABORATORIES HOSPITAL PRODUCTS DIVISION MV DS E Figure 9 7 Interconnect PWA Schematic DRAWING NO REV A 249 04440 002 SHEET 1 OF 1 9 67 430 04502 003 Rev 4 99 Section 9 DRAWINGS This page intentionally left blank 430 04502 003 Rev 4 99 9 68 PCA Plus and Plus II Series Infusers Section 10 INDEX 15 Conductor Diagnostic Cable Replacement 7 32 40 pin Ribbon Cable Replacement 7 31 A AC Operation 4 10 Power Cord Plug Replacement 7 27 Power Cord Replacement 7 26 Acronyms and Abbreviations 1 2 ADC 4 6 Adjustment Door Lock Switch 7 19 Injector Sensor Switch 7 5 LCD Intensity 7 17 Occlusion Alarm Pressure 008 and Lower 7 14 Occlusion Alarm Pressure 010 and Higher 7 16 Occlusion Alarm Switch 7 12 Syringe Empty Switch 7 10 Syringe Low Switch 7 9 Vial Sensor Switch 7 7 Adjustment Procedures 7 3 Alarm And Display Message Overview 6 2 Causes and Actions 6 3 Check Vial 4 17 Occlusion Switch and Pressure Adjustment 008 and Lower 7 14 Occlusion Switch and Pressure Adjustment 010 and Higher 7 16 Alarm System Injector and Vial Sensor 4 1
13. 3 de OFFSW 8 TO lt 2 oe TEST PORT i Us 2 508 PRTIENTSu 10 lt 1 ANU 1 1 LEE Sue fe LM385Z BOORSH oh RNS ra 2 5 2 5REF 2 5REF gut 2 SYRINGE ENPTYSH lt 12 i 5 iN i SYRINGE LOSK 13 4077 9 52 0 PRESSURESH lt 14 5 10 MALF gt SHT 2 es cl vacsn amp 2 05 LT1009CZ 8 8 u138 90 INJECTORSW lt 4 1877 15 ZVN2106R 15 1 3 5619 JG 0 01 c23 21 2 che CPUOFF 1 1 4 L gt 2 L 0 1T0 1T0 1 ovp SHT 2 VIALSH lt 2 SHT 2 Ju 190148 SHT 2 VIBL SHT 2 INJECTORS4 1 144148 5 7 ON Fm MECHANISM 1NU1u8 ONSH 47 UTKS 7 ANI JuHC2uu e Ee sj i 4 Lig 20 RN7 3 2 SS tC 5 PRESSURESH 5 8 T PRLI 2181 1v1 18 Da SHT 2 TEM 192 1Y2 21 5HT 2 SYRINGE LOSH 3 4 f SYREM 6 193 yg 173114 D2 2 l 3 2 PATIENT 8 tru 12 03 SHT 2 SYRINGE lt 4 YES ENTA 11 pj Du SHT 2 9 18 13 2082 22 2 SHT 2 5V bi 4 15 253 213 06 SHT 2 E il ES 17 onu ary 3 1 SHT 2 dii 1955 REE 6 1 T 26 i t NE T 9
14. INFUSER FRONT CASE 95F01010 Figure 7 2 Injector Sensor Switch 008 and Lower 430 04502 003 Rev 4 99 7 6 LifeCare PCA Plus and Plus Series Infusers ADJUSTMENT PROCEDURES MOTOR ASSEMBLY SWITCH MOUNTING SCREW 2 INFUSER FRONT CASE 95F01023 Figure 7 3 Injector Sensor Switch 010 and Higher 724 VIAL SENSOR SWITCH ADJUSTMENT CAUTION Use proper ESD grounding techniques when handling components Wear an antistatic wrist strap and use an ESD protected workstation Store the PWA in an antistatic bag before placing it on any surface The recommended tools for this procedure are as follows No 2 Phillips screwdriver 1 4 inch nutdriver 3 16 inch nutdriver 5 16 inch nutdriver and red GLPT insulating varnish To adjust the vial sensor switch refer to Figure 7 4 Vial Sensor Switch and Syringe Low Switch 008 and Lower then proceed as follows Note Infusers with final assembly number 010 and higher do not have a vial sensor switch bracket see Figure 7 5 Vial Sensor Switch 010 and Higher No adjustment is required on infusers with final assembly number 010 and higher 1 Disconnect the infuser from AC power 2 Separate the infuser front and rear case assemblies as described in Section 7 2 2 Separating Front and Rear Case Assemblies 3 Loosen the two vial sensor switch adjustment screws with a 3 16 inch nutdriver until the switch holder can be easily moved do not loosen the screws so muc
15. a 95E01002 ABBOTT LABORATORIES HOSPITAL PRODUCTS DIVISION MV Figure 9 1 IPB for the Infuser DRAWING NO REV N A N A SHEET 5 OF 16 9 17 430 04502 003 Rev 4 99 Section 9 DRAWINGS This page intentionally left blank 430 04502 003 Rev 4 99 9 18 PCA Plus and Plus II Series Infusers Technical Service Manual 95E01004 ABBOTT LABORATORIES HOSPITAL PRODUCTS DIVISION MV Figure 9 1 IPB for the Infuser DRAWING NO REV N A N A SHEET 6 OF 16 9 19 430 04502 003 Rev 4 99 Section 9 DRAWINGS This page intentionally left blank 430 04502 003 Rev 4 99 9 20 PCA Plus and Plus II Series Infusers 95E01003 Technical Service Manual ABBOTT LABORATORIES HOSPITAL PRODUCTS DIVISION MV Figure 9 1 IPB for the Infuser DRAWING NO N A REV N A SHEET 7 OF 16 9 21 430 04502 003 Rev 4 99 Section 9 DRAWINGS This page intentionally left blank 430 04502 003 Rev 4 99 9 22 PCA Plus and Plus II Series Infusers ABBOTT LABORATORIES HOSPITAL PRODUCTS DIVISION MV Figure 9 1 IPB for the Infuser 95E01006 Technical Service Manual DRAWING NO REV N A N A
16. 8 1 5 28 4 ar i30 ci2 c18 l cii REAR CASE BOR 8 1778 178 1T 8 1 7 25 n aei 9 1 gt el 2 te LM358 d UU 9 4093 J7 1 PATIENTSH 16 SHSTSEL 55 SWSTSEL REV CHG BACKPANEL RUDH 12 4 D 21 YtS ENTR NOTES _ ANS MAINS 18 MAINS 1 RESISTORS IN OHMS 1 57 RuDMED 11 2 71 03 PRINT 25 SEINT TO UNLESS NOTED R15 10 ZVN2106A GINA 8 quoio 2 CAPACITORS IN UF 20 SOV RUDLA 35 oun CPU OR GREATER UNLESS NOTED N 90010 10 AUDIO 35 5 3 R20 NOT USED 13 38 2 Ul U2 Cl C2 NOT USED GND 820 72 060 FOR RS 485 ONLY 5 5 EGND FILE PCA2PS1 SCH 8 17 87 Tt e isi u 5D 95 50 ABBOTT LABORATORIES HOSPITAL PRODUCTS DIVISION MV Figure 9 5 Power Supply PWA Schematic PCAII DRAWING NO 249 04212 009 SHEET 3 OF 8 Technical Service Manual 9 53 430 04502 003 Rev 4 99 Section 9 DRAWINGS This page intentionally left blank 430 04502 003 Rev 4 99 9 54 PCA Plus and Plus II Series Infusers SHT 1 SHT SHT SHT SHT SHT SHT SHT 1 SHT 1 SHT 1 SHT 1 SHT 1 5VI
17. CSV sur 2 TO t naa GND GND ATTERY T T 1 5 JE YELLOW 0 62 1 2 06 515 2 C5 TRRNSFORMER Eon x 22 18 8 47 HEATSINK 22 18Y LM29U0C T RC R21 4 4 DAE nu Q 2200 35 F AZ BROWN 7 2 SENSE R12 BAT 825 49 9K 5 2K 1 m EGND 470 IN a al 1 us T m gt t DISERT gut 2 GND d R10 18 7 T R11 220 ii GREEN 18 33K cu sp 83 LM358 eil 1 m s 52 1 111009 7 22 16 st 3 REF ES R6 038 gt SHT 2 2 3 LA 37 vat lt BRTTERY 5 x NRINS 26 7K MONITOR DS PRINI LN3852 12 2 5 lt gt 7 TO 5 2 TEST PORT ELA i us re PATIENTS RNU ecc dos s LM385Z OOORSH lt 3 lu RNS 2 5 2 5REF 2 5REF 12 cu TE gt 4 gt SHT 2 SYRINGE EMPTYSH 4 13 5 x 1022 SYRINGE LOSH NN 1532 P PRESSURES LL Q 19 2 MALF gt SHT 2 D 3 2 c e 8 VIALSH T 3 H 05 LT1008CZ 1 1 INJECTORSH 4077 gt zvN2106A E 2445 15 i 1 L 1N6263 T 7 lt 12 L 833 10K dat cl d 221 1
18. Differential amplifier U3 20 mA shut off circuitry Q2 Window comparator with hysteresis U1 60 minute battery charger timer U2 200 mA constant current source transistors Q7 Q8 Q9 and associated logic transistors Q3 Q4 Q5 Q6 AC detector transistor Q1 The battery boost charger PWA functions during infuser AC power and battery power operation as described in the following sections Technical Service Manual 4 9 430 04502 003 Rev 4 99 Section 4 MECHANICS OVERVIEW 4 2 3 1 AC OPERATION Voltage detector Ul with associated capacitors and resistors functions as a window comparator with hysteresis When the battery is initially connected the output of U1 is at logic high After the battery voltage reaches 10 VDC the output of U1 goes low disabling transistors Q3 and Q4 and triggering the timer U2 The clock frequency of U2 is determined by C5 and R9 time out is pending the biasing of the U2 program inputs A B C and D Upon time out the DECODE signal on output pin 13 of U2 goes high this signal disables Q5 removes the supply to Q9 and causes battery charging to stop The DECODE signal also locks in U2 preventing operation by placing a logic high on the SET input pin 1 of U2 The AC DC detector consists of transistor Q1 and associated resistors When the infuser operates on AC power the collector of Q1 is at logic low enabling timer U2 and transistor Q6 During DC operation the VRDC
19. 6 Remove the two 7 64 inch Allen screws that attach the motor gear case to the slide assembly Remove motor assembly Note A coupling tube and a coupling clip come off with the motor assembly 7 Place the coupling clip inside the coupling tube and install both parts on the motor gear case shaft 8 Line up the flats of the lead screw and the motor gear case shafts Push the motor assembly onto the lead screw shaft If necessary move the motor assembly from side to side until the coupling pin engages the flats of the lead screw and motor gear case shafts When the motor assembly is flush against the bottom of the slide align the motor gear case holes with the holes tapped in the bottom of the slide 9 Re install the two 7 64 inch Allen screws removed in Step 6 10 Re assemble the infuser in the exact reverse order of disassembly 11 Close and lock the security door To verify successful replacement of the motor assembly perform the PVT as described in Section 5 2 CLIP POSITIONED i VIEW OF COUPLING Z INSIDE COUPLING TUBE li i e COUPLING TUBE CLIP MOTOR SHAFT Lee 1 MOTOR ASSEMBLY GEAR CASE NOTE COUPLING CLIP MAY BE 7 64 INCH CURVED ON SOME ASSEMBLIES TJ SCREW 95F01027 Figure 7 19 Motor Assembly Replacement 008 and Lower 430 04502 003 Rev 4 99 7 40 LifeCare PCA Plus and Plus Series Infusers 7 3 29 REPLACEMENT PROCEDURES MOTOR ASSEMBLY
20. ADHESIVE PAD 2 HEX HEAD SCREW AND NUT 2 15 CONDUCTOR DIAGNOSTIC CABLE 95F01038 Figure 7 16 15 Conductor Diagnostic Cable CRADLE ASSEMBLY REPLACEMENT There are two versions of the cradle assembly Refer to Figure 7 17 Cradle Assembly Replacement which details the differences between the cradle assemblies The recommended tool for this procedure is a 5 64 inch Allen wrench or a No 2 Phillips screwdriver To replace the cradle assembly refer to Figure 7 17 then proceed as follows pe m gt Disconnect the infuser from AC power Open the security door Place the infuser face up on a soft surface Using a 5 64 inch Allen wrench remove the two Allen screws that secure the cradle assembly Remove the cradle assembly Note Infusers 010 and higher are configured with Phillips screws securing the cradle assembly If replacing the cradle assembly for infusers 010 or higher use a No 2 Phillips screwdriver to remove the screws Install the replacement cradle assembly using the screws removed in Step 4 Close and lock the security door Technical Service Manual 7 33 430 04502 003 Rev 4 99 Section 7 REPLACEABLE PARTS AND REPAIRS To verify successful replacement of the cradle assembly perform the PVT as described in Section 5 2 CRADLE RELEASE MECHANISM UPPER VIAL RETAINER SCREWS VIAL SENSOR SWITCH VIAL CRADLE CLIPS LOWER VIAL RETAINER SPRING L
21. PUMP ING HUNDREDS ata U18A 1 26 Ping Di 5 75 9052 7503 HDSF 7503 HDSP 7503 HOSP 7503 RO 9 25 LM358 27 INI 15 02 SECs 18 fa SEGe 10 10 SEGe 18 SEGe 18 5 Bl 102 2j 8 28 03 SECb 9 b b u 13 OHM L 18 4 SEGc x lt d 2 19 D5 SEGd 5 d a I ACTIVITY 88 129 5 S 20 Ece 6 e RX 4 S 06 7 ntu82 LOK 6 21 07 SEGF 2 F 5 F 23 PENG e P 2 5V 5 vec 1i 5 5 Em gm V l t 7 12 dp CC dp CC dp CC dp CC dp CC UN 40 5l c23 052 7 16 053 osu 1 055 1 16 086 057 il 2 5 lt 20 9 1 19 no iu MAINS 17 52 vee 17 r 5 12 1 R2 50 15 13 9D SPRRES 83 21902 mli 3 lu I 5 c 5 18 2 15 13 oND 1013 1 16 5 8 cu cau U18B gt gt 7 R2 2855 0 1 2655 0 oo 22 16 22 16V 7 RL e 2 GND m mm 7 1 Joe N2003 RI lt 38 5 LM358 10K 8 1 UL 5 5 A A 1 lt 35 Ue 31 3 n 35 3 4 1 RESISTORS IN OHMS L UM 5 M 5 n 5 UNLESS NOTED 2 CAPACITORS IN UF 20 50V OR 051 JENO 058
22. Table 6 2 Infuser Troubleshooting Alarm Message Possible Corrective Fault Symptom Cause Action No AC or battery operation MALFUNCTION XX Error code displayed in place of XX No audible alarm or audible alarm level control 6 5 Fuse blown Defective power supply PWA Infuser self test programs have detected an internal failure Defective audible level switch Defective power supply PWA Replace fuse see Section 7 8 6 Measure AC voltage between J3 pins 2 and 3 If voltage is between 11 and 17 VAC replace power supply PWA see Section 7 3 15 f voltage is not between 11 and 17 VAC contact Abbott Laboratories Note malfunction code displayed Press OFF RECHG touchswitch to silence alarm turn infuser off Remove infuser from service and refer to Table 6 1 Replace audible level switch see Section 7 3 36 Replace power supply PWA see Section 7 3 15 PVT TROUBLESHOOTING Table 6 3 Troubleshooting with the PVT describes failures that may be detected during the PVT see Section 5 2 If an error code displays see Section 6 3 Alarm and Display Message Overview Table 6 3 Troubleshooting with the PVT PVT Test Failure Possible Cause Corrective Action Hold OFF RECHG for six seconds Service test mode test Infuser not in cold start Section 5 2 4 Defective touchswitch Replace front panel see Section 7 3 40 Defective CPU display PWA Replace CPU display PWA see Section 7 3
23. ABBOTT LABORATORIES HPD TECHNICAL SUPPORT OPERATIONS ELECTRONIC TECHNICAL SERVICE MANUAL PCA Plus and Plus Series Infusers CLICK HERE EPS 04502 003 Rev 4 99 CONTINUE LifeCare 4100 PCA PLUS AND PLUS II SERIES INFUSERS For use with list 1950 04 1950 13 Technical Service Manual C Abbott Laboratories North Chicago IL 60064 USA 430 04502 003 Rev 4 99 Copyright 1999 Abbott Laboratories All Rights Reserved This document and the subject matter disclosed herein are proprietary information Abbott Laboratories retains all the exclusive rights of dissemination reproduction manufacture and sale Any party using this document accepts it in confidence and agrees not to duplicate it in whole or in part nor disclose it to others without the written consent of Abbott Laboratories 430 04502 003 Rev 4 99 LifeCare PCA Plus and Plus II Series Infusers Part Number 430 04502 001 Rev 6 93 430 04502 01 Change History Remove and Description of Change Destroy Pages Original release This manual replaces manual part numbers 430 04461 001 Rev 6 91 and 430 04287 002 Rev 1 91 Updated cover and copyright page Cover on the reverse side Updated Change History ii Updated PCA CONTINUOUS 5 7 5 8 test Update Syringe Empty Switch 7 9 7 10 Adjustment Procedure and reverse side page Note Stand alone change pages are identified as part number 450 04502 A01 Abb
24. Battery Life PCA Only Mode Continuous Only Mode PCA Continuous Lockout Interval Range Backpressure Range Operating Environment Electrical Safety Administration Sets 430 04502 003 Rev 4 99 Height 13 inches 33 cm Width 8 inches 20 cm Depth 6 inches 15 cm Approximately 15 pounds 7 Kilograms 110 120 VAC 50 60 Hz 25 watts Slo blo 0 25 A 250 VDC Hospital grade 3 pin High density polyurethane structural foam 8 VDC 3 0 ampere hour 4 cell sealed lead acid rechargeable battery pack Approximately four hours of operation with up to 30 mL of delivery when fully charged Approximately 1 mL in 35 seconds Variable from 0 1 x concentration to 20 x concentration mg hr or ug hr Variable from 0 1 x concentration to 20 x concentration mg hr or ug hr plus PCA rate 5 to 100 minutes in 1 minute increments 10 to 20 psig 10 to 40 degrees C 50 to 104 degrees F ambient temperature 5 to 95 percent relative humidity noncondensing Meets UL 544 ANSI SLC and CSA 22 2 standards Use only compatible Abbott PCA sets with integral anti siphon valve 8 2 LifeCare PCA Plus and Plus II Series Infusers Section 9 DRAWINGS Figure 9 1 IPB for the Infuser through Figure 9 7 Interconnect PWA Schematic detail the infuser through illustrated parts breakdown IPB interconnect and schematic diagrams Table 9 1 Drawings lists drawings by figure number title and drawing number
25. VIAL SWITCH BATTERY INJECTOR SWITCH POWER BIDIRECTIONAL DATA BUS ADDRESS DATA m s n DISPLAY LATCH m CONTROL AO A7 x M er eR EUR ER DRE RBA NO E N di ADO A07 00 01 LED ADDRESS oii DISPLAY E R 050 0817 MICROPROCESSOR RE Ss DRIVEN A8 A14 AQ A3 CS3 0 1 z READ posi 2142 MEMORY D0 D7 AO A14 CS WATCHDOG 2 B E 0 2 a RANDOM Qo Sir au ACCESS ANALOG ves MEMORY DIGITAL A0 A12 REAL TIME 00 07 5 VERTER CLOCK CONVERTE CS4 PROGRAMABLE PERIPHERAL 5 INTERFACE LL MOTOR 3 1 RIVER DEVICE DRIVERS 00 07 PRINTER 09 PRINTER POWER BUFFER OUTPUT SUPPLIES 00 07 A 3 FILE PCA BLK SCH 9 24 87 AUDIBLE ALARM ABBOTT LABORATORIES HOSPITAL PRODUCTS DIVISION MV Figure 9 2 Block Diagram PCA II 9 41 DRAWING NO 247 04250 001 REV SHEET 1 OF 1 430 04502 003 Rev 4 99 Section 9 DRAWINGS This page intentionally left blank 430 04502 003 Rev 4 99 9 42 PCA Plus and Plus II
26. 1Nu148 ONS SHT 2 SHT 2 INJECTORSW VIAL 144148 CR10 ON MECHRNISM 1Nu1U8 ONSH LU 47KS UTKS ANd JuHC2uu PRESSURESR RN 2 3 215 16 16 PRESSURESH 7 PRLIM 2 gi Dg 5 2 Da C SYRLO H 01 2 SYRINGE LOSH i u SYREM 8 1183 02 5 2 PATIENT 8 03 2 SYRINGE 4 TES ENTA 11 oni Di 5 2 DOOR 9 10 boy 282 SHT 2 i SHAFT 15 D6 73 283 06 SHT 2 47K 1284 SHT 2 aio 3 8 1 26 GND Ca s I 1 TO DOORSR ci T REAR CASE ana L c29 urun gt N RN3 SHRFT SHT 2 11 6 V UN Ll 1 190K 2 LM358 4093 PRTIENTSH SRSISER SWSTSEL TO REV EHG NOTES BRCKPRNEL RUDHI 0 YES7ENTA RESISTORS IN OHMS 1 57 PRI MAINS UNLESS NOTED ous ET TO 2 CAPACITORS IN UF 287 50V R15 VN RUDLO CPU OR GREATER UNLESS NOTED 220 des GND NOT USED AUDTO My AUDIO 8 GND DISPLAY Ul 02 C1 C2 NOT USED i 820 NE 88 5 DGND PAR FOR RS 185 ONLY 6 95 50 5 FILE PCR2PS1 SCH 9 17 87 EGND DGND 5 5 l 5E 5 50 gt 50 Technical Service Manual ABBOTT LABORATORIES HOSPITAL PRODUCTS DIVISION MV Figure 9 5 Power Supply PWA Schematic PCA II 9 49 DRAWING NO 249 04212 007 SHEET 1 OF 8 430 04502 003 Rev 4 99 S
27. 430 04502 003 Rev 4 99 9 10 PCA Plus and Plus II Series Infusers 95E01015 Technical Service Manual E d ABBOTT LABORATORIES HOSPITAL PRODUCTS DIVISION MV Figure 9 1 IPB for the Infuser DRAWING NO REV N A N A SHEET 2 OF 16 9 11 430 04502 003 Rev 4 99 Section 9 DRAWINGS This page intentionally left blank 430 04502 003 Rev 4 99 9 12 PCA Plus and Plus II Series Infusers Ws M mW T Q 545 e 4 ABBOTT LABORATORIES HOSPITAL PRODUCTS DIVISION MV Figure 9 1 IPB for the Infuser DRAWING NO REV N A N A SHEET 3 OF 16 95E01016 Technical Service Manual 9 13 430 04502 003 Rev 4 99 Section 9 DRAWINGS This page intentionally left blank 430 04502 003 Rev 4 99 9 14 PCA Plus and Plus II Series Infusers 2 f ABBOTT LABORATORIES HOSPITAL PRODUCTS DIVISION MV Figure 9 1 for the Infuser DRAWING NO REV N A N A SHEET 4 OF 16 95E01001 Technical Service Manual 9 15 430 04502 003 Rev 4 99 Section 9 DRAWINGS This page intentionally left blank 430 04502 003 Rev 4 99 9 16 PCA Plus and Plus II Series Infusers Technical Service Manual ii
28. 44 45 46 Technical Service Manual 9 5 430 04502 003 Rev 4 99 Section 9 DRAWINGS Table 9 2 IPB for the Infuser Number Nomenclature Procedure W Conical Washer 430 04502 003 Rev 4 99 9 6 LifeCare PCA Plus and Plus Series Infusers 4 4 4 D 5 5 5 5 5 5 5 5 2 6 6 6 6 6 6 7 8 9 0 1 2 3 4 5 6 8 9 1 2 3 4 5 7 70 Table 9 2 IPB for the Infuser Index Replacement Number Nomenclature Procedure Screw 2 56 UNC x 1 4 Long Hex SCH As applicable Holder Spring Knob Section 7 3 23 Screw 4 40 x 375 Sockethead Cap Technical Service Manual 9 7 430 04502 003 Rev 4 99 Section 9 DRAWINGS This page intentionally left blank 430 04502 003 Rev 4 99 9 8 LifeCare PCA Plus and Plus Series Infusers D D Q E d E 3 QU pA xa IN 5 58 g Q a 4 ut 1 m id E Hy 21 SS 277 C ABBOTT LABORATORIES HOSPITAL PRODUCTS DIVISION MV Figure 9 1 IPB for the Infuser DRAWING NO REV N A N A SHEET 1 OF 16 95E01014 Technical Service Manual 9 9 430 04502 003 Rev 4 99 Section 9 DRAWINGS This page intentionally left blank
29. Infusers with final assembly number 850 04250 008 and higher require replacement of the Interconnect PWA if the patient pendant jack is defective see Section 7 3 37 Interconnect PWA Replacement The recommended tools for this procedure are as follows No 2 Phillips screwdriver 1 4 inch nutdriver 5 16 inch nutdriver 1 2 inch box wrench soldering iron and solder To replace the patient pendant jack refer to Figure 7 22 Printer Dataway Connector Control Panel Harness and Piezoelectric Alarm Replacement then proceed as follows 1 Disconnect the infuser from AC power 2 Separate the infuser front and rear case assemblies as described in Section 7 2 2 Separating Front and Rear Case Assemblies 3 Place the infuser rear case assembly on a soft surface with the interior facing up Remove the adhesive backed tie wrap clamp from the rear case 4 Remove the eight Phillips screws that attach the control panel to the rear case Remove the control panel 5 Unsolder the harness wires from the patient pendant jack 6 Using a 1 2 inch box wrench remove the nut that attaches the patient pendant jack to the control panel Remove the patient pendant jack 7 Install the replacement patient pendant jack on the control panel Using a 1 2 inch box wrench secure the jack with the retaining nut 8 Solder the wires from the harness to the patient pendant jack as follows white wire with red stripe to the ring terminal white wire with gr
30. Rev 4 99 4 16 LifeCare PCA Plus and Plus Series Infusers MECHANICS OVERVIEW SWITCH ACTUATOR NO 0 PHILLIPS SCREW OCCLUSION ALARM SWITCH SLIDE CLAMP COMPRESSION SPRING RELEASE LEVER THUMB NUT PIVOT POST LEAD SCREW LEAD SCREW gt DIRECTION OF LEAD SCREW 95F01016 Figure 4 6 Occlusion Pressure Alarm System 010 and Higher 43 4 VIAL AND INJECTOR SENSOR ALARM SYSTEM The vial sensor microswitch between the cradle assembly and slide block senses the presence or absence of a vial in the cradle assembly The injector sensor switch behind the injector flange clamp senses whether or not the vial injector flange is properly seated in the injector flange clamp when a vial is clamped in the cradle assembly When open the vial sensor switch generates the CHECK VIAL alarm 4 3 4 1 CHECK VIAL ALARM When a vial is properly seated in the cradle assembly the vial sensor rod is forced towards the rear of the infuser and presses against the vial sensor microswitch actuator arm causing the switch to close If the vial is improperly seated i e the vial sensor rod is not forced rearward and the switch remains open and the injector flange is properly seated an attempt to start the infuser causes logic circuitry on the power supply supply PWA to sense the VIALSW signal and set the ON OFF latch U14B U14C When the ON OFF latch is set the infuser is prevented from starting the audible alarm s
31. Unsolder the two wires from the vial sensor switch 7 Solder wires to the replacement switch as follows red wire to lower switch terminal common and white wire to center N O terminal 8 Replace the cradle clip removed in Step 5 9 Install the replacement vial sensor switch Mount the switch using the two screws removed in Step 4 008 and Lower Only Mount the switch bracket to the slide assembly 10 Adjust the vial sensor switch as described in Section 7 2 4 Vial Sensor Switch Adjustment as applicable 11 Re assemble the infuser case assemblies in the exact reverse order of disassembly 12 Close and lock the security door To verify replacement of the vial sensor switch perform the PVT as described in Section 5 2 7 3 23 SLIDE CLAMP KNOB AND LEVER REPLACEMENT 008 AND LOWER CAUTION Use proper ESD grounding techniques when handling components Wear an antistatic wrist strap and use an ESD protected workstation Store the PWA in an antistatic bag before placing it on any surface The recommended tools for this procedure are as follows 3 32 inch Allen wrench No 2 Phillips screwdriver 1 4 inch nutdriver and 5 16 inch nutdriver To replace the slide clamp knobs and levers refer to Figure 7 18 Location of Slide Clamp Handle Allen Screws 008 and Lower then proceed as follows Note Infusers with final assembly numbers 010 and higher do not contain slide clamp handle Allen screws l Disconnect the infus
32. in Section 5 2 LOCK WASHER DOOR LATCH PAWL LOCKING WASHER RETAINER NUT DOOR LOCK CYLINDER 4 95F01030 Figure 7 27 Door Lock Assembly 7 3 43 CHANGING THE KEY NUMBER CAUTION Use proper ESD grounding techniques when handling components Wear an antistatic wrist strap and use an ESD protected workstation Store the PWA in an antistatic bag before placing it on any surface Note This procedure is applicable only to locks with the numbers 1 through 8 engraved on the lock face Recommended tools for this procedure are as follows master key black and keys numbered 2 through 8 To change a key number proceed as follows 1 Remove the door lock cylinder as described in Section 7 3 42 Door Lock Assembly Replacement 2 Completely insert the master key black into the keylock assembly at position 1 Confirm the longer wing of the master key is positioned upward 12 o clock 3 Turn the master key clockwise to the new key number position 4 Remove the master key from the keylock assembly 5 Completely insert the new position combination key into the keylock assembly Confirm an audible click sounds Technical Service Manual 7 57 430 04502 003 Rev 4 99 Section 7 REPLACEABLE PARTS AND REPAIRS 6 To confirm the keylock is set correctly insert the key and lock then unlock the security door 7 key does not unlock the security door reinsert the master key into
33. shart 85 CPUOFF 12 C30 22K 38 SHAFT ONSH 197 13 gi T Sit 1 D2 02 55 8 1 5 03 03 1 9 LEDK 0E TE SHT Du Du 15 SHT 1 Ds DS BBWR SHT 03 25 18 meee SHT 05 gt BBRD SHT d 07 18 MOTBA 14 gt CPU 165 DISPLRY 08 26 08 01 27 pi 02 28 po 03 29 ou 305 pi 05 3i ns 06 32 ps 07 33 FILE PCR2PS2 SCH 9 17 87 ABBOTT LABORATORIES HOSPITAL PRODUCTS DIVISION MV Figure 9 5 Power Supply PWA Schematic PCAII DRAWING NO 249 04212 007 SHEET 2 OF 8 Technical Service Manual 9 51 430 04502 003 Rev 4 99 Section 9 DRAWINGS This page intentionally left blank 430 04502 003 Rev 4 99 9 52 PCA Plus and Plus II Series Infusers BRT
34. 6 Re assemble the infuser in the exact reverse order of disassembly 7 Close and lock the security door To verify successful replacement of the rear case assembly perform the PVT as described in Section 5 2 7 3 46 FRONT CASE ASSEMBLY REPLACEMENT CAUTION Use proper ESD grounding techniques when handling components Wear an antistatic wrist strap and use an ESD protected workstation Store the PWA in an antistatic bag before placing it on any surface The recommended tools for this procedure are as follows 1 4 inch nutdriver X acto knife and isopropyl alcohol To replace the front case assembly proceed as follows 1 Remove the power supply PWA as described in Section 7 3 15 Power Supply PWA Replacement and the CPU display PWA as described in Section 7 3 16 CPU Display PWA Replacement 2 Remove the slide assembly as described in Section 7 3 30 Slide Assembly Replacement 008 and Lower or Section 7 3 31 Slide Assembly Replacement 010 and Higher 3 Using a 1 4 inch nutdriver remove the four hex head screws that attach the front panel assembly to the front case Remove the front panel assembly and install on the new case assembly 4 Install the slide assembly into the new front case as described in Section 7 3 30 or Section 7 3 31 5 Re install the power supply PWA and the CPU display PWA in the exact reverse order of disassembly 6 Re assemble the infuser in the exact reverse order of disassembly To ve
35. 8 Adjust the injector sensor switch as described in Section 7 2 3 Injector Sensor Switch Adjustment 9 Re assemble the infuser in the exact reverse order of disassembly 10 Close and lock the security door To verify successful replacement of the injector sensor switch perform the PVT as described in Section 5 2 7 3 28 MOTOR ASSEMBLY REPLACEMENT 008 AND LOWER CAUTION Use proper ESD grounding techniques when handling components Wear an antistatic wrist strap and use an ESD protected workstation Store the PWA in an antistatic bag before placing it on any surface The recommended tools for this procedure are as follows 7 64 inch Allen wrench No 2 Phillips screwdriver 1 4 inch nutdriver and 5 16 inch nutdriver To replace the motor assembly refer to Figure 7 19 Motor Assembly Replacement 008 and Lower then proceed as follows Technical Service Manual 7 39 430 04502 003 Rev 4 99 Section 7 REPLACEABLE PARTS AND REPAIRS l Disconnect the infuser from AC power 2 Separate the infuser front and rear case assemblies as described in Section 7 2 2 Separating Front and Rear Case Assemblies 3 Remove the slide clamp knobs levers as described in Section 7 3 23 Slide Clamp Knob and Lever Replacement 008 and Lower 4 Remove the cradle assembly as described in Section 7 3 21 Cradle Assembly Replacement 5 Remove the slide assembly as described in Section 7 3 30 Slide Assembly Replacement 008 and Lower
36. 99 7 50 LifeCare PCA Plus and Plus Series Infusers REPLACEMENT PROCEDURES 7 3 37 INTERCONNECT PWA REPLACEMENT CAUTION Use proper ESD grounding techniques when handling components Wear an antistatic wrist strap and use an ESD protected workstation Store the PWA in an antistatic bag before placing it on any surface This procedure applies to infusers with final assembly number 850 04250 008 and higher The recommended tools for this procedure are as follows No 2 Phillips screwdriver 1 4 inch nutdriver 5 16 inch nutdriver wire cutters wire strippers soldering iron solder and approximately one inch of 1 8 inch shrink tubing To replace the interconnect PWA refer to Figure 7 23 Interconnect PWA and Battery Boost Charger PWA Replacement then proceed as follows 1 Disconnect the infuser from AC power 2 Separate the infuser front and rear case assemblies as described in Section 7 2 2 Separating Front and Rear Case Assemblies 3 Disconnect the interconnect PWA cable from J10 the interconnect PWA and J8 on the power supply PWA 4 Using a 5 16 inch nutdriver remove the nut that attaches the green ground wire to the control panel 5 Using wire cutters cut the two wires that connect the door lock switch to the interconnect PWA Cut the wires between the interconnect PWA and the cable clamps mounted to the rear case 6 Remove the eight Phillips screws that attach the control panel and interconnect PWA to the rear
37. AUDMED 2 2 VIALSH VIALSN SDB 21 SDB AUDMED INJECTORSH INJECTORSH RISA 19 2 RSTA AUDIBLE LEVEL J2 P2 GND GND RISB 20 RSTB SDCOM 18 55 SDCOM GND GND 5 GND GND oe PATIENT PENDENT BLK BLK AUDHI 12 E AUDMED n 8 AUDLO 14 BATTERY PATIENTSW 16 3 AUDIO 10 AUDIO BLK RED 1 V UN 3 AUDIBLE ALARM DOORSW 26 2 ACI GND 25 SPARE 27 4 V UN 25 BED TEES GRN YEL of BACK DOOR SWITCH N o BLK RED RC YELLOW GREEN ABBOTT LABORATORIES GRAY HOSPITAL PRODUCTS DIVISION MV 247018 BAT o BROWN RETIREE BLUE Figure 9 3 Interconnect Schematic PCA II WIRED DRAWING NO REV E 249 04250 002 SHEET 2 OF 2 Technical Service Manual 9 45 430 04502 003 Rev 4 99 Section 9 DRAWINGS This page intentionally left blank 430 04502 003 Rev 4 99 9 46 PCA Plus and Plus II Series Infusers RNY 412
38. Adjustment 010 and Higher 7 16 Test 7 13 Test and Adjustment 7 12 Occlusion Alarm Test Setup 7 14 Occlusion Pressure Alarm System 4 15 Switch Replacement 7 38 Occlusion Test 5 7 On Off Latch 4 8 Operating Manual System 3 1 Operation AC 4 10 DC 4 10 Starting 4 1 Theory of 4 1 LifeCare PCA Plus and Plus II Series Infusers Overview Alarm and Display Message 6 2 Electronics 4 3 Mechanics 4 10 P Parts Replaceable List 7 1 Replaceable Repairs and 7 1 Patient Control Jack Test 5 9 Patient Controlled Analgesia 4 2 Patient Pendant Assembly Test 5 9 Control Cable Replacement 7 26 Jack Replacement 7 49 PCA 4 2 Continuous Test 5 8 Performance Verification Test 5 3 Piezoelectric Alarm Replacement 7 48 Pole Clamp Assembly Replacement 7 24 Power Supply PWA 4 7 Replacement 7 28 System Interfaces 4 8 Precautions Safety and Equipment 7 20 Preventive Maintenance 5 1 Printer Dataway Connector Control Panel Harness and Piezoelectric Alarm Replacement 7 47 Printer Data Latch 4 8 Printer Test 5 11 Printer Dataway Connector Replacement 7 46 Procedures Adjustment 7 3 Instrument Installation 1 5 Replacement 7 20 Product Introduction 1 1 Programmable Peripheral Interface 8255 4 9 PVT Data Form 5 13 Troubleshooting 6 8 PWA Battery Boost Charger 4 9 Battery Boost Charger Replacement 7 53 CPU Display 4 3 CPU Display Replacement 7 29 CPU Display System Inte
39. Curse 2 11 5 c ZVN2106A 8265586 N T 17 33 Zina 8 PC2 2 2K BUSY 4070 2 A os TI C28 PC3 d LOBRT lt 2K ScD EE DISBHT mA res HR R29 lt R2 RI ES 75 20 EI zwn2tasa ane a HO 47K 10K 470 Bes gt RTSB 5 18 5 INI 053695 lc 5 RNG Sr IRL 1 21 070 at KC oo 1 UR 1 8 508 t H EC SHT bid vce 15 SHT 1 ON dRE yo 23 spa zww2186n SHT 1 im toe uL 5 M3 4 4 5 553595 10 77 0 NN 7 SDCON U15C g 100K 8 m RNG A DO 3 2 BITO IL 15 5 M0T03 18 07 T 20 2 BITI 2 a B 9 e 02 BIT2 03 4018 5 SEE NOTE J7 4981 C27 m D ul QUIE rity ng i _4 a gt MOTOR 8D 80 06 17 16 BITS 1 RN9 07 18 00 18 18 c31 R30 12 20501 vec 20 T 5 8 17 2 209 3 38 u 3 13 JOK LPRNTR 190E CND gt ELON yot2 7 1 To C13 24 4070 12 RNG 74HC373 4 BUSY sur d i MOTOU 0170 ml KH 56 RST aad JA 2 5REF i 23 mir E m zvnateea SHT 1 CPUUFF R31 MGND SHT 1 ONSH 220K 2 L i PRNTOUT 12 352 SHT OFFS 85 iron NOTBAD 13 1 356 20 5 2 SREF di R26 ELE
40. Disconnect the infuser from AC power 2 Separate the infuser front and rear case assemblies as described in Section 7 2 2 Separating Front and Rear Case Assemblies 3 Place the infuser rear case assembly on a soft surface with the interior facing up Remove the adhesive backed tie wrap clamp from the rear case 4 Remove the eight Phillips screws that attach the control panel to the rear case Remove the control panel 5 Unsolder the harness wires from the audible level switch terminals 6 Using a 5 16 inch nutdriver remove the nut that attaches the audible level switch to the control panel 7 Install the replacement audible level switch in the control panel Using a 1 2 inch box wrench secure the switch with the retaining nut 8 Solder the wires from the harness to the audible level switch as follows white wire with orange stripe to the upper terminal white wire with black stripe to the center terminal white wire with brown stripe to the lower terminal 9 Remount the control panel on the rear case with the eight Phillips screws removed in Step 4 10 Replace the adhesive backed tie wrap clamp on the inside of the rear case use care to place it in the same location 11 Re assemble the infuser case assemblies in the exact reverse order of disassembly 12 Close and lock the security door To verify successful replacement of the audible level switch perform the PVT as described in Section 5 2 430 04502 003 Rev 4
41. Figure 4 2 Infuser Slide Assembly 010 and Higher 95 01009 4 3 1 1 MOTOR ASSEMBLY The motor assembly consists of a four phase stepper motor housed in the motor case see Figure 4 1 Infuser Slide Assembly 008 and Lower The motor case attaches to the gearbox The gearbox consists of reduction gears that provide a 50 to 1 reduction in the rotation of the motor shaft The reduction gears drive the lead screw Fifty revolutions of the motor produce one revolution of the lead screw The stepper motor receives its commands 1 MOTO2 and MOTO4 from motor drivers on the power supply PWA 1 MOTO2 and 4 commands are issued by the PPI U7 under control of the microprocessor on the CPU display PWA 430 04502 003 Rev 4 99 4 12 LifeCare PCA Plus and Plus Series Infusers MECHANICS OVERVIEW Data buffer U4 on the CPU display PWA inputs signals from the touchswitches on the infuser front panel The touchswitch signals represent delivery data placed on the microprocessor data bus by U4 DO through D7 when U4 is gated by the ANDed product of the bus read command BRD and chip select signal CS6 Digitized delivery data is interpreted by the microprocessor according to the program in EPROM The data provides the stepper motor commands for the delivery data set up by the touchswitches A reduced diameter extension of the gear box shaft protrudes through the bottom of the gearbox
42. LIST 7 2 ADJUSTMENT PROCEDURES 721 REQUIRED TOOLS AND MATERIALS 722 SEPARATING FRONT AND REAR CASE ASSEMBLIES 7 2 3 INJECTOR SENSOR SWITCH ADJUSTMENT 7 2 4 VIAL SENSOR SWITCH ADJUSTMENT 7 2 5 SYRINGE LOW SWITCH ADJUSTMENT PCA PLUS ONLY m 7 2 6 SYRINGE EMPTY SWITCH ADJUSTMENT Boyce xoxo s 7 10 7 2 7 OCCLUSION ALARM SWITCH TEST AND ADJUSTMENT WERE 7 2 7 1 MODIFYING THE SYRINGE 242 9 7 12 Md NN NN 1 ON Hi 00 EE 430 04502 003 Rev 4 99 iv LifeCare PCA Plus and Plus Series Infusers 7 2 8 7 2 9 7 2 10 7 2 11 7 2 7 2 OCCLUSION ALARM SWITCH TEST e 7 2 7 3 OCCLUSION ALARM SWITCH AND PRESSURE ADJUSTMENT 008 AND LOWER 7 2 74 OCCLUSION ALARM SWITCH AND PRESSURE ADJUSTMENT 010 AND HIGHER LCD INTENSITY ADJUSTMENT SETTING THE REAL TIME CLOCK PCA PLUS m DOOR LOCK SWITCH ADJUSTMENT LEAD SCREW LUBRICATION 7 5 REPLACEMENT PROCEDURES 7 3 1 7 3 2 7 3 3 7 3 4 7 3 5 7 3 6 7 3 7 7 3 8 7 3 9 7 3 10 7 3 11 7 3 12 7 3 13 7 3 14 7 3 15 7 3 16 7 3 17 7 3 18 7 3 19 7 3 20 7 3 21 7 3 22 7 3 23 7 3 24 7 3 25 7 3 26 7 3 27 7 3 28 7 3 29 7 3 30 7 3 31 7 3 32 7 3 33 7 3 34 7 3 35 7 3 36 7 3 37 7 3 38 7 3 39 7 3 40 7 3 41 7 3 42 7 3 43 7 3 44 7 3 45 SAFETY AND EQUIPMENT PRECAUTIONS REQUIRED TOOLS AND MATERIALS SEPARATING FRONT AND REAR CASE ASSEMBLIES FOR REPLACEMENT PROCEDURES BATTERY PACK COVER REPLACEMENT BATT
43. LL Section 1 INTRODUCTION The LifeCare PCA Plus and Plus II Series Infusers herein referred to as the infuser provide analgesic delivery to patients through the intravenous or epidural routes in a wide range of clinical settings E SCOPE This manual is organized into 11 sections as follows Section 1 Introduction Section 2 Warranty Section System Operating Manual Section 4 Theory of Operation Section 5 Maintenance and Service Tests Section 6 Troubleshooting Section 7 Replaceable Parts and Repairs Section 8 Specifications Section 9 Drawings Section 10 Index L D D D D D D o LL Technical Service Bulletins If a problem in the infuser operation cannot be resolved using the information in this manual contact Abbott Laboratories Technical Support Operations see Section 6 1 Technical Assistance The system operating manual contains specific instructions for operating the infuser Provision is made for inclusion of the system operating manual in Section 3 of this manual Note Figures are rendered as graphic representations to approximate the actual product therefore figures may not exactly reflect the product Display screens and touchswitch labels may vary slightly depending on the configuration of the infuser in use Technical Service Manual 1 1 430 04502 003 Rev 4 99 Section 1 INTRODUCTION 1 2 CONVENTIONS The conventions listed in Table 1 1 Conventions are used throughout this manua
44. Power Supply PWA CPU Display PWA then proceed as follows 1 Disconnect the infuser from AC power 2 Separate the infuser front and rear case assemblies as described in Section 7 2 2 Separating Front and Rear Case Assemblies Technical Service Manual 7 31 430 04502 003 Rev 4 99 Section 7 REPLACEABLE PARTS AND REPAIRS 3 Remove the power supply PWA as described in Section 7 3 15 Power Supply PWA Replacement and the CPU display PWA as described in Section 7 3 16 CPU Display PWA Replacement 4 Remove the 40 pin ribbon cable from J7 on the power supply PWA and J12 on the CPU display PWA install the replacement 40 pin ribbon cable Note Connectors are keyed for pin 1 5 Re install the power supply PWA and the CPU display PWA 6 Re assemble the infuser case assemblies in the exact reverse order of disassembly 7 Close and lock the security door To verify successful replacement of the 40 pin ribbon cable perform the PVT as described in Section 5 2 7 3 20 15 CONDUCTOR DIAGNOSTIC CABLE REPLACEMENT CAUTION Use proper ESD grounding techniques when handling components Wear an antistatic wrist strap and use an ESD protected workstation Store the PWA in an antistatic bag before placing it on any surface The recommended tools for this procedure are as follows No 2 Phillips screwdriver 1 4 inch nutdriver 3 16 inch nutdriver 5 16 inch nutdriver 1 4 inch open end wrench and Allen wrenches To replace th
45. Press the YES ENTER touchswitch then press PRINT to print out the event log or press SILENCE to continue to the malfunction log screen The diagnostic mode event log lists the last 200 events The malfunction log lists the last 200 malfunction codes see Figure 6 1 Sample Event Log and Malfunction Log kkkkkkkkkkkkkkkkkkkk DIAGNOSTIC MODE kkkkkkkkkkkkkkkkkkkk S W VERSION 3 13 ELAPSE DAYS 0 PM 12 01 NOV 12 94 kkkkkkkkkkkkkkxk EVENT LOG KEKKKEKKEKKKEKKEKEK AM 08 28 OFF 09 19 4 HR LIMIT NOT SELECTED AM 09 19 LOCKOUT 5 MIN AM 09 19 PCA DOSE 5 0 MG NOV 07 94 NEM DATE PM 12 16 OFF PM 12 15 CHK SYR ALM kkkkkkkkkkkkkkkkkkkk DIAGNOSTIC MODE kkkkkkkkkkkkkkkkkkkk S W VERSION 3 13 ELAPSE DAYS 0 PM 12 06 NOV 12 94 kkkkkkkkkkkkkkk MALFUNCTION LOG kkkkkkkkkkkkkkxk ML MALF 1A ML 9 14 MALF 2B ML 9 1 MALF 3A 09 9 MALF kkkkkkkkkkkkkkkkkkkk VERIFIED BY kkkkkkkkkkkkkkkkkkkk PM 12 15 INJECTR ALM PM 12 14 CHK SYR ALM PM 12 14 VIAL ALM END OF RECORD kkkkkkkkkkkkkkkkkkkk VERIFIED BY kkkkkkkkkkkkkkkkkkkk kkkkkkkkkkkkkkkkkkkk END OF RECORD 95F01011 Figure 6 1 Sample Event Log and Malfunction Log 6 3 ALARM AND DISPLAY MESSAGE OVERVIEW Under most alarm conditions the infuser stops operating generates an audible alarm and displays an alarm message on t
46. SHEET 8 OF 16 9 23 430 04502 003 Rev 4 99 Section 9 DRAWINGS This page intentionally left blank 430 04502 003 Rev 4 99 9 24 PCA Plus and Plus II Series Infusers Technical Service Manual 95 01008 ABBOTT LABORATORIES HOSPITAL PRODUCTS DIVISION MV Figure 9 1 IPB for the Infuser DRAWING NO REV N A N A SHEET 9 OF 16 9 25 430 04502 003 Rev 4 99 Section 9 DRAWINGS This page intentionally left blank 430 04502 003 Rev 4 99 9 26 PCA Plus and Plus II Series Infusers Technical Service Manual 95E01005 ABBOTT LABORATORIES HOSPITAL PRODUCTS DIVISION MV Figure 9 1 IPB for the Infuser 9 27 REV N A DRAWING NO SHEET 10 OF 16 N A 430 04502 003 Rev 4 99 Section 9 DRAWINGS This page intentionally left blank 430 04502 003 Rev 4 99 9 28 PCA Plus and Plus II Series Infusers ABBOTT LABORATORIES HOSPITAL PRODUCTS DIVISION MV Figure 9 1 IPB for the Infuser REV N A DRAWING NO SHEET 11 OF 16 N A 95E010
47. Section 4 THEORY OF OPERATION 4 1 4 2 4 3 GENERALFUNCTIONS 4 11 STARTING OPERATION 4 1 1 1 WARM START SEQUENCE 4 1 1 2 COLD START SEQUENCE 412 SETUP i ou 8 4 13 DELIVERY MECHANISM 414 PATIENT CONTROLLED ANALGESIA PCA 4 1 5 STATUS MESSAGES ELECTRONICS OVERVIEW 4 21 CPU DISPLAY 4 211 CPU DISPLAY SYSTEM INTERFACES 4 21 2 MICROPROCESSOR CIRCUITRY 4 2 13 CHIP SELECT CIRCUITRY 4 2 14 ANALOG TO DIGITAL CONVERTER ADC 4 2 1 5 LCD DISPLAY INTERFACE 4 2 1 6 LED DISPLAY CIRCUIT 4 2 1 7 WATCHDOG CIRCUIT 4 2 2 POWER SUPPLY PWA 4 2 2 1 POWER SUPPLY PWA SYSTEM INTERFACES 4 2 2 2 UNREGULATED DC VOLTAGE 4 2 2 3 ON OFF LATCH 4 2 2 4 PRINTER DATA LATCH 42 25 MOTORDRIVER 4 2 2 0 8255 PROGRAMMABLE PERIPHERAL INTERFACE 4 2 3 BATTERY BOOST CHARGER PWA 4 2 3 1 AC OPERATION 4 2 3 DC OPERATION MECHANICS OVERVIEW 4 31 SLIDE ASSEMBLY 4 311 MOTOR ASSEMBLY 4 31 2 SLIDE MECHANISM Technical Service Manual iii 1 PPP EPP KEP KP gt gt gt gt KP gt gt gt gt gt gt gt 1 GO UI UI i Q Q 2 32 RS RES ES E 430 04502 003 Rev 4 99 Contents 4 3 1 3 CRADLE ASSEMBLY vog E Go 432 SYRINGE LOW AND SYRINGE EMPTY ALARM SYSTEM 4 13 43 3 OCCLUSION PRESSURE ALARM SYSTEM 4 1
48. Series Infusers VIAL INSTALLED 2 P6 Je POWER SUPPLY 5 1 GND 2 VIALS PRESSURE LIMIT W SYRINGE LOW 41 5 5 2 lt PRESSURESW SYRINGE EMPTY 3 SYRINGE LOSH 9 4 SYRINGE 1 INJECTORSW 6 GND INJECTOR INSTALLED CND Pb J5 BLU WHT RED 2 BLK 5 BLK WHT 2 B 6 5 BRN 3 lt al 9 SHAFT MOTOR 7 LEDK DETE we DATAWAY SHAFT L M SENSOR IVA 4 h 4 J11 J9 P9 AS d 1 PARITY DEFAULT BAT 2 2 3 PRINT 1g 4 i 5 OFFSW ole 8 lt AUDHI 9 EST PORT PATIENTSW d 16 PATIENTS DOORSW 11 DOORSW SYRINGE EMPTYSW 1 12 lt SYRINGE EMPTYSW SYRINGE LOSW 15 13 SYRINGE LOSW PRESSURESW e T1 14 PRESSURESW VIALSW 4 6 VIALSW INJECTORSM 5 7 INJ CTORSN GND 15 GND Je RED RED ii BLK BATTERY 2 BLK P 3 cum T BLK RED j J F1 2 lt 3 AC IN GRN YEL RED F Technical Service Manual YES ENTR REV CHG 2 5REF MAINS AUDIO AUDMED AUDLO PATIENTSW AUDIO
49. an antistatic wrist strap and use an ESD protected workstation Store the PWA in an antistatic bag before placing it on any surface This procedure applies to infusers with final assembly numbers 850 04250 002 through 007 Infusers with final assembly number 850 04250 008 and higher require replacement of the Interconnect PWA if the piezoelectric alarm is defective see Section 7 3 37 Interconnect PWA Replacement The recommended tools for this procedure are as follows No 2 Phillips screwdriver 1 4 inch nutdriver 5 16 inch nutdriver wire cutters soldering iron solder 1 8 inch shrink tubing and small tie wrap To replace the piezoelectric alarm refer to Figure 7 22 Printer Dataway Connector Control Panel Harness and Piezoelectric Alarm Replacement then proceed as follows l Disconnect the infuser from AC power 2 Separate the infuser front and rear case assemblies as described in Section 7 2 2 Separating Front and Rear Case Assemblies 3 Using a 3 16 inch nutdriver remove the screws that attach the piezoelectric alarm to the control panel The longer of the two screws is used in the upper mounting hole to accommodate the plastic cable clip 4 Cut the cable tie nearest to the piezoelectric alarm on the wire harness Note that the piezoelectric alarm has a black wire and a red wire The red wire connects to the gray wire on the wire harness the black wire connects to the white wire on the wire harness Remove the shrink wr
50. attempt is made to start the infuser under these conditions logic circuitry on the power supply supply PWA senses the status of the INJECTORSW signal and sets the ON OFF latch U14B U14C When the ON OFF latch is set the infuser is prevented from starting the audible alarm sounds and the CHECK SYRINGE message is displayed on the LCD The SILENCE touchswitch has no effect on this alarm the alarm is cleared by installing a syringe so that the vial is properly seated in the cradle assembly and the injector flange is properly seated in the injector flange clamp 4 4 BATTERY OPERATION OVERVIEW The infuser is intended to operate on battery power on an exception basis only such as emergency backup or temporary portable operation Examples of emergency backup include AC power failure or inadvertent disconnection of the AC power cord Temporary portable operation includes patient transfer from one location to another The infuser should be connected to AC power whenever possible to allow the battery to remain fully charged The battery indicator illuminates when the infuser is operating on battery power Factors that most commonly affect battery life are the depth and frequency of discharge and the length of the recharge period As a general rule the more often the battery is discharged and recharged the sooner it will need replacement The primary cause of damage is leaving the battery in a less than fully charged state for any period of tim
51. case Remove the control panel and interconnect PWA 7 Install the replacement control panel and interconnect PWA using the eight Phillips screws removed in Step 6 8 Using wire strippers strip approximately 1 2 inch of insulation from the two wires that connect the door lock switch to the interconnect PWA 9 Slip one inch of 1 8 inch shrink tubing over the door lock switch wires Solder the wires to the corresponding wires on the interconnect PWA Slip the shrink tubing over the solder joint and shrink in place 10 Attach the green ground wire removed in Step 4 Connect the ribbon cable disconnected in Step 3 11 Re assemble the infuser case assemblies in the exact reverse order of disassembly 12 Close and lock the security door To verify successful replacement of the interconnect PWA perform the PVT as described in Section 5 2 Technical Service Manual 7 51 430 04502 003 Rev 4 99 Section 7 REPLACEABLE PARTS AND REPAIRS GROUND WIRE 6 32 SCREW 2 PHILLIPS SCREW 8 INTERCONNECT 91 92 INTERCONNECT PWA CABLE 7 3 38 BATTERY BOOST CHARGER PWA DOOR SWITCH 95F01007 Figure 7 23 Interconnect PWA and Battery Boost Charger PWA Replacement INTERCONNECT PWA CABLE REPLACEMENT CAUTION Use proper ESD grounding techniques when handling components Wear an antistatic wrist strap and use an ESD protected workstation Store the PWA in an antistatic bag before placing it on any surface This p
52. continuous mode delivery 2 Verify that three asterisks appear in the upper left corner indicating PCA dosing available 3 Verify a beep occurs and PCA CONTINUOUS is displayed when the pendant is pressed 4 Approximately two minutes after pressing the patient pendant verify that 4 HR LIM REACHED is displayed KVO rate begins and TOTAL DELIVERED display reads 2 5 mg 5 Verify that after pressing patient pendant three more times there is no response from the infuser 6 Verify that by pulling the syringe vial away from the holder a check vial alarm occurs 7 Verify that by pulling the syringe injector away from the injector holder the check injector alarm occurs Technical Service Manual 5 13 PVT DATA FORM Pass Fai Pass Fail Pass Fail Pass Fail__ Pass Fai Pass Pass Fai Pass Fail Pass Fail__ Pass Pass Fai Pass Fai Pass Fail Pass Fail __ Pass Fail Pass Fail Pass Fail Pass Fail Pass Fail__ Pass Fail Pass 430 04502 003 Rev 4 99 Section 5 MAINTENANCE AND SERVICE TESTS Patient Control Jack Test l Verify that the patient control input measures greater than or Pass Fail__ equal to 4 50 VDC Patient Pendant Assembly Test 1 Connect DMM to patient pendant phone plug connections Set Pass DMM to measure continuity Press and hold the patient pendant switch and verify the DMM displays continuity 2 Press and hold the patient
53. display 4 2 1 7 WATCHDOG CIRCUIT The watchdog circuit consists of the dual one shot at U15 and the two NAND gates from 016 that form a set reset flip flop The one shot is periodically triggered by U11 as part of its firmware program Before the one shot times out and causes the flip flop to set the MALF line U11 must activate RWAT which resets the flip flop and prevents it from activating MALF The watchdog circuit assures that the firmware contains the correct code and that U11 is executing code The watchdog circuit also assures that U11 is the correct length and that the real time clock which sets U11 to activate RWAT is keeping correct time and can be accessed by U11 4 2 2 POWER SUPPLY PWA For schematics of the power supply PWA see Figure 9 5 Power Supply PWA Schematic PCA The power supply PWA contains the following Power supply circuitry that converts the low voltage 11 to 17 VAC from the line transformer to regulated DC Battery charging and monitoring circuitry that keeps the battery at full charge and provides the LOW BATT alarm 8255 programmable peripheral interface PPI U7 that contains three 8 bit I O ports to allow U11 to control the motor read data from and send data to the printer port and read the state of the switches Set reset flip flop ON OFF latch U14B U14C that monitors state of the vial and injector switches and the ON touchswitch to control power to the logic circ
54. from AC power 2 Separate the infuser case assemblies as described in Section 7 2 2 Separating Front and Rear Case Assemblies 3 Using Electro Wash 2000 or isopropyl alcohol and a small brush or cotton swabs remove all old grease and residue from the lead screw Note Isopropyl alcohol may be substituted for Electro Wash 2000 however if using isopropyl alcohol use extra care to assure that all residual lubricant is removed 4 Apply a thin coating of grease and work it into the threads along the length of the shaft Do not fill the threads Move the slide clamp as necessary to clean and lubricate the length of the lead screw 5 Re assemble the infuser case assemblies in the exact reverse order of disassembly To verify successful lead screw lubrication perform the PVT as described in Section 5 2 i REPLACEMENT PROCEDURES This section contains safety and equipment precautions required tools and materials and step by step replacement procedures for the infuser Unless otherwise stated always perform the PVT after replacement procedures 7 34 SAFETY AND EQUIPMENT PRECAUTIONS Before opening the front enclosure of the infuser take all necessary precautions for working on high voltage equipment WARNING UNLESS OTHERWISE INDICATED DISCONNECT THE INFUSER FROM AC POWER BEFORE PERFORMING ANY REPLACEMENT PROCEDURE 430 04502 003 Rev 4 99 7 20 LifeCare PCA Plus and Plus Series Infusers REPLACEMENT PROCEDURES
55. from the cradle Clear all dose history data from memory by holding down the OFF RECHG touchswitch until the LCD screen including the backlighted grid goes blank 52 8 PATIENT CONTROL JACK TEST To perform the patient control jack test proceed as follows 1 Disconnect the patient pendant cable from the patient control jack on the back of the infuser 2 Connect the test cable phone jack to the patient control connector connect the leads on the other end of the cable to the terminals of the DMM as appropriate Set the DMM to 10 volt DC scale 3 Turn on the infuser and verify a DMM reading of greater than or equal to 4 5 VDC Remove the test cable from the infuser 52 9 PATIENT PENDANT ASSEMBLY TEST To perform the patient pendant assembly test proceed as follows 1 Disconnect the patient pendant from the patient control jack the back of the infuser 2 Unscrew the shield from the patient pendant phono plug 3 Set the DMM to measure continuity then attach a DMM test lead to each patient pendant phone plug connection polarity is not critical 4 Press and hold the patient pendant switch Verify the DMM displays continuity ohm and the continuity beeper sounds Note A value of up to 3 ohms may be indicated due to patient pendant cable assembly internal resistance 5 Press and hold the patient pendant switch Grasp the patient pendant cable approximately 4 inches 10 above the patient pendant switc
56. from the printer Compare the printout to Figure 5 2 Sample Printer Test Date time and parameters will vary Depending on the infuser configuration or the software revision level the printout may not have an HOUR BY HOUR entry Technical Service Manual 5 11 430 04502 003 Rev 4 99 Section 5 MAINTENANCE AND SERVICE TESTS KKK KK KK ck ck ckck ck m LIFECARE 4100 PATIENT RECORD KR KKK KKK KK ck ck ck ck ck KK KKK PATIENT NAME PATIENT ID DRUG ADMINISTERED 10 41 NOV 17 94 MODE NOT SET SETTINGS CONC NOT SET DELIVERED LOADING 0 0 MG TOTAL 0 0 MG LAST 1 HOUR PCA DEMANDS 0 PCA INJECTED 0 PCA PARTIAL 0 LOADING 0 0 MG DOSE DEL 0 0 MG TOTAL 0 0 MG LAST 24 HOURS PCA DEMANDS 0 PCA INJECTED 0 PCA PARTIAL 0 LOADING 0 0 MG DOSE DEL 0 0 MG TOTAL 0 0 MG HOUR BY HOUR EVENT LOG 10 41 PRINTOUT 10 41 ON KOR KK KK KK KK KK KK ck ckckckckckok VERIFIED BY KR RK ckckckckckckok KOR KK KK END OF RECORD KKK ckck ck ck ckck ck Figure 5 2 Sample Printer Test 5 2 13 END OF PERFORMANCE VERIFICATION TEST At the end of the PVT clear all dose history data from memory by holding down the OFF RECHG touchswitch until the display goes blank Ifall tests have been successful return the infuser to service If any ofthe tests fail refer to the troubleshooting information in Section 6 Troubleshooting or con
57. infuser from AC power 2 Separate the infuser front and rear case assemblies as described in Section 7 2 2 Separating Front and Rear Case Assemblies 3 Remove the door lock switch from the door lock assembly as described in Section 7 3 41 Door Lock Switch Replacement 4 Using a 7 16 inch box wrench remove the nut from the end of the door lock cylinder Remove the lock washer the door latch pawl and the locking washer 5 Using a 7 8 inch open end wrench remove the retainer nut that attaches the lock cylinder to the door lock assembly Remove the lock cylinder then remove the door lock assembly from the rear case 6 Install the new door lock cylinder into the double D hole in the cover and door lock assembly Confirm the keyway slot is in the upward 12 o clock position 430 04502 003 Rev 4 99 7 56 LifeCare PCA Plus and Plus Series Infusers REPLACEMENT PROCEDURES 7 Assemble the retainer nut on the door lock cylinder and tighten it against the door lock assembly Replace the locking washer latch pawl lock washer and nut on the door lock cylinder Confirm the latch pawl hook is in the upward position 8 Attach the replacement door lock assembly to the rear case in the exact reverse order of disassembly 9 Re assemble the infuser case assemblies in the exact reverse order of disassembly 10 Close and lock the security door To verify successful replacement of the door lock assembly perform the PVT as described
58. input to the ON OFF latch consisting of U14B and U14C The OFFSW line is routed to the test port via connector P J9 pin 8 The LCD screen interfaces with the CPU display PWA via P J15 and P J14 AC power from the DC to AC converter U17 is supplied to the LCD screen via P J15 The LCD screen also receives addresses AO and 1 and data bits DO through D7 via P J14 for display control The primary interface between the CPU display PWA and the power supply PWA interface is through the power supply PWA connector P J12 on the CPU display PWA which connects via a ribbon cable with connector P J7 on the power supply PWA The CPU display PWA interface consists of address lines 1 and A2 data lines DO through D7 5 VDC power 2 5 VDC reference voltage and various signals 430 04502 003 Rev 4 99 4 4 LifeCare PCA Plus and Plus Series Infusers ELECTRONICS OVERVIEW 4 2 1 2 MICROPROCESSOR CIRCUITRY The microprocessor circuitry consists of the following 8032 single chip CPU U11 10 2 crystal oscillator Y1 Bus transceiver U12 Transparent latch U13 8K x 8 RAM chip U21 1 32K x 8 EPROM chip U22 U11 the 8032 single chip CPU controls all functions of the infuser U11 has internal RAM for the program stack and for storage of temporary variables U11 uses a multiplexed 16 bit address bus an 8 bit data bus and a built in 8 bit I O port Oeeaeet The microprocessor is clocked by Y1 a parallel resonant 10 MHz crystal o
59. line fuses F1 and F2 to the primary of the power transformer 1 Low level alternating current AC from the secondary of is applied to a rectifier CR14 on the power supply PWA direct current DC output of CR14 connects to the battery input and battery charger circuitry on the power supply PWA The power supply PWA provides 5 VDC logic power drivers for the drive motor power to the audible alarm access to test points throughout the system through a test port and a printer Dataway port 4 2 1 CPU DISPLAY PWA For a schematic of the CPU display PWA see Figure 9 4 CPU PWA Schematic LC 4100 4200 The CPU Display PWA contains the following 8032 single chip microprocessor containing read only memory random access memory RAM an 8 bit input output I O port two timer circuits 64K addressing capability and an 8 bit data bus Technical Service Manual 4 3 430 04502 003 Rev 4 99 Section 4 ELECTRONICS OVERVIEW 32K erasable programmable read only memory EPROM for firmware program storage including all CPU firmware 8K static RAM mounted in a socket that contains a real time clock chip that can be read from and written to by the 8032 microprocessor battery in the socket supplies power to the real time clock when logic power is turned off Watchdog circuit that sounds an alarm if the 8032 microprocessor does not execute a code as designed or does not start up properly DC to AC c
60. of Calgon Vestal Laboratories Formula C is a trademark of Diversey Corporation X acto is a registered trademark of Hunt Mfg Bio Tek is a registered trademark of Bio Tek Instruments Inc Dynatech Nevada is a registered trademark of Dynatek Nevada Inc Fluke is a registered trademark of John Fluke Manufacturing Company Inc Braycote is a registered trademark of Castrol Inc Velcro is a registered trademark of Velcro USA Inc Dow Corning is a registered trademark of Dow Corning Corp Electro Wash is a registered trademark of Chemtronics Inc use of NRTL C adjacent to the CSA mark indicates that the product has been certified by CSA to U S and Canadian standards CSA has been accredited eL by the U S Occupational Safety and Health Administration OSHA as a Nationally Recognized Test Laboratory NRTL CSA is a registered trademark of the Canadian Standards Association The Attention consult accompanying documents IEC 601 1 1 Classification Class 1 Type CF Drip Proof Medical Equipment Printed in USA Abbott Laboratories North Chicago 2 Illinois 60064 USA Technical Service Manual 430 04502 003 END Rev 4 99
61. page intentionally left blank 430 04502 003 Rev 4 99 9 36 PCA Plus and Plus II Series Infusers 95 01009 Technical Service Manual 1 1 l 3 Figure 9 1 IPB for the Infuser ABBOTT LABORATORIES 84 HOSPITAL PRODUCTS DIVISION MV REV N A DRAWING NO SHEET 15 OF 16 N A 9 37 430 04502 003 Rev 4 99 Section 9 DRAWINGS This page intentionally left blank 430 04502 003 Rev 4 99 9 38 PCA Plus and Plus II Series Infusers Technical Service Manual 95E01013 50 ABBOTT LABORATORIES HOSPITAL PRODUCTS DIVISION MV Figure 9 1 IPB for the Infuser REV N A DRAWING NO SHEET 16 OF 16 N A 9 39 430 04502 003 Rev 4 99 Section 9 DRAWINGS This page intentionally left blank 430 04502 003 Rev 4 99 9 40 PCA Plus and Plus II Series Infusers Technical Service Manual FRONT PANEL SWITCHES PRESSURE LIMIT SWITCH CSE INPUT BUFFER 00 07 CSO INPUT BUFFER p 00 07 SYRINGE LOW SWITCH SYRINGE EMPTY SWITCH MOTOR MONITOR PATIENT PENDANT POWER CONTROL MOTOR SHAFT SENSOR DOOR SWITCH BATTERY MONITOR
62. see Section 7 3 25 Replace power supply PWA see Section 7 3 15 Replace CPU display PWA see Section 7 3 16 Replace CPU display PWA see Section 7 3 16 Verify software is 3 1 or higher 430 04502 003 Rev 4 99 Section 6 TROUBLESHOOTING Table 6 3 Troubleshooting with the PVT PVT Test Failure Possible Cause Corrective Action Delivery accuracy test Section 5 2 5 Occlusion test Section 5 2 6 PCA continuous test Section 5 2 7 Patient control jack test Section 5 2 8 Patient pendant assembly test Section 5 2 9 430 04502 003 Rev 4 99 PCA set not primed properly Defective power supply PWA Defective motor assembly Syringe not modified properly Set not installed or primed properly Occlusion pressure switch out of adjustment or defective Defective power supply PWA Set not installed or not primed properly Infuser not set up properly Loose connection Defective interconnect PWA cable Defective patient pendant jack Defective patient pendant assembly Prime set check clamps Replace power supply PWA see Section 7 3 15 Replace motor assembly see Section 7 3 28 or Section 7 3 29 Check modification of syringe plunger Prime set Adjust or replace occlusion pressure switch see Section 7 2 7 3 or Section 7 2 7 4 and Section 7 3 26 Replace power supply PWA see Section 7 3 15 Check installation and prime set Check infuser settings Check connec
63. signal is at ground level and keeps Q1 off Current is limited to 200 mA by the quotient of the VBE of transistor Q8 divided by R17 Transistor Q7 acts as a power switch that is enabled and disabled by transistor Q9 The IC U3 B acts as a differential amplifier with a gain of 20 decibels dB Current is sensed across resistor R62 in the battery charging circuitry of the power supply PWA When current drops below approximately 20 mA the output of U3 B pin 1 which is also the input to comparator U3 A pin 6 is at 100 mV or below Pin 3 of U3 A is referenced at 500 mV from the battery charger circuitry on the power supply PWA Also when current drops below 20 mA U3 A switches to a logic high and turns on transistor Q2 disabling the charging circuit Q1 and Q19 on the power supply PWA Resistor R26 and capacitor C8 act as a noise filter to Q8 4 2 3 2 DC OPERATION When the infuser operates on battery power and the battery pack drains to approximately 8 VDC pin 4 of the voltage detector U1 switches to logic high this resets the timer U2 enabling transistors Q3 Q4 and 95 Transistor Q6 remains disabled because Ql is disabled 4 3 MECHANICS OVERVIEW Mechanical elements of the infuser consist of the slide assembly the syringe low 008 and lower and syringe empty alarm system the occlusion pressure alarm system and the vial and injector sensor alarm system 430 04502 003 Rev 4 99 4 10 LifeCare PCA Plus and Plus Se
64. to verify operation Non displaying test pattern is written to the LCD RAM compared with a stored pattern to assure that the LCD screen can accurately display data Stuck key test determines if any of the keys are permanently shorted Press individual keys to determine if the key operates and the microcomputer recognizes the correct key Test patient pendant pushbutton Indicator Test verifies battery and AC symbols are turned on and off when the power cord is connected and disconnected Audible alarm signal is generated to verify the alarm circuitry Motor rotation Motor is rotated a given amount and the shaft sensor signal is checked by the motor control circuitry Technical Service Manual 5 5 430 04502 003 Rev 4 99 Section 5 MAINTENANCE AND SERVICE TESTS Table 5 2 Service Tests Security door Test verifies the microcomputer recognizes when the security door is locked or unlocked Syringe test Test verifies the microcomputer can detect the presence and proper positioning of the vial and injector in the syringe driver mechanism Empty syringe Test verifies the microcomputer detects an empty syringe Test verifies the microcomputer detects a low syringe PCA Plus only Table 5 3 Service Options mon Desertion O Patient pendant tone Selection provides one of the following options selection 1 Tone with successful PCA dose only default 2 Tone on all attempted PCA doses placebo 12 hour clock Selection provi
65. 0 PWA FOR RS 485 ONLY 5 15 5 1 EGND 06 0 im FILEZPCR2PS1 SCH 9 17 87 Technical Service Manual 50 gt 50 ABBOTT LABORATORIES HOSPITAL PRODUCTS DIVISION MV Figure 9 5 Power Supply PWA Schematic PCA II DRAWING NO 249 04212 010 SHEET 5 OF 8 9 57 430 04502 003 Rev 4 99 Section 9 DRAWINGS This page intentionally left blank 430 04502 003 Rev 4 99 9 58 PCA Plus and Plus II Series Infusers 5 SHT WOLF JB 75 STROBE BRO 59 RD page MOTO 8 am 35 FR pai 3_ gt BITO 55 Bots PR2 2 Morea 35 Iti 00 3T DO MOTO 01 33 01
66. 03 Rev 4 99 Section 7 REPLACEABLE PARTS AND REPAIRS To replace the battery pack cover refer to Figure 7 13 Battery Pack Replacement then proceed as follows 1 Disconnect the infuser from AC power 2 Place the infuser face down on a soft surface Using a 1 4 inch nutdriver remove the two 6 32 hex head screws from the bottom cover 3 Remove the battery pack cover and install the replacement battery pack cover 4 Replace the two screws removed in Step 2 Replacement of the battery pack cover is a routine maintenance procedure and no verification procedure is normally required However if the infuser may have been damaged during this procedure perform the PVT as described in Section 5 2 BATTERY INFUSER REAR CASE MEM BATTERY US CAS 7 9 c RUBBER PAD 2 D INFUSER FRONT CASE 6 32 X 5 16 6 39 X 1 2 HEX HEAD WITH WASHER HEX HEAD WITH WASHER 95F01018 Figure 7 13 Battery Pack Replacement 7 9 5 BATTERY PACK REPLACEMENT The recommended tool for this procedure is a 1 4 inch nutdriver To replace the battery pack refer to Figure 7 13 Battery Pack Replacement then proceed as follows l Disconnect the infuser from AC power 2 Place the infuser face down on a soft surface Using a 1 4 inch nutdriver remove the two 6 32 hex head screws from the bottom cover 430 04502 003 Rev 4 9
67. 035 Figure 7 24 Front Panel Replacement DOOR LOCK SWITCH REPLACEMENT CAUTION Use proper ESD grounding techniques when handling components Wear an antistatic wrist strap and use an ESD protected workstation Store the PWA in an antistatic bag before placing it on any surface The recommended tools for this procedure are as follows No 2 Phillips screwdriver small flat blade screwdriver 1 4 inch nutdriver soldering iron and solder 430 04502 003 Rev 4 99 7 54 LifeCare PCA Plus and Plus Series Infusers REPLACEMENT PROCEDURES To replace the door lock switch refer to Figure 7 25 Door Latch Assembly Type 4 or Figure 7 26 Door Latch Assembly Type B then proceed as follows l Disconnect the infuser from AC power 2 Separate the infuser front and rear case assemblies as described in Section 7 2 2 Separating Front and Rear Case Assemblies 3 Using a small flat blade screwdriver and a 1 4 inch nutdriver remove the door lock switch from the door latch assembly Note A small flat blade screwdriver is required only for infusers with final assembly number 850 04250 008 4 Unsolder the wires from the door lock switch Mount the replacement door lock switch on the door latch assembly 6 Solder the wires to the terminal of the replacement door lock switch as follows white wire with green and brown stripes to the center terminal white wire with blue and brown stripes to the rear terminal 7 Re assemble t
68. 07 Technical Service Manual 9 29 430 04502 003 Rev 4 99 Section 9 DRAWINGS This page intentionally left blank 430 04502 003 Rev 4 99 9 30 PCA Plus and Plus II Series Infusers Technical Service Manual 95 01012 225 1 K 2 ABBOTT LABORATORIES HOSPITAL PRODUCTS DIVISION MV Figure 9 1 IPB for the Infuser DRAWING NO N A REV N A SHEET 12 OF 16 9 31 430 04502 003 Rev 4 99 Section 9 DRAWINGS This page intentionally left blank 430 04502 003 Rev 4 99 9 32 PCA Plus and Plus II Series Infusers 95E01010 Technical Service Manual EE aun Co ABBOTT LABORATORIES HOSPITAL PRODUCTS DIVISION MV Figure 9 1 IPB for the Infuser REV N A DRAWING NO SHEET 13 OF 16 N A 9 33 430 04502 003 Rev 4 99 Section 9 DRAWINGS This page intentionally left blank 430 04502 003 Rev 4 99 9 34 PCA Plus and Plus II Series Infusers dG 11 ABBOTT LABORATORIES HOSPITAL PRODUCTS DIVISION MV Figure 9 1 IPB for the Infuser REV N A DRAWING NO SHEET 14 OF 16 N A 95 01011 Technical Service Manual 9 35 430 04502 003 Rev 4 99 Section 9 DRAWINGS This
69. 0K VSUP TO POWER R23 dA SUPPLY BORRD 20K 1 T c R22 PN22228 S D 5 1 115 E 1 3 Es 246111 R17 03 3 01 1 Jl 287000 Qu 05 T gt ie TPO610L TPOGIOL REF 1 V V _ J 100K 1 ROS d FLK 2 gt 1UF 30 02 ur 20K R26 V R31 R19 RIG 5 Bus f 2 2K 2 2K 51 OHM 22 118 100 E AW UN FLK 8 5 7 2 2 x 1 R21 aa T 7 19 6 1 R10 20K Ng T 08 1K 0 1X PN2222R 2 Je R28 U3 R20 _ 5 SENS 1K 0 1 d 1 LT1013 VRDC V J2 senate R29 R30 SENS S gt w 17 T Aden 1 0 1 19 6K 17 22 NC 6 gt 0 1UF Technical Service Manual ABBOTT LABORATORIES HOSPITAL PRODUCTS DIVISION MV Figure 9 6 Current Boost Charger Schematic MDL 4 PCA DRAWI 249 04469 002 9 65 ING NO REV A SHEET 1 OF 1 430 04502 003 Rev 4 99 Section 9 DRAWINGS This page intentionally left blank 430 04502 003 Rev 4 99 9 66 PCA Plus and Plus II Series Infusers Technical Service Manual 70 tco no On Ul d CO N DO PE PO n C 10 DO s 2 LO J10 3 82 uH 82un I
70. 12 RNG o N 2 M ere M0T64 0170 R31 1 ok XX 12 R27 aT 18 Lena NOTBAD 13 1 396 R26 MN ugte C30 22K Sn 8 1 SHAFT 10 E c26 L R 1 15 LEDK DETE TO CPU DISPLAY PWA FILE PCA2PS2 SCH 9 17 87 J8 1 7 STROBE 17 BRD 8 BHR AB PAI 31905 PR2 Sy 08 pp PR3 01 33 01 PRU amp 02 32 02 PAS 03 31 03 3 Du 30 pu PAT 05 29 05 PBO 1 06 28 06 PBI 07 27 07 PB2 2 AG PB3 Al PBU 24 RI T PI ESE 22 PB7 u7 PCO R28 4 PCI 32 EN C6 82C55R pc5 2 17 9 01 8 1 PPT PC3 26 1 8 PCS 5 4 7 PCB R29 R2 L 2dRE Bg 28 PE 47K lt 10K 470 3 DE 815 5 19 INL ue 053595 loci Var 8 1 DISBHT ji 21 LOBAT R vec 5 ON 2jRE u2 5 23 0008 39 als 4 R13 108 053595 18 00 3 2 BIT8 M 15 Di 20 n BIT 5 mes D2 30 30 BIT2 D3 Blip ug 8 B113 5 SEE NOTE J7 DU 13 50 011 5012 1 1 11 05 TH ep 50 15 06 1719p 7015 8176 34 D7 18 go 19 C31 Riu R30 cues H vec 20 m 0 1 T 2 20 3 3K T e 13 T 20 74HC373 Td 2 5REF m CPUOFF gt ONSA 9 20 85 39 gt 18 Di Di D2 02 03 03 Dy DH 15 D5 D5 06 06 10 07 07 18 gt 17 18 06 25 01 27 02 28 03 29 Du 30 05 31 06 32 07 SHAFT TO MOTOR ABB
71. 16 430 04502 003 Rev 4 99 6 8 LifeCare PCA Plus and Plus II Series Infusers PVT TROUBLESHOOTING Table 6 3 Troubleshooting with the PVT PVT Test Failure Possible Cause Corrective Action Software version Elapsed days Internal RAM External RAM ADRS External RAM cell CPU ROM Real time clock LED LCD Technical Service Manual Defective CPU display PWA Defective CPU display PWA Defective CPU display PWA Defective CPU display PWA Defective CPU display PWA Defective CPU display PWA Defective CPU display PWA Defective CPU display PWA Defective CPU display PWA Defective CPU display PWA Loose connection damaged ribbon cable Defective touchswitch Defective CPU display PWA Replace CPU display PWA see Section 7 3 16 Replace CPU display PWA see Section 7 3 16 Replace CPU display PWA see Section 7 3 16 Replace CPU display PWA see Section 7 3 16 Replace CPU display PWA see Section 7 3 16 Replace CPU display PWA see Section 7 3 16 Replace CPU display PWA see Section 7 3 16 Replace CPU display PWA see Section 7 3 16 Replace CPU display PWA see Section 7 3 16 Replace CPU display PWA see Section 7 3 16 Check ribbon cable from touchswitch to J13 on CPU display PWA Replace front panel if necessary see Section 7 3 40 Check ribbon cable from J12 on CPU display PWA to J7 on power supply PWA Replace ribbon cable if necessary see Section
72. 16 ar DISPLAY 00 26 pg 01 27 n 02 28 po 03 28 03 Du 30 pi 05 81 ps 06 32 ps 07 33 07 SHT SHAFT FILE PCA2 PS2 SCH 4 17 87 ABBOTT LABORATORIES HOSPITAL PRODUCTS DIVISION MV Figure 9 5 Power Supply PWA Schematic PCA Il DRAWING NO 249 04212 011 SHEET 8 OF 8 Technical Service Manual 9 63 430 04502 003 Rev 4 99 Section 9 DRAWINGS This page intentionally left blank 430 04502 003 Rev 4 99 9 64 PCA Plus and Plus II Series Infusers ER ORRD 1 gt BRT J1 2 gt BAT 3 gt VRDC Bed TO PON SUPPLY B RIS CR1 J VSUP HOLD CR3 510 1NU1U8 VSUP 1N5242B4 gt egg T 12 EE BB C5 22UF cu 0 47UF ZZ 1 57 Ls C3 M TE RO V CRS R3 R5 RG 0 1UF 3 16K 17 gt 1 01 A TOUS 6 NH 750 17 19 6K 1 2 3 17 0 1UF Ut 9 INH 7 8 8212 18 INI 3 C1 2 RDC 1215 Quia CS s HST l sET 13 ie 3 RESET 10536 100K 1 TRH MONO_IN 4 BRT R7 BAT c2 0 1UF 5 20K ivi BAT VRDC AC DC CR2 y Jl VRDC 1 148 2
73. 2 ELON JKT zwwziosn 07 lt 33 FSER PONER p 8 22 F B E SUPPLY 22K S 5 5 R W 74HCO2 PWA 2 m Ag AS 5442 00 37 Bu hn 7 400 uc 1 L 21 401 FOND 03 8 5102 4 16 5 apo 2 fay 81118 00 75 D 18 03 ag lt 17 ADL 3 17 05 11 lt D4 LCO DISPLAY 22 802774153 83 18 D2 12 05 3 803 Slay uie 8415 03 cli 216 osc 26 13 lt 06 Abu 8 65 B5 Du 18 18V R19 4 07 aos 76 13 25 e L d4jc our S 2 lt 4 voo OTERD lt 18 8898 uu B7 x1 07 7668 1 Nee L u 1 DIR 20 V5 _ I As aosisy 20K TO iss 8 1946 19 8 1 5 Jiu 059 POWER PSEN 5 qu M zs 7 2 5 1 3 SUPPLY 1 7 9 1 PWA 1 7uHCT373 50 29 39 Apo aoo 18 50 18 ng oo BRD 22 09111 oa 187 38 ADL 8D 1017 Rl AL 8 ni oi 12 01 011201 5 16 17980 n2 37 RD2 202 Jon 20 16 R2 R2 n2 o2 13 52 02 13 zu 1923 u 36 RD3 803 17 2015 R3 R3 7 n3 23 15 03 Rl 9 1 0315 03 L LAN 2 2 35 RDU 1J 60 913 gq fu au En 8 Qu 16 04 R2 8 n2 1604 Sine ais 5182 ug cal SEGe 139
74. 5 434 VIAL AND INJECTOR SENSOR ALARM SYSTEM 4 17 4341 CHECK VIAL ALARM 4 17 4342 CHECK INJECTOR ALARM 4 18 4 3 4 3 CHECK SYRINGE ALARM 4 18 44 BATTERY OPERATION OVERVIEW 4 18 Section 5 MAINTENANCE AND SERVICE TESTS 5 1 PREVENTIVE MAINTENANCE 5 1 1 INSPECTING THE INFUSER 51 2 CLEANING THE INFUSER 513 SANITIZING THE INFUSER 5 2 PERFORMANCE VERIFICATION TEST 5 21 EQUIPMENT REQUIRED 5 2 2 INSPECTION 5 2 3 INFUSER TEST SETUP 5 24 SERVICE TEST MODE TEST 5 25 DELIVERY ACCURACY TEST 5 2 6 OCCLUSION TEST 5 2 7 CONTINUOUS TEST 5 2 8 PATIENT CONTROL JACK TEST 5 2 9 PATIENT PENDANT ASSEMBLY TEST de dit ds 5 2 10 BATTERY CHARGER TEST 5 A UI GI QUI JI UI UI QI UI UI Ui ug 1 DFP PRP WWWN RR KE 10 5 2 11 ELECTRICALSAFETYTEST 5 10 5 2 12 PRINTER TEST 5243 END OF PERFORMANCE VERIFICATION TEST 5 0 53 PVTDATAFORM 5 13 Section 6 TROUBLESHOOTING 6 1 TECHNICAL ASSISTANCE 62 DIAGNOSTIC MODE 63 ALARM AND DISPLAY MESSAGE OVERVIEW 5 6 3 1 AUDIBLE ALARMS 6 3 2 ALARM CAUSES AND ACTIONS 6 3 3 MALFUNCTION CODES 6 4 INFUSER TROUBLESHOOTING 65 PVT TROUBLESHOOTING oO o0 1 E E Section 7 REPLACEABLE PARTS AND REPAIRS 7 1 REPLACEABLE PARTS
75. 628 u 7a 13 CPUOFF SHT 2 8 17 0 1 INJ SHT 2 VIRLSW lt 2 4 UN SHT 2 Ju 1Nu1uB apnea E 2 H INJECTORSH 21 cna VIRL 1NU1UB d TO cnra ON UE SEP MECHANISM 1NU1UB DNSR UK BA JuHC2uu vl 1 20 3 2 21 5 lt 2 4 5 8 PALIN 2 n1 17119 00 SHT 2 Ca amit 4 112 28 ut SHT 2 SYRINGE LOSH 183 1Y3 SHT 2 3 E n PATIENT 8 174 12 D3 SHT 2 SYRINGE cl ox YES ENTA 521 201 Di SUT 5 REV CHG 13 DAD 2Y2 7 05 SHT 2 0075 9 18 SHAFT 15 5 06 4 15 213 3 SHT 2 AN7 214 SHT 2 i 18 S 18 25 6 7 8 T D 1 T J8 ANS na E TO lt 26 18 n t 8 1 REAR CASE IK i lt 25 die ices RN3 SHAFT NC H gt 27 i 1 100K lt 8 V UN PATIENTSA 18 SWS TSEL 52 gt SHSTSEL 12 2172 NOTES BRCKPRNEL RUDHI D YES ENTR 2 18 MAINS 1 RESISTORS IN OHMS 1 5 RUDMED 11 2 X 6 29 S PRINT TO UNLESS NOTED i AUDIO 2 CAPACITORS IN UF 20 50V PODS X B i CPU OR GRERTER UNLESS NOTED N 0070 18 AUDIO 5 36 5 DISPLAY ns cre R20 NOT USED 13 Bee 38 EGND Ul U2 C2 R13 NOT USED ond lt 828 DRIVER 7 004
76. 7 Occlusion Pressure 4 15 Alarms Audible 6 3 Analog To Digital Converter 4 6 Artifacts 1 4 Assemblies Cradle 4 13 Motor 4 12 Slide 4 11 Assistance Technical 6 1 Audible Level Switch Replacement 7 50 Technical Service Manual B Battery Boost Charger PWA 4 9 Charger Test 5 10 Operation Overview 4 18 Battery Boost Charger PWA Replacement 7 53 Battery Pack Cover Replacement 7 21 Replacement 7 22 C Changing the Key Number 7 57 Check Vial Alarm 4 17 Chip Select Circuitry 4 5 Circuit LED Display 4 7 Watchdog 4 7 Circuitry Chip Select 4 5 Microprocessor 4 5 Cleaning the Infuser 5 2 Clock Real Time Setting 7 18 Codes Malfunction 6 3 Cold Start Sequence 4 1 Control Panel Harness Replacement 7 46 Conventions of Manual 1 2 CPU Display PWA 4 3 Control Signals 4 6 Replacement 7 29 System Interfaces 4 4 Cradle Assembly 4 13 Replacement 7 33 D DC Operation 4 10 DC Voltage Unregulated 4 8 Delivery Accuracy Test 5 6 Delivery Mechanism 4 2 Diagnostic Cable Replacement 15 Conductor 7 32 Diagnostic Mode 6 1 430 04502 003 Rev 4 99 INDEX Door Changing the Key Number 7 57 Latch Assembly Replacement 7 58 Lock Assembly 7 57 Lock Assembly Replacement 7 56 Lock Switch Adjustment 7 19 Lock Switch Replacement 7 54 Drawings 9 1 E Electrical Safety Test 5 10 Electronics Overview 4 3 End of Performance Verification Test 5 12 Equipment Required 5 3
77. 7 3 15 Replace motor assembly see Section 7 3 28 or Section 7 3 29 LifeCare PCA Plus and Plus I Series Infusers PVT TROUBLESHOOTING Table 6 3 Troubleshooting with the PVT PVT Test Failure Possible Cause Corrective Action Security door Syringe test Low empty syringe Patient pendent tone selection 12 24 hour clock selection PCA Plus Select RX concentration 3 1 software and higher Technical Service Manual Loose connection Door lock switch out of adjustment or defective Defective power supply PWA Loose connection Injector sensor switch defective Vial sensor switch out of adjustment or defective Defective power supply PWA Loose connection Syringe low sensor switch out of adjustment or defective PCA only Syringe empty sensor switch out of adjustment or defective Defective power supply PWA Defective CPU display PWA Defective CPU display PWA Incorrect software revision Check connector J8 and J7 on power supply PWA Adjust or replace door lock switch see Section 7 3 41 Replace power supply PWA see Section 7 3 15 Check connector J6 or J4 on power supply PWA Replace injector sensor switch see Section 7 3 27 Adjust or replace vial sensor switch see Section 7 3 22 Replace power supply PWA see Section 7 3 15 Check connector J4 on power supply PWA Adjust or replace syringe low switch see Section 7 3 25 Adjust or replace syringe empty switch
78. 7 3 19 Replace front panel see Section 7 3 40 Replace CPU display PWA see Section 7 3 16 430 04502 003 Rev 4 99 Section 6 TROUBLESHOOTING Table 6 3 Troubleshooting with the PVT PVT Test Failure Possible Cause Corrective Action Indicator Motor rotation 430 04502 003 Rev 4 99 Loose connection defective ribbon cable Defective CPU display PWA Defective power supply PWA Loose connection defective ribbon cable Defective alarm volume switch Defective piezoelectric alarm Defective power supply PWA Defective CPU display PWA Lead screw dirty or needs lubrication Loose connection Defective power supply PWA Defective motor assembly Check ribbon cable from J12 on CPU display PWA to J7 on power supply PWA Replace ribbon cable if necessary see Section 7 3 19 Replace CPU display PWA see Section 7 3 16 Replace power supply PWA see Section 7 3 15 Check connection at J8 on power supply PWA Inspect interconnect PWA cable for damage replace if necessary see Section 7 3 38 Replace alarm volume switch or interconnect PWA see Section 7 3 36 or Section 7 3 37 Replace piezoelectric alarm or interconnect PWA see Section 7 3 34 or Section 7 3 37 Replace power supply PWA see Section 7 3 15 Replace CPU display PWA see Section 7 3 16 Lubricate lead screw see Section 7 2 11 Check connector J5 on power supply PWA Replace power supply PWA see Section
79. 9 7 22 LifeCare PCA Plus and Plus Series Infusers REPLACEMENT PROCEDURES 3 Remove the battery pack cover 4 Separate the battery pack cable from the charger circuit cable Remove the battery and dispose of it in accordance with local battery disposal practices 5 Connect the leads of the new battery pack to the battery connector make certain that the connection is tight 6 Install the replacement battery pack into the housing so that the bottoms of batteries are visible make certain that the wires are not kinked or crushed under the batteries 7 Replace the bottom cover make certain the battery leads are tucked inside 8 Replace the two screws removed in Step 2 9 PCA Plus II only Reset the real time clock as described in Section 7 2 9 Setting the Real Time Clock PCA Plus II To verify successful replacement of the battery pack press the ON touchswitch with the infuser disconnected from AC power Verify the front panel battery symbol illuminates Replacement of the battery pack is a routine maintenance procedure and no additional verification procedure is normally required However if the infuser may have been damaged during this procedure perform the PVT as described in Section 5 2 7 3 6 FUSE REPLACEMENT The recommended tools for this procedure are as follows No 2 Phillips screwdriver and small flat blade screwdriver To replace the fuses refer to Figure 7 14 Replaceable Parts on Back of Infuser th
80. 926 GND GND J8 T 5 C7 8 1 5 TO 28 REAR CASE 25 c29 RN3 SHAFT s M COSH 2 6 _ V UN 21 1 100K 2 LM358 9 V UN 4093 J7 l pans SHSTSEL THEN us PATIENTSW 2 SUSTSEL BACKPANEL 12 21 PET ERR NOTES MAINS 18 5 MAINS 1 RESISTORS IN OHMS 1 5 RuDMED 11 03 PRINT 25 BRINT TO UNLESS NOTED SUBE R16 ZVN2106A AUDIO 8 5 punto 2 CRPRCITORS IN UF 207 50V 35 CPU OR GREATER UNLESS NOTED 10010 10 AUDIO 38 5 DISPLRY 3 R20 NOT USED 13 R15 gt 100K 38 2 EGND 4 Ul U2 C1 C2 NOT USED SND lt 820 EN Ve usd gt 060 FOR RS 485 ONLY 6 5 4 9 5 EGND iE 3 15 FILE PCA2PS1 SCH 9 17 87 Technical Service Manual ABBOTT LABORATORIES HOSPITAL PRODUCTS DIVISION MV Figure 9 5 Power Supply PWA Schematic PCAII DRAWING NO 249 04212 011 SHEET 7 OF 8 9 61 430 04502 003 Rev 4 99 Section 9 DRAWINGS This page intentionally left blank 430 04502 003 Rev 4 99 9 62 PCA Plus and Plus II Series Infusers 5
81. AND REPAIRS AUDIBLE LEVEL SWITCH PRINTER DATAWAY PATIENT ined CONNECTOR 6 32 X 1 4 MOUNTING PATIENT PENDANT VELCRO STRAP RETAINING PLATE AC CORD VELCRO STRAP RETAINING PLATE POLE CLAMP FINAL ASSEMBLY ASSEMBLY NUMBER 8 32 X MOUNTING TEST CONNECTOR SCREWS 4 CASE ATTACHMENT FUSEHOLDER BOLT 4 AC POWER CORD RETAINING PLATE MOUNTING SCREW AC POWER CORD 95F01019 Figure 7 14 Replaceable Parts on Back of Infuser 73 7 POLE CLAMP ASSEMBLY REPLACEMENT The recommended tool for this procedure is a No 2 Phillips screwdriver To replace the pole clamp assembly refer to Figure 7 14 Replaceable Parts on Back of Infuser then proceed as follows 1 Place the infuser face down on a soft surface 2 Remove the four 5 8 inch Phillips mounting screws and associated lock washers 3 Remove the pole clamp assembly and install the replacement pole clamp assembly using the screws and lockwashers removed in Step 2 Replacement of the pole clamp assembly is a routine maintenance procedure and no verification procedure is normally required However if the infuser may have been damaged during this procedure perform the PVT as described in Section 5 2 430 04502 003 Rev 4 99 7 24 LifeCare PCA Plus and Plus Series Infusers REPLACEMENT PROCEDURES 73 8 VELCRO STRAP AND RETAINER PLATE REPLACEMENT Velcro straps and retainer plates on the rear of the infuser secure the patient pendan
82. BLE LEVEL PATIENT PENDENT AUDIBLE ALARM DOOR SWITCH FILE PCA2IC SCH 2 13 81 ABBOTT LABORATORIES HOSPITAL PRODUCTS DIVISION MV Figure 9 3 Interconnect Schematic PCA II DRAWING NO REV 249 04250 001 SHEET 1 OF 2 9 43 430 04502 003 Rev 4 99 Section 9 DRAWINGS This page intentionally left blank 430 04502 003 Rev 4 99 9 44 PCA Plus and Plus II Series Infusers 312 E 810 04212 n D 810 04213 FRONT PAN VIAL INSTALLED ES 3 RO J6 ELON 2 12 ELON CPU DISPLAY o 1 GND POWER SUPPLY Busy 24 24 BUSY PRESSURE LIMIT 2 VIALSW 18 18 o PRNTOUT 9 9 qa 9 CPUOFF 8 8 OFF RECHG ONSH 39 39 OFFSW 13 13 set t m ae SYRINGE LOW 5 5 un 9 P4 J4 BBRD 10 10 a SIL
83. CAUTION Use proper ESD grounding techniques when handling components Wear an antistatic wrist strap and use an ESD protected workstation Store the PWA in an antistatic bag before placing it on any surface 732 REQUIRED TOOLS AND MATERIALS The following tools and materials or equivalents are required for the replacement procedures in this section In addition at the beginning of each procedure is a list of tools and materials required for that specific procedure Set of Allen wrenches Set of nutdrivers 7 8 inch open end wrench Set of box wrenches 3 16 inch to 1 4 inch Small flat blade screwdriver Standard flat blade screwdriver No Phillips screwdriver No 1 Phillips screwdriver No 2 Phillips screwdriver Electricians knife X acto knife Wire cutters Wire strippers Soldering iron Solder tin lead Sn63 Pb37 RMA type only Shrink tubing 1 8 inch Small tie wraps Isopropyl alcohol Grease Braycote 804 L L DL D D D L D D D D L L D D DL D D D Heat gun optional 733 SEPARATING FRONT AND REAR CASE ASSEMBLIES FOR REPLACEMENT PROCEDURES Several of the replacement procedures in this section require separating the infuser front and rear case assemblies Refer to Section 7 2 2 Separating Front and Rear Case Assemblies as indicated in the following procedures 734 BATTERY PACK COVER REPLACEMENT The recommended tool for this procedure is a 1 4 inch nutdriver Technical Service Manual 7 21 430 04502 0
84. CE The LCD subassembly connects to the system data bus address bits A1 through AO and an I O chip select The LCD background lighting is provided by an electroluminescent panel powered by a DC to AC converter at 017 The converter converts the 5 VDC to approximately 90 VAC The background lighting is turned off by disabling transistor Q2 two minutes after a touchswitch is pressed or 30 seconds after the door is locked The viewing angle is set to provide maximum contrast by adjusting potentiometer R19 Potentiometer R19 is factory adjusted to give maximum contrast at a viewing angle perpendicular to the LCD screen U10 a DC to DC converter provides 5 VDC to allow a full 10 volt adjustment range of R19 430 04502 003 Rev 4 99 4 6 LifeCare PCA Plus and Plus Series Infusers ELECTRONICS OVERVIEW 4 2 1 6 LED DISPLAY CIRCUIT The LEDs are driven on a time multiplexed basis pattern of segments to be illuminated is latched into U14 by U11 During the same CPU cycle the seven segment LED that displays the pattern is enabled by address bits written to the latch at U2 which is buffered by U3 The anodes of the single LED that provides the decimal point and the LED array that illuminates the battery symbol are illuminated by the DP signal from U14 latch Information represented by the DP signal is displayed by the decimal point when it is enabled with the tenths display and by the battery LED when it is enabled with the units
85. CREATER UNLESS NOTED ABBOTT LABORATORIES 3 16 NOT USED HOSPITAL PRODUCTS DIVISION MV FILE PCA2C SCH 11 20 87 THIS SCHEMATIC APPLIES TO ALL DOMESTIC AND INTERNATIONAL PWA S Figure 9 4 CPU PWA Schematic 4100 4200 DRAWING NO REV J 249 04213 028 SHEET 1 OF 1 Technical Service Manual 9 47 430 04502 003 Rev 4 99 Section 9 DRAWINGS This page intentionally left blank 430 04502 003 Rev 4 99 9 48 PCA Plus and Plus II Series Infusers 236111 BAT em ium HEATSINK RC lt R28 CR LN2940
86. CT E 1 2940 n 1 5K HERTS INK us U10 144001 x cni T out w GSV gt 2 TO 123 2N8111 5 BATTERY pi n Et amp 0 62 1 N 141001 e TRANSFORMER IX 1N5820 01 22 16 LM2948C 7 26111 HERTSINK a 821 R22 4 Bes A L 51 5 1K ee 7 gt gt 220PF 2Nuu82 BRT 4 LM358 43 812 R8 R25 1 rN ug_9K 5 ND U12R 2 2K m 470 n IN 8 DTSBRT 18 2 508V 2 038 gt SHT 2 15K 018 27 K R10 Au 1 220 1 62K C3 cb du 0 LN358 LT1009CZ 22 16Y 5 fri T LOBAT gt SHT 2 BAT A lt 3 a BATTERY MAINS F 28 7K MONITOR PRINI LN385Z 17 2 5 i lt i e rrsu lt 8 9 RUDHI 34 TEST PORT PATIENTS 3 1 3852 UDDRSH i ABU P 2 8 2 5REF 2 5REF anid SYRINGE EMPTYSH ae e pi SYRINGE 05 lt 5 2022 4077 2 PRESSURESR T 3 gt sur 2 BRE o 8 VIRLSR 3 os Juran INJECTORSW 4077 15 ZVN2106A 7 rfr ti 12 ud REN 1 1N8263 U13D c19 12 RN2 47KS u7K2 47K ES i 70 01 NE vu 833 10K CPUDFF sur 2 IN SHT 2 VIRLSH ua SHT 2 INJT DOOR ant 5
87. CTION OF TRAVEL SYRINGE EMPTY SWITCH ARM 95F01036 Figure 7 7 Syringe Empty Switch 010 and Higher 727 OCCLUSION ALARM SWITCH TEST AND ADJUSTMENT The recommended tools for this procedure are as follows No Phillips screwdriver No 2 Phillips screwdriver 1 4 inch nutdriver 3 16 inch nutdriver 5 16 inch nutdriver two 9 32 inch open end wrenches 5 64 inch Allen wrench X acto knife red GLPT insulating varnish water filled syringe DPM three way stopcock and IV administration set Note The following procedure requires a modified syringe to assure that the friction between the syringe plunger and the inside surface of the vial will not cause false occlusion pressure readings MODIFYING THE SYRINGE To modify the syringe refer to Figure 7 8 Modification of Syringe Plunger then proceed as follows 1 Remove the plunger from the syringe Using an X acto knife cut the two top ribs off the syringe plunger as shown in Figure 7 8 Make certain that no rough material is loose on the plunger 2 Apply a light coating of silicone oil to the remaining rib Replace the plunger in the syringe 430 04502 003 Rev 4 99 7 12 LifeCare PCA Plus and Plus Series Infusers ADJUSTMENT PROCEDURES REMOVE AND DISCARD TOP TWO RIBS CUT HERE Lees LAPSI T T 95F01015 Figure 7 8 Modification of Syringe Plunger Todes OCCLUSION ALARM SWITCH TEST To perform the occlusion alarm sw
88. Codes Error in timer T1 4Q CPU stack error Analog to digital converter error INFUSER TROUBLESHOOTING Table 6 2 Infuser Troubleshooting shows failure symptoms and probable causes Table 6 2 is organized by the alarm messages that appear on the infuser LCD screen m Before troubleshooting turn the infuser power off then on Allow the self test to complete If an alarm or malfunction persists carefully inspect the infuser for damage as described in Section 5 1 1 Inspecting the Infuser If alarm or malfunction persists perform the corrective action specified in Table 6 2 or contact Abbott Laboratories Table 6 2 Infuser Troubleshooting Alarm Message Possible Corrective Fault Symptom Cause Action CHECK VIAL Vial is improperly installed Properly insert vial in the vial or missing cradle see system operating manual Adjust vial sensor switch see Section 7 2 4 CHECK INJECTOR Injector is improperly Properly insert injector in the installed or missing driver retainer assembly see System operating manual Adjust injector sensor switch see Section 7 2 3 Technical Service Manual 6 5 430 04502 003 Rev 4 99 Section 6 TROUBLESHOOTING Table 6 2 Infuser Troubleshooting Alarm Message Possible Corrective Fault Symptom Cause Action CHECK SYRINGE LOW SYRINGE PCA Plus only EMPTY SYRINGE CHECK SETTINGS CHECK 4 HR LIMIT DOOR OPEN 430 04502 003 Rev 4 99 Syringe vial and inj
89. DO NOT CONNECT THE INFUSER TO A PATIENT To set up the infuser proceed as follows 1 Using the dual lock mechanism secure the infuser to an IV pole Note When the security door is locked the infuser locks to the pole clamp and prevents its removal without a key 2 Connect the system to AC power unless otherwise specified Connect the appropriate Abbott PCA set to an Abbott 30 mL PCA vial injector 4 Prime the vial and administration set Hold the vial vertically with the administration set extending from the top Slowly push down on the injector until all air is cleared from the vial and administration set w CAUTION Make certain all caps on the vial and the administration set are removed and all clamps are open when priming syringe 524 SERVICE TEST MODE TEST Table 5 2 Service Tests and Table 5 3 Service Options provide a list of tests and options available in the service test mode Each test displays prompting information on the LCD screen to serve as a guide through the test Prompts and descriptions are shown in Table 5 2 Note The patient pendant must be connected to the infuser to complete the service test mode test To enter the service test mode proceed as follows 1 Confirm that the AC power symbol on the front panel is illuminated 2 Turn the infuser off and enter the storage mode by opening the security door and pressing the OFF RECHG touchswitch for approximately six seconds LCD screen sh
90. EAR CASE ASSEMBLY REPLACEMENT Technical Service Manual V 430 04502 003 Rev 4 99 Contents 7346 FRONT CASE ASSEMBLY REPLACEMENT 7 60 7347 RUBBER FOOT PAD REPLACEMENT 7 6 Section 8 SPECIFICATIONS 25 ba x X 555 ew ew 8 1 81 PCA PLUS 8 1 8 2 PCA PLUS II 8 2 Section 9 DRAWINGS 5 4 so KAD EAMES KREG BS Section 10 INDEX MC a Owe ee aS 1 1 430 04502 003 Rev 4 99 vi LifeCare PCA Plus and Plus II Series Infusers Figure 4 1 Figure 4 2 Figure 4 3 Figure 4 4 Figure 4 5 Figure 4 6 Figure 5 1 Figure 5 2 Figure 6 1 Figure 7 1 Figure 7 2 Figure 7 3 Figure 7 4 Figure 7 5 Figure 7 6 Figure 7 7 vmi 7 Figure 7 13 Figure 7 1 Figure 7 15 Figure 7 16 Figure 7 17 Figure 7 18 Figure 7 19 Figure 7 20 Figure 7 21 I Figure 7 22 Figure 7 23 Figure 7 24 Figure 7 25 Figure 7 26 Figure 7 27 Figure 7 28 Figure 9 1 Figure 9 2 Figure 9 3 Figure 9 4 Figure 9 5 Figure 9 7 Figures Infuser Slide Assembly 008 and Lower Infuser Slide Assembly 010 and Higher n Syringe Low and Syringe Empty Alarm System 008 and j ias 72 du and d s cda witch 010 and Higher e uk and Syringe Low Switch 008 wal TM 010 Higher Syringe Empty Switch 008 and Lower Jm Sy
91. ENCE NO 5 SHSTSEL 2 2 2 PRESSURSW 0 1 17 SYRINGE EMPTY s 3 SYRINGE LOSH 0 5 5 A 9 TL 4 SYRINGE 01 27 27 RESET START 1 4 INJECTORSW 02 28 28 6 GND 03 29 29 hec D4 30 30 INJECTOR INSTALLED 3 2 PRINT 0 4 GND 07 33 33 D7 21 YES ENTR 5 2726 2 22 REV CHG P13 1 2 5REF 20 20 2 n p 3 MOTO MAINS 5 19 19 MAINS 12 HISTORY 5 lt FOTOS AUDIO 6 6 AUDIO 9 m 2 VMOT 5 5 5 5 10 RU 6 MOTOA 5 1 1 5 1 BER 4 80702 3 3 8 ED 8 LEDA 50 4 4 50 5 Es 9 SHAFT 5 35 GND 6 MOTOR 7 lt LEDK DETE G 36 36 GND 1 7 EGND 37 37 EGND 2 2 DGND 38 38 3 dieci f PRINT 25 25 PRINT 4 SPARE 40 40 SPARE 13 DATAWAY PRINTER J8 PS PRINTER DATAMAY STROBE 1 STROBE L 6 PURGE SYSTEM BIT 5 3 am M BIT2 6 i BIT2 A2 SENSOR Na BIT3 3 BIT3 A3 4 4 1 1 4 4 LOADING DOSE p A5 BITS 2 i BITS A5 p 4 PARITY BITE 24 8116 PARITY DEFAULT 22 we B DEFAULT BAT N C zi VMOT BUSY 17 1 0 Busy FR DATAWAY 5 O YES ENTER PRINT PRINT NC ONSW ONSW NC OFFSW NC m AUTO FEED AUDHI AUDHI N C pu ST PORT PATIENTSW PATIENTSW NC 5 4 BEVTEH DOORSW DOORSW NC 8 SELECT INPUT CHANGE SYRINGE EMPTYSN SYRINGE EMPTYSN PRNTR 4 820 090 AUDH SYRINGE LOSW SYRINGE LOSH NC A PRESSURESW PRESSURESW SDA 23 SDA 21
92. ERY PACK REPLACEMENT FUSE REPLACEMENT 2 5 CLAMP ASSEMBLY REPLACEMENT Ew os VELCRO STRAP AND RETAINER PLATE REPLACEMENT SECURITY DOOR REPLACEMENT SECURITY DOOR LATCH REPLACEMENT PATIENT PENDANT CONTROL CABLE REPLACEMENT AC POWER CORD REPLACEMENT AC POWER CORD PLUG REPLACEMENT GASKET SEAL REPLACEMENT POWER SUPPLY PWA REPLACEMENT CPU DISPLAY PWA REPLACEMENT LED REPLACEMENT LCD ASSEMBLY REPLACEMENT 40 PIN RIBBON CABLE REPLACEMENT 15 CONDUCTOR DIAGNOSTIC CABLE REPLACEMENT 5 CRADLE ASSEMBLY REPLACEMENT VIAL SENSOR SWITCH REPLACEMENT SLIDE CLAMP KNOB AND LEVER REPLACEMENT 008 AND LOWER SLIDE CLAMP LEVER REPLACEMENT 010 AND HIGHER SYRINGE LOW AND SYRINGE EMPTY SWITCH REPLACEMENT OCCLUSION PRESSURE SWITCH REPLACEMENT INJECTOR SENSOR SWITCH REPLACEMENT MOTOR ASSEMBLY REPLACEMENT 008 AND LOWER MOTOR ASSEMBLY REPLACEMENT 010 AND HIGHER SLIDE ASSEMBLY REPLACEMENT 008 AND LOWER SLIDE ASSEMBLY REPLACEMENT 010 AND HIGHER INJECTOR FLANGE CLAMP REPLACEMENT 22 PRINTER DATAWAY CONNECTOR AND CONTROL PANEL HARNESS REPLACEMENT PIEZOELECTRIC ALARM REPLACEMENT PATIENT PENDANT JACK REPLACEMENT AUDIBLE LEVEL SWITCH REPLACEMENT INTERCONNECT PWA REPLACEMENT INTERCONNECT PWA CABLE REPLACEMENT BATTERY BOOST CHARGER PWA REPLACEMENT FRONT PANEL REPLACEMENT DOOR LOCK SWITCH REPLACEMENT DOOR LOCK ASSEMBLY REPLACEMENT CHANGING THE KEY NUMBER DOOR LATCH ASSEMBLY REPLACEMENT R
93. End 5 12 Printer 5 11 Self 1 6 Service Test Mode 5 4 Tests Maintenance and Service 5 1 Service 5 5 Theory of Operation 4 1 Tools and Materials Required 7 3 7 21 Troubleshooting 6 1 6 5 PVT 6 8 U Unpacking 1 5 Unregulated DC Voltage 4 8 V Velcro Strap and Retainer Plate Replacement 7 25 Vial Sensor Switch Adjustment 7 7 and Syringe Low Switch 7 8 Replacement 7 34 W Warm Start Sequence 4 1 Warranty 2 1 Watchdog Circuit 4 7 LifeCare PCA Plus and Plus Series Infusers For technical assistance and product return authorization within the United States contact Abbott Laboratories Technical Support Operations 1 800 241 4002 Send all authorized prepaid returns within the United States to the following address Abbott Laboratories Technical Support Operations 755 Jarvis Drive Morgan Hill California 95037 For technical assistance and services outside the United States contact the local sales office CAUTION Federal USA law restricts this device to sale by or on the order of a physician or other licensed practitioner WARNING POSSIBLE EXPLOSION HAZARD EXISTS IF INFUSION SYSTEM IS USED IN THE PRESENCE OF FLAMMABLE ANESTHETICS Covered by one or more of the following U S patents 4 336 800 4 453 932 LifeCare is a registered trademarks of Abbott Laboratories Super Edisonite is a registered trademark of S M Edison Chemical Co Vesphene II se and Manu Klenz are registered trademarks
94. F Front and Rear Case Assemblies Separating 7 4 Separating for Replacement Procedures 7 21 Front Case Assembly Replacement 7 60 Front Panel Replacement 7 53 Fuse Replacement 7 23 G Gasket Seal Replacement 7 27 General Functions of Infuser 4 1 I Infuser Slide Assembly 4 11 Infuser Troubleshooting 6 5 Injector and Vial Sensor Alarm System 4 17 Injector Sensor Switch Adjustment 7 5 Replacement 7 39 Inspection 1 5 5 1 5 4 Instrument Installation Procedure Interconnect PWA Cable Replacement 7 52 Replacement 7 51 Interconnect PWA and Battery Boost Charger PWA Replacement 7 52 Interface LCD Display 4 6 Programmable Peripheral 8255 4 9 Introduction to Product 1 1 1 5 430 04502 003 Rev 4 99 L LCD Assembly Replacement 7 31 Display Interface 4 6 Intensity Adjustment 7 17 Lead Screw Lubrication 7 20 LED Display Circuit 4 7 Replacement 7 30 Location of Slide Assembly Mounting Bolts 7 42 Lubrication Lead Screw 7 20 M Maintenance and Service Tests 5 1 Preventive 5 1 Malfunction Codes 6 3 Mechanics Overview 4 10 Messages Status 4 2 Microprocessor Circuitry 4 5 Modification of Syringe Plunger 7 13 Modifying the Syringe 7 12 Motor Assembly 4 12 Motor Assembly Replacement 008 and Lower 7 39 Motor Driver 4 9 O Occlusion Alarm Pressure Adjustment 008 and Lower 7 15 Occlusion Alarm Switch and Pressure Adjustment 008 and Lower 7 14 and Pressure
95. HE INFUSER IS SERVICED IN THE PRESENCE OF FLAMMABLE ANESTHETICS WARNING UNLESS OTHERWISE INDICATED DISCONNECT INFUSER FROM AC POWER BEFORE PERFORMING ADJUSTMENT OR REPLACEMENT PROCEDURES CAUTION Use proper ESD grounding techniques when handling components Wear an antistatic wrist strap and use an ESD protected workstation Store the PWA in an antistatic bag before placing it on any surface 7 1 REPLACEABLE PARTS LIST Replaceable parts for the infuser are itemized in the spare parts price list and are identified in Figure 9 1 IPB for the Infuser Table 9 2 IPB for the Infuser identifies each infuser part by an index number that correlates to Figure 9 1 To request a copy of the current spare parts price list contact Abbott Laboratories For convenient reference insert a copy of the spare parts price list here Technical Service Manual Te 430 04502 003 Rev 4 99 Section 7 REPLACEABLE PARTS AND REPAIRS This page intentionally left blank 430 04502 003 Rev 4 99 7 2 LifeCare PCA Plus and Plus Series Infusers ADJUSTMENT PROCEDURES 72 ADJUSTMENT PROCEDURES Unless otherwise indicated the following procedures require an empty syringe to be installed in the cradle WARNING UNLESS OTHERWISE INDICATED DISCONNECT INFUSER FROM AC POWER BEFORE PERFORMING ADJUSTMENT PROCEDURES 721 REQUIRED TOOLS AND MATERIALS The following standard handtools special tools and materials or equivalents are required fo
96. LIVERY MECHANISM The delivery mechanism is actuated by a four phase stepper motor that controls delivery The delivery mechanism is constantly monitored by the infuser electronics 414 PATIENT CONTROLLED ANALGESIA PCA When the infuser is operating in either the PCA or the PCA CONTINUOUS modes the patient can initiate a request for analgesia by pressing the patient pendant pushbutton The patient request is answered based on the status of the lockout interval and the four hour dose limit A dose is delivered only if the lockout interval has expired and the four hour dose limit has not been reached Timing of the lockout interval and the four hour dose limit is programmed by the medical professional and is maintained by the central processor unit CPU The four hour dose limit is the maximum PCA dose deliverable by the infuser in any rolling four hour period Note The PCA Plus II will not discontinue an individual dose upon reaching the four hour dose limit the dose continues until completion 4 1 5 STATUS MESSAGES Infuser status is displayed on the LCD screen during normal operation Status messages are listed in Table 4 1 Status Messages and Definitions Table 4 1 Status Messages and Definitions DOOR LOCKED Displays for 30 seconds when security door is closed and locked PATIENT LOCKOUT Displays after a successful patient initiated dose delivery Message remains until the lockout interval elapses Message appears only when th
97. N Do not place the infuser in service if the self test fails To conduct the infuser self test proceed as follows 1 Unlock and open the security door 2 Connect AC power cord to a properly grounded AC outlet Confirm that the AC power symbol on the front panel is illuminated 3 Press and release the ON touchswitch The infuser performs a self test verifying its functional integrity If the infuser fails the self test do not place it in service contact Abbott Laboratories 4 PCA Plus II only Set the real time clock as described in Section 7 2 9 Setting the Real Time Clock PCA Plus II Note To assure the battery is fully charged connect the infuser to AC power for 24 hours before placing it in service 430 04502 003 Rev 4 99 156 LifeCare PCA Plus and Plus Series Infusers LE Section 2 WARRANTY Subject to the terms and conditions herein Abbott Laboratories herein referred to as Abbott warrants that a the product shall conform to Abbott s standard specifications and be free from defects in material and workmanship under normal use and service for a period of one year after purchase and b the replaceable battery shall be free from defects in material and workmanship under normal use and service for a period of 90 days after purchase Abbott makes no other warranties express or implied as to merchantability fitness for a particular purpose or any other matter Purchaser s exclusive remedy shall be at Abb
98. OADED LOWER VIAL RETAINER INJECTOR FLANGE CLAMP INJECTOR SENSOR SWITCH TYPE A TYPE B 95F01021 Figure 7 17 Cradle Assembly Replacement 7 3 22 VIAL SENSOR SWITCH REPLACEMENT CAUTION Use proper ESD grounding techniques when handling components Wear an antistatic wrist strap and use an ESD protected workstation Store the PWA in an antistatic bag before placing it on any surface The recommended tools for this procedure are as follows No 2 Phillips screwdriver 1 4 inch nutdriver 3 16 inch nutdriver 5 16 inch nutdriver soldering iron and solder To replace the vial sensor switch refer to Figure 7 17 Cradle Assembly Replacement and Figure 7 4 Vial Sensor Switch and Syringe Low Switch 008 and Lower or Figure 7 5 Vial Sensor Switch 010 and Higher then proceed as follows l Disconnect the infuser from AC power 430 04502 003 Rev 4 99 7 34 LifeCare PCA Plus and Plus Series Infusers REPLACEMENT PROCEDURES 2 Separate the infuser front and rear case assemblies as described in Section 7 2 2 Separating Front and Rear Case Assemblies 3 Place the front case assembly face down on a soft surface 4 008 and Lower Only Using a 3 16 inch nutdriver remove the two vial sensor adjustment screws that attach the vial sensor switch bracket and switch to the slide assembly 5 Using a Phillips screwdriver remove the screw that attaches the vial sensor switch cradle clip to the slide assembly 6
99. OTOI MOTO2 4 ms mV OFF RECHG PCA PPI PRESSURESW Technical Service Manual ACRONYMS AND ABBREVIATIONS Centimeter Central processor unit Chip select Decibel Direct current Disable battery Digital pressure meter Electroencephalogram Electrocardiograph Electromyogram Erasable programmable read only memory Electrostatic discharge Ethylene oxide Hour Integrated circuit Injector switch Input output Kilopascal Liquid crystal display Light emitting diode Limit Low battery Milliampere Malfunction Main control switch Milligram Megahertz Milliliter Motor 1 Motor 2 Motor 3 Motor 4 Millisecond Millivolt Off recharge Patient controlled analgesia Programmable peripheral interface Pressure switch 1 3 430 04502 003 Rev 4 99 Section 1 INTRODUCTION psi Pounds per square inch psig Pounds per square inch gauge PVT Performance verification test PWA Printed wiring assembly RAM Random access memory RD Read ROM memory SYRINGE EMPTYSW Syringe empty switch SYRINGELO Syringe low SYRINGE LOSW Syringe low switch V Volt VDC Volt direct current VIALSW Vial switch VIAL INJT Vial injector VRECT Voltage rectified VAC Volt alternating current WR Write uA ug Microgram us 1 4 USER QUALIFICATION The infusers are for use at the direction or under the supervision of licensed physicians or by licensed o
100. OTT LABORATORIES HOSPITAL PRODUCTS DIVISION MV Figure 9 5 Power Supply PWA Schematic PCA II DRAWING NO 249 04212 009 9 55 SHEET 4 OF 8 430 04502 003 Rev 4 99 Section 9 DRAWINGS This page intentionally left blank 430 04502 003 Rev 4 99 9 56 PCA Plus and Plus II Series Infusers BRT P1 1 RED J3 Fi 2N8111 Hitt V UN BLUE ORRNGE ET 2 5 P1 3 SL HERISINA act 2 SENSE VRDC LN28U8C T RC 3N25u m 4 50 m in 1 ourL3
101. P3 of the power cable to J3 of the power supply PWA 10 Using a 5 16 inch nutdriver reconnect the ground wire to the motor gear case 11 Reconnect the infuser to AC power and press the ON touchswitch Verify the LCD screen can be read from a distance of approximately three feet If necessary adjust the LCD intensity see Section 7 2 8 LCD Intensity Adjustment 12 Disconnect the infuser from AC power 13 Re assemble the infuser in the exact reverse order of disassembly 14 Close and lock the security door To verify successful replacement of the CPU display PWA perform the PVT as described in Section 5 2 LED REPLACEMENT CAUTION Use proper ESD grounding techniques when handling components Wear an antistatic wrist strap and use an ESD protected workstation Store the PWA in an antistatic bag before placing it on any surface The recommended tools for this procedure are as follows No 2 Phillips screwdriver 1 4 inch nutdriver 5 16 inch nutdriver 1 4 inch open end wrench and Allen wrenches To replace any of the LEDs on the CPU display PWA refer to Figure 7 12 CPU Display PWA LED and LCD Assembly then proceed as follows l Disconnect the infuser from AC power 2 Separate the infuser front and rear case assemblies as described in Section 7 2 2 Separating Front and Rear Case Assemblies 3 Remove the power supply PWA as described in Section 7 3 15 Power Supply PWA Replacement and the CPU display PWA as descr
102. R 08 7 50 3915 8178 355 mxp 1 07 18 gp 9 17 1 R30 12 20 d vec 20 0 1 T 2 2K 3 3K i 13 11896 LPRNTR 1 gE HO 25 ELON 1 c13 T 24 4078 12 RNG Sd THES 8 8 1 d l sore PER K T oc RST m SHT 2 23 2 4081 5 mcr RNB E ZVN2106A SHT 1 CPUOFF R31 1 TN ORT SHT ONSR 8 220K lo 2 4 ND SHT gt PRNTOUT 12 WUTBRD 13 e 308 85 Leon 20 y gt SREF H R26 8 18 gt SHBFT 4012 C30 22K 8 1 HAFT 325 onsH 107 8 eur 1 00 13 L SHT ii OFF SH c26 L SHT 1 so ty gt 5 8 1 7 SHT 5 03 03 3 15 1 9 LEDK DETE mm dui S08 lin cer 1 SHT 57 7 18 NOTBRD TO 17 ng CPU 16 ar DISPLAY 00 26 pg 01 27 n 02 28 po 03 28 03 Du 30 pi 05 81 ps 06 32 ps 07 33 07 SHT SHAFT FILE PCA2 PS2 SCH 4 17 87 ABBOTT LABORATORIES HOSPITAL PRODUCTS DIVISION MV Figure 9 5 Power Supply PWA Schematic PCA II DRAWING NO 249 04212 010 SHEET 6 OF 8 Technical Service Manual 9 59 430 04502 003 Rev 4 99 Section 9 DRAWINGS This page intentionally left blank 430 04502 003 Rev 4 99 9 60 PCA Plus and Plus II Series Infusers
103. REPLACEMENT 010 AND HIGHER CAUTION Use proper ESD grounding techniques when handling components Wear an antistatic wrist strap and use an ESD protected workstation Store the PWA in an antistatic bag before placing it on any surface The recommended tools for this procedure are as follows 7 64 inch Allen wrench No 2 Phillips screwdriver 1 4 inch nutdriver and 5 16 inch nutdriver To replace the motor assembly refer to Figure 7 20 Motor Assembly Replacement 010 and Higher then proceed as follows 1 2 10 11 12 Disconnect the infuser from AC power Separate the infuser front and rear case assemblies as described in Section 7 2 2 Separating Front and Rear Case Assemblies Remove the slide clamp levers as described in Section 7 3 24 Slide Clamp Lever Replacement 010 and Higher Remove the cradle assembly as described in Section 7 3 21 Cradle Assembly Replacement Disconnect the connectors from the power supply PWA and CPU display PWA Using a 5 16 inch nutdriver remove the three hex head screws that mount the slide assembly to the front case see Figure 7 21 Location of Slide Assembly Mounting Bolts Lift the slide assembly from the front case and place it on its right side on a soft surface Do not damage the vial switch plunger that protrudes from the slide assembly do not damage the injector switch wires that remain attached Remove the two 6 32 Phillips screws and nuts that hold the motor as
104. RES 7 3 27 INJECTOR SENSOR SWITCH REPLACEMENT CAUTION Use proper ESD grounding techniques when handling components Wear an antistatic wrist strap and use an ESD protected workstation Store the PWA in an antistatic bag before placing it on any surface The recommended tools for this procedure are as follows No 2 Phillips screwdriver 1 4 inch nutdriver 5 16 inch nutdriver soldering iron and solder To replace the injector sensor switch refer to Figure 7 2 Injector Sensor Switch 008 and Lower or Figure 7 3 Injector Sensor Switch 010 and Higher then proceed as follows l Disconnect the infuser from AC power 2 Separate the infuser front and rear case assemblies as described in Section 7 2 2 Separating Front and Rear Case Assemblies 3 Place the front case assembly face down on a soft surface 4 Using 3 16 inch nutdriver remove the two switch mounting screws that attach the injector sensor switch bracket as applicable and switch to the injector flange clamp Remove the injector sensor switch Note Some infusers do not contain an injector sensor switch bracket 5 Unsolder the wires from the injector sensor switch terminals 6 Solder the wires to replacement injector sensor switch as follows two black wires to center terminal and brown wire to outside switch terminal 7 Mount the injector sensor switch and switch bracket as applicable to the injector flange clamp using the screws removed in Step 4
105. S The infuser will stop delivery when any of the following alarms occur CHECK VIAL CHECK INJECTOR CHECK SYRINGE EMPTY SYRINGE OCCLUSION MALFUNCTION HL Br Zt These alarms their possible causes and corrective actions are detailed in Table 6 2 Infuser Troubleshooting 6 3 3 MALFUNCTION CODES Table 6 1 Malfunction Codes describes the malfunction codes as they appear when an alarm sounds and MALFUNCTION appears on the LCD screen Technical Service Manual 6 3 430 04502 003 Rev 4 99 Section 6 TROUBLESHOOTING Table 6 1 Malfunction Codes MALF line went low and could not Replace CPU display PWA return to normal MALF line went low and could not Replace CPU display PWA return to normal MALF line did not go low soon enough Replace CPU display PWA after power up real time operation Nonvolatile RAM checksum test failed Motor failed to rotate Lubricate lead screw o o 1 1B 1C 1D 1E 2A B 2 gt Replace power supply PWA Replace motor assembly MOTOR BAD signal from motor driver Replace power supply PWA circuitry Replace motor assembly 000000000002 Real time clock stopped Touchswitch stuck on front panel Replace front panel 4B 4C 4D 4E 4G Replace CPU display PWA COND 430 04502 003 4 99 6 4 LifeCare PCA Plus and Plus Series Infusers gt I 41 4J 4K INFUSER TROUBLESHOOTING Table 6 1 Malfunction
106. Section 5 2 11 Electrical Safety Test To verify successful replacement of the AC power cord plug perform the PVT as described in Section 5 2 7 3 14 GASKET SEAL REPLACEMENT CAUTION Use proper ESD grounding techniques when handling components Wear an antistatic wrist strap and use an ESD protected workstation Store the PWA in an antistatic bag before placing it on any surface The recommended tools for this procedure are as follows No 2 Phillips screwdriver 1 4 inch nutdriver 5 16 inch nutdriver and isopropyl alcohol To replace the gasket seal proceed as follows l Disconnect the infuser from AC power 2 Separate the infuser front and rear case assemblies as described in Section 7 2 2 Separating Front and Rear Case Assemblies Do not disconnect ribbon cables as part of this procedure 3 Set the infuser rear case assembly upright with the security door open Technical Service Manual 7 27 430 04502 003 Rev 4 99 Section 7 REPLACEABLE PARTS AND REPAIRS Remove the gasket seal and install the replacement gasket seal Wipe the replacement gasket seal with isopropyl alcohol Re assemble the infuser case assemblies in the exact reverse order of disassembly Close and lock the security door To verify successful replacement of the gasket seal perform the PVT as described in Section 52 7 3 15 POWER SUPPLY PWA REPLACEMENT CAUTION Use proper ESD grounding techniques when handling componen
107. THUMB NUT PIVOT POST BEHIND LEAD SCREW LEAD SCREW gt DIRECTION OF LEAD SCREW 95F01016 Figure 7 11 Occlusion Alarm Pressure Adjustment 010 and Higher LCD INTENSITY ADJUSTMENT CAUTION Use proper ESD grounding techniques when handling components Wear an antistatic wrist strap and use an ESD protected workstation Store the PWA in an antistatic bag before placing it on any surface The recommended tool for this procedure is a trim pot tool To adjust the LCD intensity refer to Figure 7 12 CPU Display PWA LED and LCD Assembly 1 2 Remove the power supply PWA as described in Section 7 3 15 Power Supply PWA Replacement Remove the four spacers from the CPU display PWA Lift the CPU display PWA from the front enclosure Remove the flexible circuit cable from J13 on the CPU display PWA Position the power supply PWA and the CPU display PWA so the resistor R19 adjustment screw is accessible Connect P3 of the power cable to J3 on the power supply PWA Connect the 40 pin ribbon cable to J7 on the power supply PWA CAUTION Assure the power supply PWA and the CPU display PWA remain separated during the adjustment procedure Connect the infuser to AC power Using the trim pot tool adjust resistor R19 so the LCD screen can be read from a distance of approximately three feet Disconnect the infuser from AC power Connect the flexible circuit cable to J13 Insert the CPU display PWA in the front enclosure repla
108. Table 9 2 IPB for the Infuser identifies infuser parts by index numbers that correlate to Figure 9 1 Note Figures listed in Table 9 1 are rendered as graphic representations to approximate actual product therefore figures may not exactly reflect the product Drawings and schematics in Section 9 are provided as information only drawings and schematics may not exactly reflect current product configurations Table 9 1 Drawings Figure Drawing Number Title Number IPB for the Infuser N A Block Diagram PCA II 247 04250 Interconnect Schematic PCA II 2 sheets 249 04250 Power Supply PWA Schematic PCA II 6 sheets 249 04212 Current Boost Charger Schematic MDL 4 PCA 249 04469 Interconnect PWA Schematic 249 04440 CPU PWA Schematic LC 4100 4200 Technical Service Manual 9 1 430 04502 003 Rev 4 99 Section 9 DRAWINGS Table 9 2 IPB for the Infuser Number Nomenclature Procedure Section 7 3 29 Actuator Inside Section 7 3 25 Actuator Inside Outside Section 7 3 25 Assembly Control Panel Section 7 3 33 3A Washer Lock 025 Thick SPL C STL As applicable 430 04502 003 Rev 4 99 9 2 LifeCare PCA Plus and Plus II Series Infusers 1 1 1 1 1 1 1 2 2 2 2 2 2 2 2 2 2 2 2 2 2 A B D G A B E F G H J K L M N 2 3 Table 9 2 IPB for the Infuser Number Nomenclature Procedure Support Latch Washer Lock 6 EXT As app
109. a routine maintenance procedure and no verification procedure is normally required However if the infuser may have been damaged during this procedure perform the PVT as described in Section 5 2 7 3 11 PATIENT PENDANT CONTROL CABLE REPLACEMENT To replace the patient pendant control cable disconnect the cable from the PATIENT CONTROL jack on the rear of the infuser and connect the new cable Replacement of the patient pendant control cable is a routine maintenance procedure and no verification procedure is normally required However if the infuser may have been damaged during this procedure perform the PVT as described in Section 5 2 7 3 12 AC POWER CORD REPLACEMENT The recommended tool for this procedure is a No 2 Phillips screwdriver To replace the AC power cord Refer to Figure 7 14 Replaceable Parts on Back of Infuser then proceed as follows 1 Using No 2 Phillips screwdriver remove the screw that attaches the AC power cord retaining plate to the rear of the infuser 2 Disconnect the AC power cord by grasping the plug Do not pull on the power cord 3 Replace the AC power cord by connecting it to the infuser AC power receptacle 4 Re install the power cord retaining plate with the screw removed in Step 1 430 04502 003 Rev 4 99 7 26 LifeCare PCA Plus and Plus Series Infusers REPLACEMENT PROCEDURES Replacement of the AC power cord is a routine maintenance procedure and no additional verification proced
110. ap from the solder joints and unsolder the wires 5 Remove the piezoelectric alarm 6 Slip one inch of 1 8 inch shrink tubing over the gray and white wires on the wire harness 7 Solder the red wire of the replacement piezoelectric alarm to the gray wire on the harness Solder the black wire of the replacement piezoelectric alarm to the white wire on the harness 8 Slip the shrink tubing over the solder joints and shrink into place 9 Mount the piezoelectric alarm to the control panel with the screws removed in Step 3 Place the clamp around the harness wires routed to the rear of the printer connector on the control panel Attach the plastic cable clip with the upper screw 10 Install a new tie wrap on the wire harness use care to place it in the same location 11 Re assemble the infuser case assemblies in the exact reverse order of disassembly 12 Close and lock the security door To verify successful replacement of the piezoelectric alarm perform the PVT as described in Section 5 2 430 04502 003 Rev 4 99 7 48 LifeCare PCA Plus Plus Series Infusers REPLACEMENT PROCEDURES 7 3 35 PATIENT PENDANT JACK REPLACEMENT CAUTION Use proper ESD grounding techniques when handling components Wear an antistatic wrist strap and use an ESD protected workstation Store the PWA in an antistatic bag before placing it on any surface This procedure applies to infusers with final assembly numbers 850 04250 002 through 007
111. arm sending the SYRINGE LOSW signal to the power supply supply PWA Further downward movement causes the shorter of the two bracket arms the outer arm to press the actuator arm on the outer switch the syringe empty switch which sends the SYRINGE EMPTYSW signal to the power supply supply PWA Note Later configurations of 008 and lower have one bracket arm containing both actuators allowing both the syringe low and syringe empty alarms to be adjusted with a single adjustment on the one bracket arm The SYRINGE LOSW signal occurs when the distance between the bottom of the syringe vial stop and the bottom of the syringe injector flange groove is 4 628 0 062 inches 11 57 0 155 centimeters cm which indicates approximately 5 mL of fluid is left in the vial The SYRINGE LOSW signal generates the syringe low alarm and the LOW SYRINGE message on the LCD The SYRINGE EMPTYSW signal occurs when the distance between the bottom of the syringe vial stop and the bottom of the syringe injector groove is 4 328 0 062 inches 10 82 0 155 which indicates approximately 1 mL remaining in the vial The SYRINGE EMPTYSW signal generates the syringe empty alarm and the EMPTY SYRINGE message on the LCD On infusers with final assembly number 010 and higher the slide block moves down on the switch causing the switch arm to activate the syringe empty switch Note Infusers with final assembly number 010 and higher do not have a syringe lo
112. ary injector plunger moves further into the vial Fluid in the vial is forced into the administration set in an amount proportional to the downward movement of the cradle and slide mechanism 43 2 SYRINGE LOW AND SYRINGE EMPTY ALARM SYSTEM Note Software version 3 1 and higher deactivates the syringe low switch A syringe status microswitch mounted to the slide assembly provides a signal to the power supply supply PWA when activated by the downward movement of the cradle assembly see Figure 4 3 Syringe Low and Syringe Empty Alarm System 008 and Lower and Figure 4 4 Syringe Empty Alarm System 010 and Higher When activated the syringe empty switch sends the SYRINGE EMPTYSW signal to data buffer U8 on the power supply PWA Data buffer 08 places switch status data on the microprocessor data bus as data bits D1 and D2 for processing by the CPU Display PWA microprocessor when the buffer is gated by SWSTSEL Technical Service Manual 4 13 430 04502 003 Rev 4 99 Section 4 MECHANICS OVERVIEW On infusers with final assembly number 008 and lower two bracket arms attach to the slide block two syringe status microswitches mount on a bracket attached to the base of the slide assembly The two bracket arms are oriented to the switches so that downward movement of the slide block causes the bracket arms to press against actuator arms on the switches The inner microswitch the syringe low switch is closed first by the longer innermost
113. assemble the infuser in the exact reverse order of disassembly 9 Close and lock the security door To verify successful adjustment of the syringe low switch perform the PVT as described in Section 5 2 7 2 6 SYRINGE EMPTY SWITCH ADJUSTMENT CAUTION Use proper ESD grounding techniques when handling components Wear an antistatic wrist strap and use an ESD protected workstation Store the PWA in an antistatic bag before placing it on any surface The recommended tools for this procedure are as follows No 2 Phillips screwdriver 1 4 inch nutdriver 3 16 inch nutdriver 5 16 inch nutdriver syringe limit gauge and red GLPT insulating varnish To adjust the syringe empty switch refer to Figure 7 6 Syringe Empty Switch 008 and Lower or Figure 7 7 Syringe Empty Switch 010 and Higher then proceed as follows 1 Disconnect the infuser from AC power 2 Separate the infuser front and rear case assemblies as described in Section 7 2 2 Separating Front and Rear Case Assemblies 3 Install the syringe limit gauge in the cradle Squeeze the cradle clamps and move the cradle until the dial reads approximately 0 3 inch When the LCD screen displays PURGE THE SYSTEM NOW press the YES ENTER touchswitch Purge the system until the gauge reads approximately 0 39 inch If the empty syringe alarm is activated before the system is purged loosen the syringe empty adjustment screws and move the switch bracket up until the switch clicks of
114. bricate the vial with silicone oil before each use Attach the DPM to the distal end of the administration set through the three way stopcock Allow the infuser self test to complete When the LCD screen displays PURGE THE SYSTEM NOW press SILENCE NO touchswitch When the LCD screen displays DRUG Rx MORPHINE 1 MG ML YES OR NO press the YES ENTER touchswitch When the LCD screen displays ADMINISTER LOADING DOSE NOW press the YES ENTER touchswitch Select loading dose of 5 mg Press the YES ENTER touchswitch then press the LOADING DOSE touchswitch Observe fluid discharge at the end of the stopcock then close the stopcock 10 Verify the infuser sounds an alarm and flashes the OCCLUSION message when the pressure gauge indicates the following 008 and lower 14 0 to 19 0 psig 96 6 to 131 1 kPa 010 and higher 12 5 to 17 5 psig 86 25 to 120 75 kPa Open the stopcock to clear the OCCLUSION alarm Press the HISTORY touchswitch and check for correct time if incorrect refer to the system operating manual for information on resetting the time Clear all dose history data from memory by holding down the OFF RECHG touchswitch until the LCD screen including the backlighted grid goes blank REMOVE AND DISCARD TOP TWO RIBS CUT HERE ee 95 01015 Figure 5 1 Modification of Syringe Plunger Technical Service Manual 5 7 430 04502 003 Re
115. c LIFECARE 4100 95701003 Figure 7 9 Occlusion Alarm Test Setup 7 2 7 3 OCCLUSION ALARM SWITCH AND PRESSURE ADJUSTMENT 008 AND LOWER CAUTION Use proper ESD grounding techniques when handling components Wear an antistatic wrist strap and use an ESD protected workstation Store the PWA in an antistatic bag before placing it on any surface To adjust the occlusion alarm switch and pressure refer to Figure 7 10 Occlusion Alarm Pressure Adjustment 008 and Lower then proceed as follows l Separate the infuser front and rear case assemblies as described in Section 7 2 2 Separating Front and Rear Case Assemblies 2 Examine the position of the occlusion alarm switch If the switch button is in contact with the switch actuator proceed to Step 5 If the switch button is not making contact with the switch actuator loosen the bracket locknut at the top of the bracket using an 11 32 inch open end wrench 3 Using a 9 32 inch Allen wrench adjust the set screw so the switch button makes contact with the switch actuator but does not open the switch 4 Retighten the bracket locknut using the 11 32 inch open end wrench and apply red GLPT insulating varnish to prevent the set screw from turning 430 04502 003 Rev 4 99 7 14 LifeCare PCA Plus and Plus Series Infusers 10 11 12 ADJUSTMENT PROCEDURES Usinga 5 16 inch open end wrench loosen thelower locknut below the compre
116. ce the four spacers Technical Service Manual 7 17 430 04502 003 Rev 4 99 Section 7 REPLACEABLE PARTS AND REPAIRS 7 Replace the power supply PWA in the exact reverse order of its removal To verify successful adjustment of the LCD intensity perform the PVT as described in Section 5 2 ADHESIVE BACKED PLASTIC INSULATOR LCD DISPLAY ASSEMBLY STANDOFF 4 LED LCD RIBBON socket d 40 PIN RIBBON CABLE AT a ET J15 ST S TP 7 iS lt lt 277 ADJUSTMENT SCREW Z EK 0 POWER CPU DISPLAY PWA LA SUPPLY PWA 95F01020 Figure 7 12 CPU Display PWA LED and LCD Assembly 7 2 9 SETTING THE REAL TIME CLOCK PCA PLUS II No tools are required for this procedure The PCA Plus II Series Infuser real time clock tracks time Infuser operations require that the real time clock be operating properly The real time clock must be set under the following circumstances Initial installation Time change Following complete battery discharge At start up after successful completion of the self test the time and date are displayed on the LCD screen To reset the real time clock proceed as follows 430 04502 003 Rev 4 99 7 18 LifeCare PCA Plus Plus Series Infusers U Ne ON OU 10 11 12 13 14 ADJUSTMENT PROCEDURES Press the NO touchswitch to advance beyond the CLEAR screen Press the NO touchswitch to advanc
117. ct the ribbon cables to the power supply PWA 11 Replace the slide clamp knobs levers removed in Step 4 12 Replace the cradle assembly removed in Step 3 13 Adjust the following switches using the procedures described in the corresponding sections Injector sensor switch Section 7 2 3 430 04502 003 Rev 4 99 7 44 LifeCare PCA Plus and Plus Series Infusers REPLACEMENT PROCEDURES Vialsensor switch Section 7 2 4 Syringe low switch as applicable Section 7 2 5 Syringe empty switch Section 7 2 6 Occlusion pressure switch Section 7 2 7 4 14 Re assemble the infuser case assemblies in the exact reverse order of disassembly 15 Close and lock the security door To verify successful replacement of the slide assembly perform the PVT as described in Section 5 2 7 2 32 INJECTOR FLANGE CLAMP REPLACEMENT CAUTION Use proper ESD grounding techniques when handling components Wear an antistatic wrist strap and use an ESD protected workstation Store the PWA in an antistatic bag before placing it on any surface Two configurations of injector flange clamps are used depending on the final assembly number of the infuser This procedure may be followed for both configurations The recommended tools for this procedure are as follows No 2 Phillips screwdriver 1 4 inch nutdriver 3 16 inch nutdriver and 5 16 inch nutdriver To replace the injector flange clamp refer to Figure 7 17 Cradle Assembly Replacemen
118. des one of the following options selection PCA Plus 1 Clock format 12 hour only 12 24 hour 2 Clock format 24 hour clock selection PCA Plus Il Series Select RX Selection provides one of the following options concentration 1 Milligrams only 3 1 software and 2 Milligrams and micrograms higher 3 Drugs milligrams and micrograms 5 2 5 DELIVERY ACCURACY TEST To perform the delivery accuracy test proceed as follows l Using a PCA vial syringe with a primed PCA administration set and a 21 gauge butterfly insert the vial into the infuser vial holder and injector cradle 2 Purge the infuser at start up then set up the infuser for 1 mg mL Place the butterfly in the graduate Initiate two loading doses of 10 mL each 3 Verify the infuser delivers 20 1 mL in the graduate 430 04502 003 Rev 4 99 5 6 LifeCare PCA Plus and Plus Series Infusers 5 2 6 PERFORMANCE VERIFICATION TEST OCCLUSION TEST To perform the occlusion test proceed as follows 1 11 12 13 Remove the plunger from the syringe Using X acto knife cut the two top ribs off the syringe plunger as shown in Figure 5 1 Modification of Syringe Plunger Make certain that no rough material is loose on the plunger Apply a light coating of silicone oil to the remaining rib Replace the plunger in the syringe Insert the water filled modified vial with the primed PCA administration set into the cradle assembly Lu
119. e Battery damage can occur in a matter of hours and cause a permanent loss of battery capacity The amount of lost capacity depends on the degree of discharge the storage temperature and the length of time the battery was stored in a discharged state Note A permanently damaged battery cannot be recharged to full capacity 430 04502 003 Rev 4 99 4 18 LifeCare PCA Plus and Plus Series Infusers BATTERY OPERATION OVERVIEW When the battery discharges below an acceptable level while the infuser is operating an alarm sounds and the LOW BATTERY message displays Although it is not recommended to continue operating the infuser on battery power at this point the battery will continue providing power until discharged at this point the infuser enters the battery discharged mode and operation ceases CAUTION As soon as the LOW BATTERY alarm occurs connect the infuser to AC power Recharging occurs any time the infuser is connected to AC power It is recommended that the infuser be connected to AC power whenever practicable to maximize available battery charge during patient transport or ambulation The power switch does not have to be on for the battery to recharge Recharging while the infuser is operating is rate dependent Technical Service Manual 4 19 430 04502 003 Rev 4 99 Section 4 BATTERY OPERATION OVERVIEW This page intentionally left blank 430 04502 003 Rev 4 99 4 20 LifeCare PCA Plus and Plus Series Infusers
120. e 15 conductor diagnostic cable refer to Figure 7 16 15 Conductor Diagnostic Cable then proceed as follows l Disconnect the infuser from AC power 2 Separate the infuser front and rear case assemblies as described in Section 7 2 2 Separating Front and Rear Case Assemblies 3 Disconnect the diagnostic cable from J9 on the power supply PWA 4 Using a 3 16 inch nutdriver and a flat blade screwdriver remove the two hex head screws and nuts that retain the diagnostic connector on the transformer receptacle assembly 5 Disconnect the cable from the diagnostic connector and remove it from the adhesive pad above the AC power connector next to the battery case If the adhesive pad is worn remove and replace it 6 Pressthe connector on the replacement cable into place on the diagnostic connector use caution not to bend the connector pins Snap the retainer clip into position on the diagnostic connector 7 Fold the cable 90 degrees and press it on the adhesive pads to assure clearance of the slide assembly during re assembly see Figure 7 16 8 Re assemble the infuser case assemblies in the exact reverse order of disassembly 9 Close and lock the security door To verify successful replacement of the 15 conductor diagnostic cable perform the PVT as described in Section 5 2 430 04502 003 Rev 4 99 Tea LifeCare PCA Plus and Plus II Series Infusers rd Seat REPLACEMENT PROCEDURES BATTERY CASE TO POWER SUPPLY J9
121. e beyond the PURGE SYSTEM NOW screen Press the YES ENTER touchswitch to select the first available drug screen Press the NO touchswitch to advance beyond the ADMINISTER LOADING DOSE Screen Press the YES ENTER touchswitch to select PCA ONLY mode Press the YES ENTER touchswitch to select the displayed PCA dose Press the YES ENTER touchswitch to select the displayed LOCKOUT INTERVAL Press the NO touchswitch to advance beyond the 4 HOUR DOSE LIMIT Press the REVIEW CHANGE touchswitch to advance beyond the PCA SETTINGS Screen Press the NO touchswitch to advance beyond the CHANGE ANY SETTINGS screen Press the YES ENTER touchswitch to select the CHANGE screen to reset time and date Note If the fields stop flashing before the correct time and date are set press the NO touchswitch to restart the flashing Press the or touchswitch to enter the correct value Press the REVIEW CHANGE touchswitch to advance the flashing field to the next field to be changed When all fields have been set the LCD screen displays ACCEPT Press the YES ENTER touchswitch to accept the values Setting the real time clock is a routine maintenance procedure and no verification procedure is normally required However if the infuser may have been damaged during this procedure perform the PVT as described in Section 5 2 7 2 10 DOOR LOCK SWITCH ADJUSTMENT The recommended tool for th
122. e nut securing the ground wire green with yellow stripe to the front panel The nut may be hidden by the ribbon cable connecting the bottom of the two PWAs Disconnect connectors J4 45 46 and 47 on the power supply PWA Re assemble the infuser in the exact reverse order of disassembly Close and lock the security door To verify successful separation and re assembly of the infuser front and rear case assemblies perform the PVT as described in Section 5 2 430 04502 003 Rev 4 99 7 4 LifeCare PCA Plus and Plus Series Infusers ADJUSTMENT PROCEDURES REAR COVER ym L wu jm CASE TTACHMENT SCREW 4 FRONT COVER REAR VIEW FRONT VIEW 95F01005 Figure 7 1 Separating Front and Rear Case Assemblies 7 2 3 INJECTOR SENSOR SWITCH ADJUSTMENT CAUTION Use proper ESD grounding techniques when handling components Wear an antistatic wrist strap and use an ESD protected workstation Store the PWA in an antistatic bag before placing it on any surface The injector sensor switch is adjustable on most PCA Plus Series Infusers with final assemblies 850 04250 002 through 850 04250 008 PCA Plus II Series Infusers with final assemblies 850 04250 010 and higher do not contain an injector sensor switch bracket therefore the injector switch is no
123. e security door is locked and the infuser is in PCA or PCA CONTINUOUS mode 4 HR LIM REACHED Displays if four hour dose limit is enabled and the limit is reached with security door locked 430 04502 003 Rev 4 99 4 2 LifeCare PCA Plus and Plus Series Infusers ELECTRONICS OVERVIEW Table 4 1 Status Messages and Definitions ST Indicates that patient can initiate a dose in PCA or PCA CONTINUOUS mode Displays when infuser is in PCA mode CONTINUOUS Displays when infuser is in CONTINUOUS mode PCA CONTINUOUS Displays when infuser is delivering a PCA dose in addition to a continuous delivery in the PCA CONTINUOUS mode ELECTRONICS OVERVIEW For interconnect diagrams of the LifeCare PCA Plus and Plus II Series Infuser see Figure 9 3 Interconnect Schematic PCA II Note A vinculum overscore above a signal designation e g BWR denotes an active low signal The infuser electronics system contains the CPU display printed wiring assembly PWA and the power supply PWA The microprocessor on the CPU display PWA communicates with components on both PWAs through an 8 bit data bus D7 DO and a 16 bit address bus 15 0 Low level signals from the front panel touchswitches and sensor switches are input directly by the CPU display PWA where they are placed in buffers on the microprocessor data bus Data buffers on the CPU display PWA also receive input from the power supply PWA Primary AC power is routed through
124. e three hex head bolts removed in Step 4 mount the replacement slide assembly on the front case Lubricate the lead screw with grease Re install the occlusion pressure switch syringe low switch syringe empty switch and vial sensor switch in the exact reverse order of disassembly Re attach the plastic cable clamp removed in Step 7 on the replacement slide assembly Re install the cradle assembly and the slide clamp knobs and levers in the exact reverse order of disassembly Adjust the following switches using the procedures described in the corresponding sections Injector sensor switch Section 7 2 3 Vial sensor switch Section 7 2 4 Technical Service Manual 7 43 430 04502 003 Rev 4 99 Section 7 REPLACEABLE PARTS AND REPAIRS Syringe low switch as applicable Section 7 2 5 Syringe empty switch Section 7 2 6 Occlusion pressure switch Section 7 2 7 3 16 Re assemble the infuser case assemblies in the exact reverse order of disassembly 17 Close and lock the security door To verify successful replacement of the slide assembly perform the PVT as described in Section 5 2 Loval SLIDE ASSEMBLY REPLACEMENT 010 AND HIGHER CAUTION Use proper ESD grounding techniques when handling components Wear an antistatic wrist strap and use an ESD protected workstation Store the PWA in an antistatic bag before placing it on any surface The recommended tools for this procedure are as follows 9 64 inch Alle
125. ection 9 DRAWINGS This page intentionally left blank 430 04502 003 Rev 4 99 9 50 PCA Plus and Plus II Series Infusers SHT 1 55V J8 17 STRUBE m 51 PAD 2 0103 55 gii DO 0704 01 33101 Pau WO ELON 85 B172 02 32 p2 pas RIS 03 31 6 38 SIODIR E 113 MOTOR DU 30 pn7 37 STROBE MONITOR 56 D 18 80 DRIVERS 06 28 De 1 19 R32 07 27 57 pB2 20 82 25 8115 NL AD 9 PB3 ae ES TO 15 47K 15 wor PRINTER T mne PBS I gt am DRTRWRY 1 6298 5 u7 R28 PRWTR PORT
126. ector improperly installed or missing Approximately 5 mL of solution remaining in syringe Message occurs too soon or too late Syringe empty approximately 1 mL may remain Alarm occurs too soon or too late Security door closed and locked before setup was complete Four hour dose limit is set less than PCA dose Security door has been left open for more than two minutes without a touchswitch being pressed Infuser does not sense door closure Properly insert syringe in the cradle see system operating manual Replace injector sensor switch see Section 7 3 27 or vial sensor switch see Section 7 3 22 Note alarm and press SILENCE NO touchswitch to silence alarm Adjust syringe low switch see Section 7 2 5 Press SILENCE NO touchswitch to silence alarm Unlock and open security door remove empty syringe and turn infuser off Prepare and insert vial injector Complete setup see system operating manual Adjust syringe empty switch see Section 7 2 6 Open security door and assure settings are properly entered Confirm PCA dose is less than or equal to four hour dose limit Close and lock security door after all parameters are entered Adjust door latch mechanism Replace door lock switch see Section 7 3 41 LifeCare PCA Plus and Plus Series Infusers INFUSER TROUBLESHOOTING Table 6 2 Infuser Troubleshooting Alarm Message Possible Corrective Fault Symptom Cause Actio
127. ecurity door To verify successful replacement of the injector flange clamp perform the PVT as described in Section 5 2 7 3 33 PRINTER DATAWAY CONNECTOR AND CONTROL PANEL HARNESS REPLACEMENT CAUTION Use proper ESD grounding techniques when handling components Wear an antistatic wrist strap and use an ESD protected workstation Store the PWA in an antistatic bag before placing it on any surface The recommended tools for this procedure are as follows No 2 Phillips screwdriver 3 16 inch nutdriver 1 4 inch nutdriver 5 16 inch nutdriver 5 16 inch box wrench 1 2 inch box wrench and small flat blade screwdriver To replace the printer Dataway connector and control panel harness refer to Figure 7 22 Printer Dataway Connector Control Panel Harness and Piezoelectric Alarm Replacement then proceed as follows 1 2 Disconnect the infuser from power Separate the infuser front and rear case assemblies as described in Section 7 2 2 Separating Front and Rear Case Assemblies Place the infuser rear case assembly on a soft surface with interior facing up 4 Disconnect the harness connector from J8 on the power supply PWA 10 11 12 13 14 Pull the adhesive backed tie wrap clamp from the rear case Cut and remove the tie wrap that attaches the door lock switch wires to the rear case Using a small flat blade screwdriver and a 1 4 nutdriver remove the two screws that attach the door lock sw
128. een stripe to the tip terminal 9 Using a 1 2 inch box wrench remove the retainer nut that attaches the patient pendant jack to the control panel 10 Remount the control panel on the rear case with the eight Phillips screws removed in Step 4 11 Replace the adhesive backed tie wrap clamp on the inside of the rear case use care to place it in the same location 12 Re assemble the infuser case assemblies in the exact reverse order of disassembly 13 Close and lock the security door To verify successful replacement of the patient pendant jack perform the PVT as described in Section 5 2 Technical Service Manual 7 49 430 04502 003 Rev 4 99 Section 7 REPLACEABLE PARTS AND REPAIRS 7 3 36 AUDIBLE LEVEL SWITCH REPLACEMENT CAUTION Use proper ESD grounding techniques when handling components Wear an antistatic wrist strap and use an ESD protected workstation Store the PWA in an antistatic bag before placing it on any surface This procedure applies to infusers with final assembly numbers 850 04250 002 through 007 Infusers with final assembly number 850 04250 008 and higher require replacement of the Interconnect PWA if the audible level switch is defective see Section 7 3 37 Interconnect PWA Replacement The recommended tools for this procedure are as follows No 2 Phillips screwdriver 1 4 inch nutdriver 5 16 inch nutdriver soldering iron and solder To replace the audible level switch proceed as follows 1
129. en proceed as follows l Disconnect the infuser from AC power 2 Place the infuser face down on a soft surface and remove the 6 32 x 1 4 inch flat head Phillips screw that attaches the AC power cord retaining plate to the infuser rear case 3 To access the fuses remove the AC power cord from its receptacle by grasping the plug Do not pull on the cord 4 Locate the plastic fuseholder directly above the AC power receptacle Insert a small flat blade screwdriver between the locking tab at one end the fuseholder and the infuser housing Press the tab toward the center of the fuseholder to release it The fuseholder will move slightly outward when released from the one side 5 Repeat Step 4 to release the other locking tab The spring loaded fuseholder will release and move outwards Grasp both locking tabs and remove the fuseholder from the receptacle 6 Remove fuses and replace with approved fuses only see Section 8 Specifications Do not use any other fuse types 7 Insert the fuseholder into the receptacle then press the fuseholder against the locking tabs until it clicks into position 8 Replace the AC power cord by connecting it to the infuser AC power receptacle 9 Re install the AC power cord retaining plate with the screw removed in Step 2 To verify successful replacement of the fuses perform the PVT as described in Section 5 2 Technical Service Manual 7 23 430 04502 003 Rev 4 99 Section 7 REPLACEABLE PARTS
130. ent on PCA Plus II Series Infusers The recommended tools for this procedure are as follows small flat blade screwdriver No 2 Phillips screwdriver 1 4 inch nutdriver 5 16 inch nutdriver soldering iron solder and small tie wrap To replace the syringe low or syringe empty switch refer to Figure 7 4 Vial Sensor Switch and Syringe Low Switch 008 and Lower Figure 7 6 Syringe Empty Switch 008 and Lower or Figure 7 7 Syringe Empty Switch 010 and Higher then proceed as follows 1 Disconnect the infuser from AC power 2 Separate the infuser front and rear case assemblies as described in Section 7 2 2 Separating Front and Rear Case Assemblies 3 Place the front case assembly face down on a soft surface 4 008 and lower only Using a 1 4 inch nutdriver or a standard screwdriver remove the two screws from the switch mounting bracket Remove the switch mounting bracket 5 Using asmall flat blade screwdriver and a 1 4 inch nutdriver remove the two screws that attach the switches to the mounting bracket 6 Cut and remove the tie wrap that ties the switch wires to the wiring harness Unsolder the wires from the switch Note The syringe low switch is mounted next to the mounting bracket and the syringe empty switch is mounted on top of the syringe low switch 7 Solder the wires to the replacement switch as follows black wire common to the center terminal of both switches yellow wire to the top terminal of the s
131. er from AC power 2 Separate the infuser front and rear case assemblies as described in Section 7 2 2 Separating Front and Rear Case Assemblies 3 Move the cradle to the top ofits travel path Usinga 3 32 inch Allen wrench remove the two Allen screws and lock washers that secure the lever of the left slide clamp knob 4 Remove the two Allen screws and lock washers that secure the lever of the right slide clamp knob Press the two knobs together and remove them Slowly release the tension of the springs between the slide clamp knobs Note the configuration of the spring assembly two per handle and spring retainer sleeves Technical Service Manual 7 35 430 04502 003 Rev 4 99 Section 7 REPLACEABLE PARTS AND REPAIRS Install the spring and spring retainer in the replacement knob Press the knobs together and re install Re assemble the infuser case assemblies in the exact reverse order of disassembly oe MI Close and lock the security door To verify successful replacement of the slide clamp knob and lever perform the PVT as described in Section 5 2 LEFT SIDE CLAMP HANDLE ALLEN SCREWS RIGHT SIDE CLAMP HANDLE ALLEN SCREWS 95F01022 Figure 7 18 Location of Slide Clamp Handle Allen Screws 008 and Lower 7 3 24 SLIDE CLAMP LEVER REPLACEMENT 010 AND HIGHER CAUTION Use proper ESD grounding techniques when handling components Wear an antistatic wrist strap and use an ESD protected workstation Store
132. er to Figure 7 1 Separating Front and Rear Case Assemblies then proceed as follows 1 2 3 Disconnect the infuser from AC power Set the infuser upright on a flat surface Confirm the security door is unlocked Using a No 2 Phillips screwdriver remove the AC power cord retaining plate by removing the screw that attaches the retaining plate to the back of the infuser Using a No 2 Phillips screwdriver remove the long flat head Phillips screws from each corner of the infuser rear case assembly Separate the front case assembly from the rear case assembly Disconnect the 28 pin 2 row connector from J8 on the power supply PWA Note Prior to disconnecting a connector verify it is numbered If the connector contains no identifier number it with a permanent marker Disconnect the 16 pin connector from J9 on the power supply PWA 8 Disconnect the 4 pin connector from J3 on the power supply PWA 10 11 12 13 14 15 8 1 Series only Disconnect the 4 pin and 6 pin ribbon cables from J1 and J2 on the battery boost charger PWA at the back of the rear case assembly Note Ribbon cables are hard wired to the power supply PWA Do not damage the cables when disconnecting them Place the front assembly on the work surface Using a 5 16 inch nutdriver remove the nut and star lockwasher securing the ground wire green with yellow stripe to the motor gear case Using a 5 16 inch nutdriver remove th
133. ew rear case The serial number is located on the back of the infuser Abbott Laboratories will place a duplicate serial number label on the replacement rear case The recommended tools for this procedure are as follows No 2 Phillips screwdriver 3 16 inch nutdriver 1 4 inch nutdriver 5 16 inch nutdriver 5 16 inch box wrench 1 2 inch box wrench and small flat blade screwdriver To replace the rear case proceed as follows 1 Disconnect the infuser from AC power 2 Verify that the serial number on the replacement rear case matches the serial number on the original rear case 3 Separate the infuser front and rear case assemblies as described in Section 7 2 2 Separating Front and Rear Case Assemblies 4 Remove the following using the procedures described in the corresponding sections Battery pack cover Section 7 3 4 Battery pack Section 7 3 5 Pole clamp assembly Section 7 3 7 Velcro strap and retainer plate Section 7 3 8 Security door Section 7 3 9 AC power cord Section 7 3 12 AC power cord plug Section 7 3 13 Printer Dataway connector and control panel harness Section 7 3 33 Battery Boost charger PWA if applicable Section 7 3 39 Technical Service Manual 7 59 430 04502 003 Rev 4 99 Section 7 REPLACEABLE PARTS AND REPAIRS Doorlock switch Section 7 3 41 Door lock assembly Section 7 3 42 5 Re assemble the rear case assembly in the exact reverse order of disassembly
134. f and the alarm stops 4 Loosen the adjustment screws as necessary Move the switch bracket down slowly until the switch clicks on Tighten the screws 5 Adjust the cradle until the gauge dial reads approximately 0 3 inch Set the infuser for PCA only mode delivery When the LCD screen displays SELECT MODE PCA ONLY press the YES ENTER touchswitch 6 Set a PCA dose of 5 mg 7 Close and lock the security door 8 When three asterisks appear on the LCD screen press the patient pendant pushbutton 9 Verify the empty syringe alarm occurs when the dial reads between 0 39 and 0 41 inch If the alarm does not occur within these parameters return to Step and vary the setting to less than or greater than 0 39 inch as appropriate 10 Tighten the screws Apply red GLPT insulating varnish to the screw heads 430 04502 003 Rev 4 99 7 10 LifeCare PCA Plus and Plus II Series Infusers ADJUSTMENT PROCEDURES 11 Re assemble the infuser in the exact reverse order of disassembly 12 Close and lock the security door To verify successful adjustment of the syringe empty switch perform the PVT as described in Section 5 2 SYRINGE EMPTY BRACKET ARM DIRECTION OF TRAVEL SYRINGE LOW BRACKET ARM SYRINGE EMPTY SYRINGE LOW SWITCH ARM SWITCH ARM 95F01014 Figure 7 6 Syringe Empty Switch 008 and Lower Technical Service Manual 7 11 430 04502 003 Rev 4 99 Section 7 REPLACEABLE PARTS AND REPAIRS DIRE
135. fuser begins a warm start or a cold start sequence depending on the time elapsed since the OFF RECHG touchswitch was last pressed 4 1 1 1 WARM START SEQUENCE The infuser initiates a warm start sequence if it is powered on within 60 minutes of previous operation In the warm start sequence all previous therapy parameters and dose history information are retained in memory Before the infuser can operate previous settings must be confirmed or cleared If previous settings are cleared the user must program the infuser with new therapy parameters 4112 COLD START SEQUENCE The infuser initiates a cold start sequence if it is powered on after 60 minutes since previous operation The infuser also initiates a cold start sequence if the touchswitch is pressed for approximately four seconds to clear all memory After 60 minutes most major electronic circuits turn off and all therapy settings and dose history data are lost During a cold start sequence a self test is performed to verify the functional integrity of the infuser After successful completion of the self test the infuser must be reprogrammed with new therapy parameters Technical Service Manual 4 1 430 04502 003 4 99 Section 4 GENERAL FUNCTIONS 4 1 2 SETUP During setup the liquid crystal display LCD screen displays prompts for each step of programming the infuser The infuser must be programmed before it will operate 4 1 3 DE
136. h and rotate the cable three to four times while bending it approximately 30 degrees Verify the DMM continues to display continuity 6 Press and hold the patient pendant switch Grasp the patient pendant cable approximately 4 inches 10 cm above the phone plug and rotate the cable three to four times while bending it approximately 30 degrees Verify the DMM continues to display continuity 7 Release the patient pendant switch Verify the DMM displays infinity maximum resistance 8 Connect the patient pendant cable to the patient control jack Secure the locking nut if applicable Technical Service Manual 5 9 430 04502 003 Rev 4 99 Section 5 MAINTENANCE AND SERVICE TESTS 5 2 10 BATTERY CHARGER TEST To perform the battery charger test proceed as follows WU 5 2 11 Disconnect infuser from AC power Remove the battery cover and disconnect the battery Connect the parallel network to the charging circuit connector Connect the infuser to AC power Power on the infuser Measure voltage across the network the DMM should read 9 4 0 15 VDC 14 5 2 VDC with a battery boost charger PWA Note The infuser must be powered on before obtaining the DMM reading Note See Section 4 2 3 Battery Boost Charger PWA to identify infuser configurations with a battery boost charger PWA Remove the parallel network Reconnect and re install the battery make certain the battery wires are not pinc
137. h that the switch bracket rocks from side to side 4 Place the switch bracket upright Move the switch up slowly until it clicks off then move the switch down slowly until it clicks on Move the switch down further Technical Service Manual 447 430 04502 003 Rev 4 99 Section 7 REPLACEABLE PARTS AND REPAIRS approximately 1 16 inch to verify the switch detects a vial Tighten the screws while keeping the switch bracket level 5 Apply red GLPT insulating varnish to the screw heads 6 Re assemble the infuser in the exact reverse order of disassembly 7 Close and lock the security door To verify successful adjustment of the vial sensor switch perform the PVT as described in Section 5 2 VIAL SENSOR ROD SYRINGE LOW SWITCH VIAL SENSOR SWITCH ACTUATOR ARM SYRINGE EMPTY ADJUSTMENT SCREWS FOR VIAL SENSOR SWITCH VIAL SENSOR SWITCH SWITCH BRACKET 95F01012 Figure 7 4 Vial Sensor Switch and Syringe Low Switch 008 and Lower 430 04502 003 Rev 4 99 HE LifeCare PCA Plus and Plus II Series Infusers ADJUSTMENT PROCEDURES VIAL SENSOR SWITCH VIAL SENSOR ROD VIAL SENSOR SWITCH ACTUATOR ARM 95F01013 Figure 7 5 Vial Sensor Switch 010 and Higher 7 2 5 SYRINGE LOW SWITCH ADJUSTMENT PCA PLUS ONLY CAUTION Use proper ESD grounding techniques when handling components Wear an antistatic wrist strap and use an ESD protected workstation Store the PWA in an antistatic bag before placing it
138. he PVT as described in Section 5 2 OCCLUSION ADJUSTMENT BRACKET SET SCREW LOCKNUT ALARM SWITCH NOT SHOWN gt COMPRESSION ADJUSTMENT LOCKNUTS TOP PLATE LEFT SWITCH CLAMP LEVER ACTUATOR SWITCH BUTTON SPRING RIGHT CLAMP LEVER DIRECTION OF LEAD SCREW 95F01037 Figure 7 10 Occlusion Alarm Pressure Adjustment 008 and Lower Technical Service Manual 7 15 430 04502 003 Rev 4 99 Section 7 REPLACEABLE PARTS AND REPAIRS 7 2 7 4 OCCLUSION ALARM SWITCH AND PRESSURE ADJUSTMENT 010 AND HIGHER To adjust the occlusion alarm switch and pressure refer to Figure 7 11 Occlusion Alarm Pressure Adjustment 010 and Higher then proceed as follows 1 2 8 9 Separate the infuser front and rear case assemblies as described in Section 7 2 2 Separating Front and Rear Case Assemblies Examine the position of the occlusion alarm switch If the switch actuator is in contact with the switch button proceed to Step 3 If the switch actuator is not making contact with the switch button use a No O Phillips screwdriver to loosen the screw on the switch actuator Adjust the screw until the switch actuator contacts the switch button but does not trip the switch Connect the cables from the rear case assembly to the PWAs and slide assembly to allow the infuser to operate with the case open Support the front case assembly to keep it upright for the adjustment procedure In
139. he LCD screen CAUTION For those patients who are likely to be adversely affected by unintended operations and failures including interrupted medication or fluid delivery from the device close supervision and provision for immediate corrective action should be provided CAUTION Do not return the infuser to service after an alarm or malfunction without determining and correcting the cause of the alarm or malfunction 430 04502 003 Rev 4 99 6 2 LifeCare PCA Plus and Plus Series Infusers ALARM AND DISPLAY MESSAGE OVERVIEW 6 3 1 AUDIBLE ALARMS The infuser sounds an alarm in the event of any abnormal condition The alarm volume can be set to LOW MEDIUM or HIGH by a three way switch on the back of the infuser The infuser produces five different tones as follows l A single short tone indicates the infuser senses a touchswitch being pressed 2 Two short tones indicate the start of a power up sequence 3 Three short tones indicate that a touchswitch was pressed that is invalid for the infuser s current state of operation or is not an allowable response to a prompt on the LCD screen 4 Two short tone long tone sequences repeating every few seconds indicate alarm condition The LCD screen displays the type of alarm in flashing letters 5 A continuous tone indicates an infuser malfunction The LCD screen may or may not display further information depending on the malfunction 6 3 2 ALARM CAUSES AND ACTION
140. he PVT should be used for performance verification before an infuser is returned to service after repair If any malfunction is detected as a result of the PVT refer to Table 6 3 Troubleshooting with the PVT Note The PVT must be performed exactly as described in this manual to assure effective and reliable product evaluation information 521 EQUIPMENT REQUIRED The following equipment or equivalent is required to perform the PVT Door key PCA vial standard List No 6021 03 PCA vial empty List No 6021 modified to one ring PCA set List No 3559 01 Graduate or marked test tube readable to 0 2 mL increments or smaller Three way stopcock List No 3233 Digital pressure meter DPM to 50 psig Bio Tek DPM II Safety analyzer Dynatech Nevada 231D Butterfly 21 gauge List No 4492 Test cable fitted with phone jack with individual banana plugs compatible with patient control connector on rear of infuser P N 561 88416 001 Parallel network P N 561 88419 001 Digital multimeter DMM Fluke Model 77 D L DL L D D DL D D L Technical Service Manual 5 3 430 04502 003 Rev 4 99 Section 5 MAINTENANCE AND SERVICE TESTS Silicone oil Dow Corning No 360 P N 743 35070 001 X acto knife 2 INSPECTION Inspect the areas listed in Section 5 1 1 Inspecting the Infuser for missing or damaged parts and for any cosmetic defects 5 2 3 INFUSER TEST SETUP WARNING DURING TESTING
141. he infuser case assemblies in the exact reverse order of disassembly 8 Close and lock the security door To verify successful replacement of the door lock switch perform the PVT as described in Section 5 2 DOOR LOCK SWITCH DOOR LATCH 74 TORSION SPRING pum PIN 254 d DOOR LATCH p SUPPORT RETAINING RING TL EXPLODED VIEW ASSEMBLED VIEW 95F01032 Figure 7 25 Door Latch Assembly Type A Technical Service Manual 7 55 430 04502 003 Rev 4 99 Section 7 REPLACEABLE PARTS AND REPAIRS DOOR LOCK SWITCH _ DOOR LOCK ACTUATOR Ton PIN S m DOOR LOCK Oxo BRACKET m eg DOOR LOCK EATUR RETAINING 7 EXTENSION SPRING RING 2 EXPLODED VIEW ASSEMBLED VIEW 95F01031 Figure 7 26 Door Latch Assembly Type B 7 3 42 DOOR LOCK ASSEMBLY REPLACEMENT CAUTION Use proper ESD grounding techniques when handling components Wear an antistatic wrist strap and use an ESD protected workstation Store the PWA in an antistatic bag before placing it on any surface The recommended tools for this procedure are as follows No 2 Phillips screwdriver small flat blade screwdriver 1 4 inch nutdriver 5 16 inch nutdriver 7 16 inch box wrench and 7 8 inch open end wrench To replace the door lock assembly refer to Figure 7 27 Door Lock Assembly then proceed as follows 1 Disconnect the
142. he upward 12 o clock position then remove the two 1 4 inch hex head screws that attach the door latch and door latch spacer as applicable to the support plate Remove the door latch assembly 5 For type B locks only remove the extension spring from the door lock bracket and latch see Figure 7 26 6 Remove the retaining ring from the pivot pin Remove the pivot pin torsion spring type A locks only and the door lock actuator 7 Re assemble the door latch assembly in the exact reverse order of disassembly for type A locks make certain the torsion spring is compressed as shown in Figure 7 28 before replacing the pivot pin 8 Re install the door lock switch and re assemble the infuser in the exact reverse order of disassembly 9 Close and lock the security door To verify successful installation of the door latch assembly perform the PVT as described in Section 5 2 430 04502 003 Rev 4 99 7 58 LifeCare PCA Plus and Plus Series Infusers REPLACEMENT PROCEDURES PIVOT PIN RETAINING RING TORSION TORSION SPRING ENDS COMPRESSED 95F01025 Figure 7 28 Door Latch Torsion Spring Placement Type A 7 3 45 REAR CASE ASSEMBLY REPLACEMENT CAUTION Use proper ESD grounding techniques when handling components Wear an antistatic wrist strap and use an ESD protected workstation Store the PWA in an antistatic bag before placing it on any surface Note The infuser serial number is required when ordering a n
143. hed Re install the battery cover ELECTRICAL SAFETY TEST To perform the electrical safety test proceed as follows 1 Note Connect the AC power cord to an approved safety analyzer Leakage current must not exceed 50 microamperes but must be greater than 2 microamperes open ground Using the safety analyzer measure the resistance between the ground lug of the AC connector and exposed metal parts such as the door key lock patient pendant connector or the exposed screw heads on the pole clamp Note that the door hinge is not grounded Resistance should not exceed 0 1 ohm Exposed metal on the infuser is isolated from ground 430 04502 003 Rev 4 99 5 10 LifeCare PCA Plus and Plus Series Infusers 5 2 12 PERFORMANCE VERIFICATION TEST PRINTER TEST To perform the printer test proceed as follows 1 2 Note Connect the infuser to AC power Connect the printer cable Centronics interface to the printer port located on the back of the infuser Power on the printer and verify it is on line Open the infuser security door then insert the syringe into the cradle assembly Verify the infuser begins the self test After the self test completes the PURGE SYSTEM NOW prompt displays Press the PRINT touchswitch Confirm END OF RECORD is printed on the history and event log printout It may be necessary to take the printer off line then form feed the last partial page of the printout
144. ibed in Section 7 3 16 CPU Display PWA Replacement 4 Remove the LED and install the replacement LED The LEDs are socketed and may initially be difficult to remove use care not to bend the connector pins Note To assure proper alignment when replacing a seven segment LED DS2 DS3 DS4 055 or DS7 make certain the decimal point is in the lower right corner 5 Re install the power supply PWA and the CPU display PWA 6 Re assemble the infuser case assemblies in the exact reverse order of disassembly 7 Close and lock the security door To verify successful replacement of the LED perform the PVT as described in Section 5 2 430 04502 003 Rev 4 99 7 30 LifeCare PCA Plus and Plus Series Infusers REPLACEMENT PROCEDURES 7 3 18 LCD ASSEMBLY REPLACEMENT CAUTION Use proper ESD grounding techniques when handling components Wear an antistatic wrist strap and use an ESD protected workstation Store the PWA in an antistatic bag before placing it on any surface The recommended tools for this procedure are as follows No O Phillips screwdriver No 2 Phillips screwdriver 1 4 inch nutdriver and 5 16 inch nutdriver To replace the LCD assembly refer to Figure 7 12 CPU Display PWA LED and LCD Assembly then proceed as follows l Disconnect the infuser from AC power 2 Separate the infuser front and rear case assemblies as described in Section 7 2 2 Separating Front and Rear Case Assemblies 3 Remove the power supp
145. inch nutdriver To replace the battery boost charger PWA refer to Figure 7 23 Interconnect PWA and Battery Boost Charger PWA Replacement then proceed as follows l Disconnect the infuser from AC power 2 Separate the infuser front and rear case assemblies as described in Section 7 2 2 Separating Front and Rear Case Assemblies 3 Disconnect P1 and P2 from J1 and J2 on the battery boost charger PWA 4 Using a No 1 Phillips screwdriver remove the two 6 32 screws that hold the battery boost charger PWA on the control panel assembly Remove the battery boost charger PWA 5 Mount the replacement battery boost charger PWA on the control panel assembly with the screws removed in Step 4 6 Re assemble the infuser case assemblies in the exact reverse order of disassembly 7 Close and lock the security door To verify successful replacement of the battery boost charger PWA perform the PVT as described in Section 5 2 7 3 40 FRONT PANEL REPLACEMENT CAUTION Use proper ESD grounding techniques when handling components Wear an antistatic wrist strap and use an ESD protected workstation Store the PWA in an antistatic bag before placing it on any surface The recommended tools for this procedure are as follows No 2 Phillips screwdriver 1 4 inch nutdriver 5 16 inch nutdriver 1 4 inch open end wrench Allen wrenches X acto knife and isopropyl alcohol To replace the front panel refer to Figure 7 24 Front Panel Replaceme
146. is procedure is needle nose pliers To adjust the door lock switch proceed as follows 1 2 Disconnect the infuser from power Separate the infuser case assemblies as described in Section 7 2 2 Separating Front and Rear Case Assemblies Press the door lock actuator arm and listen for switch actuation Close and lock the security door and confirm the door hook and the door lock actuator hold the door closed With the security door closed turn the key to the unlocked and locked positions while listening for switch actuation If the door lock switch is adjusted properly switch actuation should be heard each time the door is locked or unlocked If the door lock switch does not require adjustment proceed to Step 7 Using needle nose pliers carefully bend the door lock actuator or the switch actuator arm as applicable until proper adjustment is achieved Be careful not to damage the switch Technical Service Manual 7 19 430 04502 003 Rev 4 99 Section 7 REPLACEABLE PARTS AND REPAIRS 7 Re assemble the infuser in the exact reverse order of disassembly 8 Close and lock the security door To verify successful adjustment of the door lock switch perform the PVT as described in Section 5 2 7 2 11 LEAD SCREW LUBRICATION Recommended tools for this procedure are as follows Electro Wash 2000 or isopropyl alcohol lint free cloth or cotton swabs grease and a small brush l Disconnect the infuser
147. itch test refer to Figure 7 9 Occlusion Alarm Test Setup then proceed as follows l Disconnect the infuser from AC power 2 Using a three way stopcock attach the DPM to the end of the patient line 3 Install a water filled syringe with modified plunger and an IV administration set into the infuser 4 Purge the set until water flows out of the stopcock valve Close the valve When the LCD screen displays DRUG Rx MORPHINE 1 MG ML YES OR NO press YES ENTER 5 Program a loading dose of 10 mg Let the infuser operate until an occlusion alarm sounds 6 Note the reading on the meter when the occlusion alarm occurs If the reading is not between 14 and 19 psig 96 6 and 131 1 kPa for 008 and lower or 12 5 and 17 5 psig 86 25 and 120 75 kPa for 010 and higher perform the occlusion alarm adjustment procedure in Section 7 2 7 3 Occlusion Alarm Switch and Pressure Adjustment 008 and Lower or 7 2 7 4 Occlusion Alarm Switch and Pressure Adjustment 010 and Higher If the reading is between the specified parameters perform the PVT as described in Section 5 2 Technical Service Manual 7 13 430 04502 003 Rev 4 99 Section 7 REPLACEABLE PARTS AND REPAIRS FILLED VIAL STOPCOCK UNIVERSAL PRESSURE METER e 3351075 4 PRESSURE INPUT ON SILENCE EN PRINT orr RESET RECHG START HISTORY Abbott PCA PLUS
148. itch to the door latch To ease disassembly and re assembly remove the eight Phillips screws that attach the control panel to the rear case Remove the control panel Using a small flat blade screwdriver and a 3 16 inch nutdriver remove the two screws that attach the printer Dataway connector J10 to the control panel Using a 5 16 inch nutdriver remove the nut that attaches the green wire to the control panel Using a 3 16 inch nutdriver remove the screws that attach the piezoelectric alarm to the control panel The longer of the two screws is used in the upper mounting hole to accommodate the plastic cable clip Using a 5 16 inch box wrench remove the retainer nut that attaches the audible level switch to the control panel Using a 1 2 inch box wrench remove the retainer nut that attaches the patient pendant jack to the control panel Remove the plastic cable clip that attaches the harness to the piezoelectric alarm mounting screw place the clip on the replacement harness in the same location Using a 1 2 inch box wrench attach the patient pendant jack on the replacement harness to the control panel 430 04502 003 Rev 4 99 7 46 LifeCare PCA Plus and Plus Series Infusers REPLACEMENT PROCEDURES 15 Using a 5 16 inch box wrench attach audible level switch on the replacement harness to the control panel 16 Using 5 16 inch box wrench attach the piezoelectric alarm on the replacement harness to
149. l Table 1 1 Conventions Italic Reference to a section figure Remove power supply PWA and table or publication CPU display PWA as described in Section 7 3 15 Power Supply Replacement ALL CAPS Touchswitch labels on the infuser LOADING DOSE are described in all caps and enclosed in brackets ALL CAPS Screen displays as appropriate ADMINISTER LOADING DOSE NOW Bold Emphasis CAUTION Infuser damage may occur unless proper care is exercised during unpacking inspection and self test Throughout this manual warnings cautions and notes are used to emphasize important information as follows WARNING AWARNING CONTAINS SPECIAL SAFETY EMPHASIS AND MUST BE OBSERVED AT ALL TIMES FAILURE TO OBSERVE A WARNING IS POTENTIALLY LIFE THREATENING CAUTION A CAUTION usually appears in front of a procedure or statement and contains information that could prevent irreversible equipment damage or failure Note A note highlights information that helps explain a concept or procedure 1 3 ACRONYMS AND ABBREVIATIONS Acronyms and abbreviations used in this manual are as follows AC Alternating current ADC Analog to digital converter BRD Bus read BWR Bus write 430 04502 003 Rev 4 99 1 2 LifeCare PCA Plus and Plus Series Infusers cS dB DC DISBATT DPM ECG EKG EMG EPROM ESD ETO Hr IC INJECTORSW T O kPa LCD LED LIM LOBAT LOW BATT mA MALF MCS mg MHz mL M
150. licable 9 3 4 4 4 4 4 4 5 Assembly Cable 26 Conductor Section 7 3 38 Assembly Doorlock Section 7 3 42 Pawl Latch Door Section 7 3 42 3B 3C 3D G 4 A B C D 4F G 5 5 5 5 50 5F G 5H 5J 5K Technical Service Manual 9 3 430 04502 003 Rev 4 99 Section 9 DRAWINGS Table 9 2 IPB for the Infuser Nomenclature Procedure Spring Torsion 025 Diameter Latch Door Doorlock Bracket Spring Extension Latch Doorlock Actuator Doorlock Screw 6 32 x 5 16 Hexhead W Washer Doorlock Latch Pin Pivot Ring Retaining 125 x 015 THK SFT Insulator LCD Assembly LCD Display pwa CPU PWA Power Supply Assembly Cable 40 Conductor Panel Front Case Front Assembly Flange Clamp Arm Lever PCA Mechanism Clip Cradle Cradle PCA Mechanism Cradle Vial Support Vial Knob Right Index Number 5L M Q S T 0 EE k Co 16 N 430 04502 003 Rev 4 99 9 4 LifeCare PCA Plus and Plus Series Infusers Table 9 2 IPB for the Infuser Number Nomenclature Procedure Retainer Power Cord 0 Strap Velcro Hook and Loop Light Gray 22 23 24 25 26 27 28 29 3 Switch 3 3 s s s s s Screw 6 32 x 3 8 Flathead Panhead As applicable 2 3 4 5 6 7 8 9 40 41 42 43
151. ly PWA as described in Section 7 3 15 Power Supply PWA Replacement and the CPU display PWA as described in Section 7 3 16 CPU Display PWA Replacement 4 Disconnect the LCD ribbon cable from J15 on the CPU display PWA 5 Pull the adhesive backed plastic insulator from the LCD window 6 Using a No Phillips screwdriver remove the screws from each corner of the LCD assembly 7 Grasp the CPU display PWA and carefully remove the LCD assembly out of the connector J14 socket Do not bend the connector pins 8 Mount the adhesive backed plastic insulator on the replacement LCD center the insulator window on the LCD so the insulator covers the edges of the metal bracket 9 Re install the LCD assembly power supply PWA and CPU display PWA 10 Re assemble the infuser case assemblies in the exact reverse order of disassembly 11 Close and lock the security door To verify successful replacement of the LCD assembly perform the PVT as described in Section 5 2 7 3 19 40 PIN RIBBON CABLE REPLACEMENT CAUTION Use proper ESD grounding techniques when handling components Wear an antistatic wrist strap and use an ESD protected workstation Store the PWA in an antistatic bag before placing it on any surface The recommended tools for this procedure are as follows No 2 Phillips screwdriver 1 4 inch nutdriver 5 16 inch nutdriver 1 4 inch open end wrench and Allen wrenches To replace the 40 pin ribbon cable refer to Figure 7 15
152. n OCCLUSION INFUSER IN RESET Note INFUSER IN RESET message also appears after an alarm condition has been cleared Press the RESET START touchswitch to resume delivery LOW BATTERY flashing battery symbol No battery operation or short operating time to LOW BATTERY alarm Technical Service Manual Kinked or otherwise occluded tubing occluded venipuncture device or closed slide clamp Occlusion pressure out of calibration RESET START touchswitch pressed when security door locked in CONTINUOUS or CONTINUOUS mode and delivery in progress Battery is near discharge level Battery pack not fully charged Battery pack is defective or has exceeded useful life Open security door if closed Relieve backpressure by squeezing and releasing the cradle release handles Adjust occlusion pressure see Section 7 2 7 3 or Section 7 2 7 4 Replace occlusion pressure switch see Section 7 3 26 Press the RESET START touchswitch to resume delivery Connect infuser to AC power Note See Section 4 4 Battery Operation Overview for detailed information about battery powered operation Recharge battery pack for 16 hours Test battery charging circuit see Section 5 2 10 If test passes replace battery pack see Section 7 3 5 If test fails replace power supply PWA see Section 7 3 15 Replace battery pack see Section 7 3 5 430 04502 003 Rev 2 99 Section 6 TROUBLESHOOTING
153. n wrench No 2 Phillips screwdriver 1 4 inch nutdriver 3 16 inch nutdriver 5 16 inch nutdriver and grease To replace the slide assembly refer to Figure 7 21 Location of Slide Assembly Mounting Bolts then proceed as follows 1 Disconnect the infuser from AC power 2 Separate the infuser front and rear case assemblies as described in Section 7 2 2 Separating Front and Rear Case Assemblies 3 Remove the cradle assembly as described in Section 7 3 21 Cradle Assembly Replacement 4 Remove the slide clamp levers as described in Section 7 3 24 Slide Clamp Lever Replacement 010 and Higher 5 Using a No 1 Phillips screwdriver and a 1 8 inch nutdriver remove the two wire harnesses that contain the occlusion pressure switch vial sensor switch injector sensor switch and empty vial syringe switch Mark P J numbers on the connectors prior to removing if necessary Cut the tie wraps to remove the harnesses if necessary 6 Using a 5 16 inch nutdriver remove the three hex head screws that mount the slide assembly to the front case 7 Lift the slide assembly out of the front case and place it on its right side on a soft surface use care not to damage the vial switch plunger that protrudes from the slide assembly 8 Install the replacement slide assembly and replace the screws removed in Step 6 Lubricate the lead screw with grease 9 Re install the wire harnesses in the exact reverse order of disassembly 10 Reconne
154. nfusers E Section 8 SPECIFICATIONS 8 1 PCA PLUS Dimensions Weight Power Requirements Fuses Power Cord Plug Case Material Battery Battery Life PCA Only Mode Continuous Only Mode PCA Continuous Lockout Interval Range Backpressure Range Operating Environment Electrical Safety Administration Sets Technical Service Manual Height 13 inches 33 cm Width 8 inches 20 cm Depth 6 inches 15 cm Approximately 15 pounds 7 kilograms 110 120 VAC 50 60 Hz 25 watts Slo blo 0 25 A 250 VDC Hospital grade 3 pin High density polyurethane structural foam 8 VDC 3 0 ampere hour 4 cell sealed lead acid rechargeable battery pack Approximately four hours of operation with up to 30 mL of delivery when fully charged Approximately 1 mL in 35 seconds Variable from 0 5 x concentration to 20 x concentration mg hr Variable from 0 5 x concentration to 20 x concentration mg hr plus PCA rate 5 to 100 minutes in 1 minute increments 10 to 20 psig 10 to 40 degrees C 50 to 104 degrees F ambient temperature 5 to 95 percent relative humidity noncondensing Meets UL 544 ANSI SLC and CSA 22 2 standards Use only compatible Abbott PCA sets with integral anti siphon valve 8 1 430 04502 003 Rev 4 99 Section 8 SPECIFICATIONS 8 2 PCA PLUS II Dimensions Weight Power Requirements Fuses Power Cord Plug Case Material Battery
155. ng procedures are designed to maintain the infusion system sustain infuser longevity and promote trouble free instrument operation Follow hospital protocol for establishing the infuser cleaning schedule WARNING DISCONNECT THE INFUSER FROM AC POWER PRIOR TO CLEANING THE INSTRUMENT FAILURE TO COMPLY WITH THIS WARNING COULD RESULT IN ELECTRICAL SHOCK CAUTION Do not immerse the infuser in liquids Immersion could damage the instrument Do not allow liquids to enter the infuser electronics compartment CAUTION Do not spray cleaning solutions toward any openings in the infuser CAUTION Certain cleaning and sanitizing compounds may slowly degrade components made from some plastic materials Using abrasive cleaners or cleaning solutions not recommended by Abbott Laboratories may result in product damage and potentially void the product warranty Do not use compounds containing combinations of isopropyl alcohol and dimethyl benzyl ammonium chloride Clean the exposed surfaces of the infuser with a soft lint free cloth dampened with one of the cleaning solutions listed in Table 5 1 Cleaning Solutions or a mild solution of soapy water Remove soap residue with clear water Do not use solvents that are harmful to plastic such as isopropyl alcohol or acetone Do not use abrasive cleaners CAUTION avoid infuser damage cleaning solutions should be used only as directed in Table 5 1 The disinfecting properties of cleaning solutions
156. nt then proceed as follows l Disconnect the infuser from AC power 2 Separate the infuser front and rear case assemblies as described in Section 7 2 2 Separating Front and Rear Case Assemblies Technical Service Manual 7 58 430 04502 003 Rev 4 99 Section 7 REPLACEABLE PARTS AND REPAIRS Remove the power supply PWA as described in Section 7 3 15 Power Supply PWA Replacement and the CPU display PWA as described in Section 7 3 16 CPU Display PWA Replacement Using a 1 4 inch nutdriver remove the four hex head screws that attach the front panel assembly to the front case Remove the front panel assembly Using an X acto knife pry the front panel from the sub panel Remove the old adhesive from the front panel with isopropyl alcohol Remove the protective backing from the replacement front panel then place the replacement front panel over the sub panel Make certain that the front panel is properly seated on the sub panel then press it into place Make certain that no air bubbles are trapped between the two surfaces and that the surfaces bond securely Re install the power supply PWA and the CPU display PWA 8 Re assemble the infuser case assemblies in the exact reverse order of disassembly 9 Close and lock the security door To verify successful replacement of the front panel perform the PVT as described in Section 5 2 SUB PANEL 7 3 41 FRONT PANEL FLEXIBLE CIRCUIT CABLE 95F01
157. on any surface The recommended tools for this procedure are as follows No 2 Phillips screwdriver 1 4 inch nutdriver 3 16 inch nutdriver 5 16 inch nutdriver syringe limit gauge and red GLPT insulating varnish To adjust the syringe low switch refer to Figure 7 4 Vial Sensor Switch and Syringe Low Switch 008 and Lower then proceed as follows 1 Disconnect the infuser from AC power 2 Separate the infuser front and rear case assemblies as described in Section 7 2 2 Separating Front and Rear Case Assemblies 3 Install the syringe limit gauge in the cradle Squeeze the cradle clamps and move the cradle up to the limit allowed by the gauge Verify that the gauge dial reads approximately 0 05 inch 0 127 cm 4 Start the infuser using any drug concentration setting Purge the system until the gauge dial reads approximately 0 1 inch Technical Service Manual 7 9 430 04502 003 Rev 4 99 Section 7 REPLACEABLE PARTS AND REPAIRS 5 Using a 3 16 inch nutdriver loosen the two screws securing the syringe low switch bracket Move the switch bracket until the switch clicks on Tighten the screws 6 Move cradle up to the limit allowed by the gauge Program the infuser for normal operation and verify that the syringe low alarm occurs when the gauge dial reads between 0 05 inch and 0 15 inch 7 Apply red GLPT insulating varnish to the screw heads 8 If Section 7 2 6 Syringe Empty Switch Adjustment is not performed re
158. onverter that provides power for the electroluminescent panel on the LCD screen LCD containing its own controlling circuitry on PWA connected to the CPU display PWA Light emitting diode LED displays five seven segment LEDs one single LED and two multi LEDs along with driving multiplexing and monitoring components Eight channel analog to digital converter that monitors the 5 VDC power supply the 2 5 VDC precision voltage reference used to regulate the 5 VDC supply and the battery monitoring circuits and the current consumption of the LEDs 4 2 1 1 CPU DISPLAY PWA SYSTEM INTERFACES The CPU display PWA interfaces with the front panel touchswitches the LCD screen and the power supply see Figure 9 3 Interconnect Schematic PCA II The 12 front panel touchswitches interface with the CPU display PWA via P J13 The YES ENTER REV CHG ONSW and OFFSW touchswitch signals are routed off the CPU display PWA via P J12 to the power supply connector P J7 The YES ENTER and REV CHG signals input the data buffer U8 on the power supply PWA A similar data buffer U4 on the CPU display PWA inputs the remaining eight touchswitch signals U8 and U4 place data on the system data bus DO D7 When one of the touchswitches is pressed a ground is applied to the corresponding touchswitch signal line which provides an active low signal at the appropriate data buffer input pin The ONSW signal is used on the power supply PWA as an
159. ott assembled manuals which contain change pages are identified on the cover page as part number 430 04502 01 430 04502 01 Updated cover and copyright Cover Updated Change History and i to viii Contents Revised Section 1 1 1 to 1 4 Updated Section 4 3 3 4 15 4 16 Updated Table 5 1 5 1 to 5 4 Updated Section 6 1 6 1 6 2 Updated Section 7 2 7 4 7 15 7 16 Updated Section 7 3 19 7 28 7 29 Updated Section 7 3 43 7 53 7 54 Added index Updated back page Back page Note Stand alone change pages are identified as part number 450 04502 01 Abbott assembled manuals which contain change pages are identified on the cover page as part number 430 04502 01 Technical Service Manual Insert Change Pages Cover Cover i to viii 1 1 to 1 6 4 15 4 16 5 1 to 5 4 6 1 6 2 7 15 7 16 7 27 to 7 30 7 53 7 54 1 01 6 Back page i 430 04502 003 Rev 4 99 CHANGE HISTORY Part Number 430 04502 002 Rev 2 95 430 04502 008 Rev 4 99 430 04502 003 Rev 4 99 Second issue Insert Remove and Change Description of Change Destroy Pages Pages LifeCare PCA Plus and Plus Series Infusers Contents Section 1 INTRODUCTION 1 1 1 2 1 3 1 4 1 5 1 6 SCOPE CONVENTIONS ACRONYMS AND ABBREVIATIONS USER QUALIFICATION ARTIFACTS INSTRUMENT INSTALLATION PROCEDURE 16 1 UNPACKING 1 6 2 INSPECTION 1 6 3 SELF TEST Section 2 WARRANTY Section 3 SYSTEM OPERATING MANUAL
160. ott s option the repair or replacement of the product In no event shall Abbott s liability arising out of any cause whatsoever whether such cause be based in contract negligence strict liability other tort or otherwise exceed the price of such product and in no event shall Abbott be liable for incidental consequential or special damages or losses or for lost business revenues or profits Warranty product returned to Abbott must be properly packaged and sent freight prepaid The foregoing warranty shall be void in the event the product has been misused damaged altered or used other than in accordance with product manuals so as in Abbott s judgment to affect its stability or reliability or in the event the serial or lot number has been altered effaced or removed The foregoing warranty shall also be void in the event any person including the Purchaser performs or attempts to perform any major repair or other service on the product without having been trained by an authorized representative of Abbott and using Abbott documentation and approved spare parts For purposes of the preceding sentence major repair or other service means any repair or service other than the replacement of accessory items such as batteries flow detectors detachable AC power cords and patient pendants In providing any parts for repair or service of the product Abbott shall have no responsibility or liability for the actions or inactions of the person pe
161. ould darken 430 04502 003 Rev 4 99 5 4 LifeCare PCA Plus and Plus II Series Infusers PERFORMANCE VERIFICATION TEST 3 Press and hold the YES ENTER touchswitch and the ON touchswitch simultaneously for approximately three seconds The LCD screen displays INT RAM TEST until SERVICE TEST appears The LCD screen also displays the current software version and the total elapsed days since the infuser was placed in service Note Tests are self prompting giving the option of repeating the test or going to the next test Table 5 2 Service Tests Software version Infuser displays the software version to identify the revision level of the infuser program stored in EPROM Elapsed days Display reflects total days infuser has been in operation Internal RAM Microcomputer RAM is tested to assure data can be reliably written to and read from specific memory cells External RAM ADRS Test is performed to determine the integrity of the address lines used to select specific memory locations for data access External RAM cell Microcomputer RAM memory is tested Test routine is performed and the test results are verified to assure that the microcomputer is executing instructions properly Checksum is calculated and compared to a pre stored and pre calculated value to assure the operating program residing in EPROM is intact Real time clock Real time clock is tested to verify its accuracy Pattern of 1s through 9s is displayed by the LEDs
162. ounds and the CHECK VIAL message is displayed on the LCD The SILENCE touchswitch has no effect on this alarm the alarm is cleared by properly seating the vial in the cradle assembly Technical Service Manual 4 17 430 04502 003 Rev 4 99 Section 4 BATTERY OPERATION OVERVIEW 4 3 4 2 CHECK INJECTOR ALARM When a vial is mounted in the cradle assembly and the injector flange is properly seated in the injector flange clamp the vial sensor rod is forced towards the rear of the infuser and presses against the injector sensor microswitch which causes the switch to close If a vial is installed in the cradle but the injector flange is improperly seated i e the vial sensor rod is not forced rearward and the switch remains open and an attempt is made to start the infuser logic circuitry on the power supply supply PWA senses the status of the INJECTORSW signal and sets the ON OFF latch U14B U14C When the ON OFF latch is set the infuser is prevented from starting the audible alarm sounds and the CHECK INJECTOR message is displayed on the LCD The SILENCE touchswitch has no effect on this alarm the alarm is cleared by properly seating the injector flange in the injector flange clamp 4 3 4 3 CHECK SYRINGE ALARM When no syringe is installed in the infuser or when a syringe is installed but both the vial and the injector flange are improperly seated the vial sensor switch and the injector sensor microswitch remain open If an
163. pendant switch while rotating the Pass Fail control cable Verify the DMM displays continuity 3 Press and hold the patient pendant switch while rotating the Pass control cable Verify the DMM displays continuity 4 Release patient pendant switch Verify DMM displays infinity Pass Fail__ Battery Charger Test 1 Connect the parallel network and measure the charger voltage Pass Fail across the network Record VDC Specification 9 4 0 15 VDC without battery boost circuit 14 5 2 0 VDC with battery boost circuit Electrical Safety Test 1 Record leakage current Acceptable result 50 pA 2 Record ground lug resistance Pass Fail Acceptable result 0 1 ohms Pass Fail Printer Test 1 Confirm END OF RECORD is printed on the history and event Pass log printout 2 Compare the printout to Figure 5 2 Sample Printer Test Pass Fail Performance Verification Test performed by Date Test Equipment Pressure Meter Safety Analyzer DMM 430 04502 003 Rev 4 99 5 14 LifeCare PCA Plus and Plus Series Infusers Section 6 TROUBLESHOOTING This section contains information on obtaining technical assistance from Abbott Laboratories Technical Support Operations audible alarm and alarm messages alarm code history and troubleshooting the infuser TECHNICAL ASSISTANCE For technical assistance product return authorization and to order parts accessories o
164. pry UB ELON 85 ite 02 32 52 PRS 38 RTS MOTOR 03 31 p3 38_ 510018 8113 Du 30 pa7 37 STROBE MONITOR D5 28 ns PBo iB no 1s Bit DRIVERS 06 28105 R32 07 27 07 2 20 2 8115 i RO 9 np pg3lel 3 TO 5 47K gt 22 m 2u Reser 585153 ms m gt BITS PRINTER Ed L 25 wit 217 22 RNG EBE 55 BIT7 DATAWAY 1 8 4435 4 R 4 D P 180K n 5 035 c PET 15 PANTA P28 PRNTR PORT se 2 289 1 I 48 D 221068 m a MOTOT AA re 2 2k BUSY u078 y 1178 KH ac JIV c BISBRT ul 8 1 26 12 1 8 7 VIAL VCC 5 ug81 ZVN2106A 7 OND peeli 829 gt R2 205 arse 47K 10K 470 39 pE A N 4 p GND S 19 5 nsn 8 7 5s SHT INL 053695 Aol 6 n 5 N 8i 8 1 m i878 2 amp 7 H 651 SHT DISBRT 1 gt SDB SHT LOBAT 2 8 VECES 5 23 4981 5 SHT ON H SIRE u2 BW gt SDA ZVN2106A SHT 1 Boon ifo 0 5 E t R13 8 5 188 gt MOTOS 10 083685 MHB pres ANE A 06 3 2 BITO M 15 5 T woros 18 01 5 2 20 8 BITI ay dE ONE MET EE Kw 2 8112 oc AK 03 E i ii io 38113 45 SEE NOTE 4 EET 14 zw186n 9 Po TO D4 50 50 BITU U i _5 8 1 05 TU 58 80115 8115 7 Ub 2 LL MOTO
165. r manuals within the United States contact Abbott Laboratories Technical Support Operations 1 800 241 4002 Send all authorized prepaid returns to the following address Abbott Laboratories Technical Support Operations 755 Jarvis Drive Morgan Hill California 95037 From outside the United States contact the nearest Abbott Laboratories representative Contact the Abbott Laboratories professional hospital representative or Abbott Laboratories Technical Support Operations for information about the Abbott Laboratories Extended Warranty Program for the PCA Plus and Plus II Series Infuser 6 2 DIAGNOSTIC MODE Note A printer must be connected to the infuser when using the diagnostic mode The PCA Plus II Series Infuser with 3 1 software and above has a diagnostic mode that allows retrieval of the last 200 events and malfunction codes This information is retained indefinitely in a battery backed RAM on the CPU display PWA To access diagnostic information the infuser must be in storage mode cold start condition see Section 4 1 1 2 Cold Start Sequence Simultaneously press and hold the PURGE SYSTEM and ON touchswitches for approximately three seconds the LCD screen first displays INT RAM TEST then DIAGNOSTIC MODE LCD screen also displays the software revision and total elapsed days since the infuser was placed into service Technical Service Manual 6 1 430 04502 003 Rev 4 99 Section 6 TROUBLESHOOTING
166. r certified healthcare professionals who are trained in the use of the infusers and the administration of parenteral or enteral fluids or drugs L5 ARTIFACTS Nonhazardous low level electrical potentials are commonly observed when fluids are administered using infusion devices These potentials are well within accepted safety standards but may create artifacts on voltage sensing equipment such as ECG EMG and EEG machines These artifacts vary at a rate that is associated with the infusion rate If the monitoring machine is not operating correctly or has loose or defective connections to its sensing electrodes these artifacts may be accentuated so as to simulate actual physiological signals determine if the abnormality in the monitoring equipment is caused by the infusion device instead of some other source in the environment set the infusion device so that it is temporarily not delivering fluid Disappearance of the abnormality indicates that it was probably caused by electronic noise generated by the infusion device Proper setup and maintenance of the monitoring equipment should 430 04502 003 Rev 4 99 1 4 LifeCare PCA Plus and Plus II Series Infusers INSTRUMENT INSTALLATION PROCEDURE eliminate the artifact Refer to the appropriate monitoring system documentation for setup and maintenance instructions 1 6 INSTRUMENT INSTALLATION PROCEDURE CAUTION Infuser damage may occur unless proper care is exercised during product
167. r the adjustment procedures in this section The tools and materials required for a specific adjustment procedure are listed at the beginning of each procedure Set of Allen wrenches Set of nutdrivers Set of open end wrenches Flat blade screwdriver No O Phillips screwdriver No 2 Phillips screwdriver X acto knife Digital pressure meter DPM Bio Tek DPM II Red GLPT insulating varnish Water filled syringe Empty syringe Modified syringe Three way stopcock IV administration set Permanent marker Syringe limit gauge Trim pot tool Silicone oil Dow Corning 360 Mineral Fluid Grease Braycote 804 Needle nose pliers Electro Wash 2000 or isopropyl alcohol Lint free cloth or cotton swabs Small brush L L D D D D L DL D D L DL L D D DL DL D D D D D Technical Service Manual 7 8 430 04502 003 Rev 4 99 Section 7 REPLACEABLE PARTS AND REPAIRS 7 2 2 SEPARATING FRONT AND REAR CASE ASSEMBLIES CAUTION Use proper ESD grounding techniques when handling components Wear an antistatic wrist strap and use an ESD protected workstation Store the PWA in an antistatic bag before placing it on any surface The infuser front and rear case assemblies must be separated before performing any adjustment procedure The recommended tools for this procedure are as follows No 2 Phillips screwdriver 1 4 inch nutdriver 5 16 inch nutdriver and permanent marker To separate the infuser front and rear case assemblies ref
168. rfaces 4 4 Interconnect Cable Replacement 7 52 Interconnect Replacement 7 51 Power Supply 4 7 Power Supply Replacement 7 28 Power Supply System Interfaces 4 8 Technical Service Manual Q Qualification User 1 4 R Rear Case Assembly Replacement 7 59 Replaceable Parts and Repairs 7 1 Parts List 7 1 Replaceable Parts on Back of Infuser 7 24 Replacement 15 Conductor Diagnostic Cable 7 32 40 Pin Ribbon Cable 7 31 AC Power Cord 7 26 AC Power Cord Plug 7 27 Audible Level Switch 7 50 Battery Boost Charger PWA 7 53 Battery Pack 7 22 Battery Pack Cover 7 21 Control Panel Harness 7 46 CPU Display PWA 7 29 Cradle Assembly 7 33 Door Latch Assembly 7 58 Door Lock Assembly 7 56 Door Lock Switch 7 54 Front Case Assembly 7 60 Front Panel 7 53 Fuse 7 23 Gasket Seal 7 27 Injector Flange Clamp 7 45 Injector Sensor Switch 7 39 Interconnect PWA 7 51 Interconnect PWA Cable 7 52 LCD Assembly 7 31 LED 7 30 Motor Assembly 008 and Lower 7 39 Occlusion Pressure Switch 7 38 Patient Pendant Control Cable 7 26 Patient Pendant Jack 7 49 Piezoelectric Alarm 7 48 Pole Clamp Assembly 7 24 Power Supply PWA 7 28 Printer Dataway Connector 7 46 Procedures 7 20 Rear Case Assembly 7 59 Rubber Foot Pad 7 61 Security Door 7 25 Security Door Latch 7 26 Slide Assembly 008 and Lower 7 43 Slide Clamp Knob and Lever 008 and Lower 7 35 Slide Clamp Lever 010 and Higher 7 36 430 04502 003 Re
169. rforming such repair or service regardless of whether such person has been trained to perform such repair or service It is understood and acknowledged that any person other than an Abbott representative performing repair or service is not an authorized agent of Abbott Technical Service Manual 2 1 430 04502 003 Rev 4 99 Section 2 WARRANTY This page intentionally left blank 430 04502 003 Rev 4 99 2 2 LifeCare PCA Plus and Plus Series Infusers LL Section 3 SYSTEM OPERATING MANUAL A copy of the system operating manual is included with every infuser Insert a copy here for convenient reference If a copy of the system operating manual is not available contact Abbott Laboratories Technical Support Operations see Section 6 1 Technical Assistance Technical Service Manual 3 1 430 04502 003 Rev 4 99 Section 3 SYSTEM OPERATING MANUAL This page intentionally left blank 430 04502 003 Rev 4 99 3 2 LifeCare PCA Plus and Plus Series Infusers LL Section 4 THEORY OF OPERATION This section describes the principles of operation for the LifeCare PCA Plus and Plus II Series Infusers Related drawings are provided in Section 9 Drawings GENERAL FUNCTIONS This section describes the general functions of the infuser see Figure 9 2 Block Diagram PCA II 4 1 1 STARTING OPERATION The infuser is powered on by inserting or removing a vial or by pressing the ON touchswitch Once powered on the in
170. ries Infusers MECHANICS OVERVIEW 43 1 SLIDE ASSEMBLY The main components of the slide assembly are shown in Figure 4 1 Infuser Slide Assembly 008 and Lower and Figure 4 2 Infuser Slide Assembly 010 and Higher The following sections describe the operation of the slide assembly GUIDES TOP PLATE LEFT LEAD RIGHT LEAD SCREW CLAMP SCREW CLAMP SPLIT NUT SPLIT NUT LEFT CLAMP KNOB UPPER SYRINGE RIGHT CLAMP MOUNT KNOB SYRINGE EMPTY CRADLE BRACKET ARM ASSEMBLY SYRINGE LOW BRACKET ARM SYRINGE LOW VIAL SWITCH SYRINGE B EMPTY SWITCH d LEAD SCREW SWITCH MOUNTING BRACKET PLUNGER MOTOR GEARBOX MOTOR INJECTOR CASE FLANGE CLAMP OPTO SWITCH 95F01008 Figure 4 1 Infuser Slide Assembly 008 and Lower Technical Service Manual 4 11 430 04502 003 Rev 4 99 Section 4 MECHANICS OVERVIEW SWITCH ACTUATOR OCCLUSION ALARM 7 SWITCH CRADLE ASSEMBLY THUMB NUT VIAL SENSOR SWITCH 7 VIAL LEAD SCREW SYRINGE EMPTY SWITCH SYRINGE EMPTY SWITCH ACTUATOR ARM BEHIND SWITCH SYRINGE EMPTY SWITCH ADJUSTMENT SCREW 2 PLUNGER MOTOR GEARBOX MOTOR CASE INJECTOR INJECTOR SENSOR FLANGE CLAMP SWITCH
171. rify successful front case assembly replacement perform the PVT as described in Section 5 2 430 04502 003 Rev 4 99 7 60 LifeCare PCA Plus and Plus Series Infusers REPLACEMENT PROCEDURES 7 3 47 RUBBER FOOT PAD REPLACEMENT The recommended tools for this procedure are as follows 3 8 inch wood chisel or X acto knife and isopropyl alcohol To replace the rubber foot pad refer to Figure 7 13 Battery Pack Replacement then proceed as follows l Place the infuser on its side 2 Using a 3 8 inch wood chisel or an X acto knife remove the rubber foot pad and scrape the enclosure recess to remove adhesive residue Note Each adhesive backed rubber foot pad is bonded in its recess do not damage the recess 3 Using isopropyl alcohol clean any adhesive residue from the enclosure recess 4 Remove the protective backing from the self adhesive surface of the replacement foot pad and press the pad in place 5 After approximately five minutes verify the foot pad is secure Replacement of a rubber foot pad is a routine maintenance procedure and no verification procedure is normally required However if the infuser may have been damaged during a rubber foot pad replacement perform the PVT as described in Section 5 2 Technical Service Manual 7 61 430 04502 003 Rev 4 99 Section 7 REPLACEABLE PARTS AND REPAIRS This page intentionally left blank 430 04502 003 Rev 4 99 7 62 LifeCare PCA Plus and Plus Series I
172. ringe Switch 010 and Higher of S vinge Plunger js PU Display LED and LCD m Pack Replacement EO Replaceable Parts on Back of Infuser amp oe Power Supply PWA and CPU Display PWA 15 Conductor Diagnostic Cable ko a Cradle Assembly Replacement Location of Slide Clamp Handle Allen 008 ee Motor 42 Fins and Jedi TETTE C eit Bolts 5 PM Alarm Replacement od Interconnect PWA and Boost Charger 1 PWA Replacement atch F ca Door Latch Assembly y Door Latch Torsion Spring Type A IPB for the Infuser Block Diagram D me de Interconnect Schematic PCA II 2 PWA Schematic LC 4100 4200 Power Su PWA Schematic PCA II 8 6 Current Charger Schematic MDL 4 PCA Interconnect PWA Schematic Technical Service Manual vii Control Panel Harness and 4 17 12 430 04502 003 Rev 4 99 Tables LI Table 1 1 Conventions ie 4 1 Status 1 9 7g gg 5524 o 0 PO VUNAN ole 9 Lesson AUR S BU Table 9 2 IPB for the Infuser 1 i 1 430 04502 003 Rev 4 99 viii LifeCare PCA Plus and Plus II Series Infusers
173. river To replace the security door proceed as follows 1 Unlock and open the security door 2 Open the door completely approximately 270 degrees to reveal four round head Phillips mounting screws 3 Using a Phillips screwdriver remove the four screws and remove the door 4 Attach the replacement door using the screws removed in Step 3 5 Close and lock the security door Verify that the door aligns with the door latch assembly and that the door is locked Replacement of the security door is a routine maintenance procedure and no verification procedure is normally required However if the infuser may have been damaged during this procedure perform the PVT as described in Section 5 2 Technical Service Manual 7 25 430 04502 003 Rev 4 99 Section 7 REPLACEABLE PARTS AND REPAIRS 7 3 10 SECURITY DOOR LATCH REPLACEMENT The recommended tool for this procedure is a No 2 Phillips screwdriver To replace the security door latch proceed as follows 1 Unlock and open the security door 2 From inside of the door remove the flat head Phillips screw that attaches the latch to the door 3 From the front of the door peel back the nameplate label and remove the latch 4 Install the replacement latch and re attach it from inside the door using the attachment screw that was removed in Step 2 5 Press the nameplate label back in place 6 Close and lock the security door Replacement of the security door latch is
174. rocedure applies to infusers with final assembly number 850 04250 008 and higher The recommended tools for this procedure are as follows No 2 Phillips screwdriver 1 4 inch nutdriver and 5 16 inch nutdriver To replace the interconnect PWA cable refer to Figure 7 23 Interconnect PWA and Battery Boost Charger PWA Replacement then proceed as follows 1 2 Disconnect the infuser from AC power Separate the infuser front and rear case assemblies as described in Section 7 2 2 Separating Front and Rear Case Assemblies Disconnect the interconnect PWA cable from connector J10 on the interconnect PWA and from J8 on the power supply PWA Connect the replacement interconnect PWA cable to connectors J8 and J10 Re assemble the infuser case assemblies in the exact reverse order of disassembly Close and lock the security door 430 04502 003 Rev 4 99 7 52 LifeCare PCA Plus and Plus Series Infusers REPLACEMENT PROCEDURES To verify successful replacement of the interconnect PWA cable perform the PVT as described in Section 5 2 7 3 39 BATTERY BOOST CHARGER PWA REPLACEMENT CAUTION Use proper ESD grounding techniques when handling components Wear an antistatic wrist strap and use an ESD protected workstation Store the PWA in an antistatic bag before placing it on any surface The recommended tools for this procedure are as follows No 1 Phillips screwdriver No 2 Phillips screwdriver 1 4 inch nutdriver and 5 16
175. scillator Test points E1 E2 and E3 E4 are used to disconnect Y1 during depot level repair in order to single step U11 for control All operating parameters for the infuser are stored in U21 the nonvolatile 8K x 8 RAM chip which decodes the 8032 address bits AO through A14 to read from or write to the system data bus data bits DO through D7 Read and write operations are controlled by the BRD and BWR signals derived from the CPU RD and WR signals U21 is mounted on a socket that contains a lithium battery a voltage monitor chip and a real time clock chip The lithium battery is used to retain the data stored RAM during short periods of infuser power loss The voltage monitor chip monitors the power supplied to the socket and connects the lithium battery to the real time clock chip if the logic power supply shuts down U22 is a 32K x 8 EPROM that stores the infuser software program U22 places firmware instructions on the system data bus according to the status of address lines AO through A15 when enabled by the PSEN signal from the CPU The octal tri state bus receiver U12 and the octal D type transparent latch U13 provide an interface between the CPU and the system data and address busses U12 and U13 connect to the CPU lines ADO through AD7 U12 uses ADO through AD7 as a data interface between the CPU and the system data bus DO through D7 transmitting data to and receiving data from the various components throughout the s
176. sembly to the motor support Remove the motor assembly and coupler Install the replacement motor assembly in the slide assembly with the coupler Replace the coupler at this point if necessary Re assemble the infuser in the exact reverse order of disassembly Close and lock the security door To verify successful replacement of the motor assembly perform the PVT as described in Section 5 2 Technical Service Manual 7 41 430 04502 003 Rev 4 99 Section 7 REPLACEABLE PARTS AND REPAIRS TUBE _ 7 0 ASSEMBLY GEAR CASE 6 32 PHILLIPS SCREW 2 B 95F01028 76 32 NUT 2 Figure 7 20 Motor Assembly Replacement 010 and Higher SLIDE ASSEMBLY MOUNTING BOLT SLIDE SLIDE ASSEMBLY ASSEMBLY MOUNTING MOUNTING BOLT 4 BOLT D 11 HI MOTOR 94F14016 Figure 7 21 Location of Slide Assembly Mounting Bolts 430 04502 003 Rev 4 99 LifeCare PCA Plus and Plus II Series Infusers 7 3 30 REPLACEMENT PROCEDURES SLIDE ASSEMBLY REPLACEMENT 008 AND LOWER CAUTION Use proper ESD grounding techniques when handling components Wear an antistatic wrist strap and use an ESD protected workstation Store the PWA in an antistatic bag before placing it on any surface The recommended tools for this procedure are as follows 9 64 inch Allen wrench No 2 Phillips screwdriver 1 4 inch nutdri
177. sers ELECTRONICS OVERVIEW 4 2 2 5 MOTOR DRIVER The gates of U17 drive transistors Q9 through Q6 from the 8255 port A outputs and are disabled by MALF preventing motor movement during a malfunction The gates of U15 generate the MOTORBAD signal if the inputs to U17 are not of opposite polarity to the drive signals to the motor 4 2 2 6 8255 PROGRAMMABLE PERIPHERAL INTERFACE The 8255 programmable peripheral interface chip U7 is an I O peripheral that is written to and read from by U11 via the microprocessor data bus when addresses AO and A1 are properly decoded U7 contains three 8 bit I O ports port A port B and port Port A PAO through PA7 is used for motor control the strobe for the printer port and the signal that enables the LCD backlighting Port B is used for the printer data input and parity bit I O Port C is a general purpose input port that monitors most critical switches and indicators 423 BATTERY BOOST CHARGER PWA For a schematic of the battery boost charger PWA see Figure 9 6 Current Boost Charger Schematic MDL 4 PCA The battery boost charger PWA is installed in infusers with the following final assembly numbers and service revision letters 850 04250 005 and above 850 04250 008 C and above Note The final assembly number and service revision letter are located on the lower right side on the back of the infuser The battery boost charger PWA contains the following circuitry
178. spring the upper end of the lead screw presses against the switch actuator and causes it to pivot upward thereby closing the occlusion alarm switch On infusers with final assembly number 010 and higher the switch opens When the occlusion alarm switch closes the PRESSURESW signal goes active low The PRESSURESW signal is applied to the input of data buffer U8 on the power supply supply PWA When U8 is gated by SWSTSEL signal the microprocessor on the CPU Display PWA reads data bit DO for occlusion pressure status and generates an OCCLUSION alarm In setup mode the OCCLUSION alarm is cleared by releasing the cradle assembly In patient mode the OCCLUSION alarm is cleared by opening the front door and releasing the cradle assembly The SILENCE touchswitch may be pressed to mute the occlusion audible alarm for one minute Technical Service Manual 4 15 430 04502 003 Rev 4 99 Section 4 MECHANICS OVERVIEW Occlusion pressure is adjusted as described in Section 7 2 7 Occlusion Alarm Switch Test and Adjustment ADJUSTMENT OCCLUSION ADJUSTMENT BRACKET LOCKNUTS ALARM SWITCH SET SCREW LOCKNUT NOT SHOWN LEFT SWITCH CLAMP LEVER ACTUATOR SWITCH BUTTON MAI Lo s oen COMPRESSION SPRING N CRADLE CLAMP SPLIT NUTS RIGHT CLAMP LEVER DIRECTION OF LEAD SCREW 95F01037 Figure 4 5 Occlusion Pressure Alarm System 008 and Lower 430 04502 003
179. ssion spring Connect the cables from the rear case assembly to the PWAs and slide assembly to allow the infuser to operate with the case open Support the front case assembly to keep it upright for the adjustment procedure Install a water filled syringe with a modified plunger into the infuser connect an IV administration set DPM and stopcock Open the stopcock valve Purge the system until water flows out of the stopcock valve Close the valve When the LCD screen displays DRUG Rx MORPHINE 1 MG ML YES OR NO press YES ENTER Program a loading dose of 10 mg Let the infuser operate until an occlusion alarm sounds or the pressure reaches 19 psig 131 1 kPa Ifthe occlusion alarm sounds before the pressure reaches 14 psig 96 6 kPa relieve the fluid pressure by opening the stopcock valve Tighten the upper locknut one half turn against the compression spring Repeat Step 7 If the occlusion alarm does not sound at 19 psig 131 1 kPa relieve the fluid pressure loosen the upper locknut one half turn Repeat Step 7 When the infuser occludes at between 14 and 19 psig 96 6 and 131 1 kPa retighten the lower locknut against the upper locknut use one 5 16 inch open end wrench to hold the upper locknut and another 5 16 inch open end wrench to tighten the lower locknut against the upper locknut Close and lock the security door To verify successful adjustment of the occlusion alarm switch and pressure perform t
180. ssure switch proceed as follows l Disconnect the infuser from AC power 2 Separate the infuser front and rear case assemblies as described in Section 7 2 2 Separating Front and Rear Case Assemblies 3 Place the front case assembly face down on a soft surface 4 Cut the tie wrap on the three wires connected to the occlusion pressure switch Unsolder the wires from the switch terminals 5 Usinga small flat blade screwdriver remove the two screws that attach the occlusion switch to the lower end of the slide assembly Remove the switch 6 Install the replacement switch using the screws removed in Step 5 7 Solder the wires to the replacement switch as follows 008 and Lower Orange wire to front terminal black wire common to center terminal and blue wire to front terminal 010 and Higher Orange wire to front terminal blue wire common to center terminal and black wire to front terminal 8 Place a small tie wrap around the switch wires 9 Perform the occlusion alarm switch test and adjustment procedure in Section 7 2 7 Occlusion Alarm Switch Test and Adjustment as applicable 10 Re assemble the infuser case assemblies in the exact reverse order of disassembly 11 Close and lock the security door To verify successful replacement of the occlusion pressure switch perform the PVT as described in Section 5 2 430 04502 003 Rev 4 99 7 38 LifeCare PCA Plus and Plus Il Series Infusers REPLACEMENT PROCEDU
181. stall a water filled syringe with modified plunger into the infuser connect an IV administration set DPM and stopcock Open the stopcock valve Purge the system until water flows out of the stopcock valve Close the valve When the LCD screen displays DRUG Rx MORPHINE 1 MG ML YES OR NO press YES ENTER Set and initiate a loading dose of 10 mg Allow the infuser to operate until an occlusion alarm sounds or the pressure reaches 17 5 psig 120 75 kPa If the occlusion alarm sounds before the pressure reaches 12 5 psig 86 25 kPa relieve the fluid pressure by opening the stopcock valve Loosen the set screw on the thumb nut and turn the thumb nut clockwise to tighten Repeat Step 4 If the occlusion alarm does not sound at or before 17 5 psig 120 75 kPa relieve the fluid pressure by opening the stopcock valve Loosen the set screw on the thumb nut and turn the thumb nut counterclockwise to loosen Repeat Step 4 When the infuser occludes at between 12 5 and 17 5 psig 86 25 and 120 75 kPa retighten the set screw on the thumb nut Close and lock the security door To verify successful adjustment of the occlusion switch and pressure perform the PVT as described in Section 5 2 430 04502 003 Rev 4 99 7 16 LifeCare PCA Plus and Plus Series Infusers 7 2 8 ADJUSTMENT PROCEDURES SWITCH ACTUATOR NO 0 PHILLIPS SCREW OCCLUSION ALARM N SWITCH SLIDE CLAMP RELEASE LEVER COMPRESSION SPRING
182. t then proceed as follows 1 Disconnect the infuser from AC power 2 Separate the infuser front and rear case assemblies as described in Section 7 2 2 Separating Front and Rear Case Assemblies 3 Place the front case assembly face down on a soft surface 4 Remove the slide assembly as described in Section 7 3 30 Slide Assembly Replacement 008 and Lower or Section 7 3 31 Slide Assembly Replacement 010 and Higher 5 Using a 3 16 inch nutdriver remove the two switch mounting screws that attach the injector sensor switch bracket as applicable and switch to the slide assembly Remove the injector sensor switch Note Some infusers do not contain an injector sensor switch bracket 6 Using a 1 4 inch nutdriver remove the screws that attach the injector flange clamp to the front case 7 Mount the replacement injector flange clamp to the front case using the screws removed in Step 6 8 Mount the injector sensor switch and switch bracket as applicable to the injector flange clamp using the screws removed in Step 5 9 Re install the slide assembly as described in Section 7 3 30 or Section 7 3 31 10 Adjust the injector sensor switch as described in Section 7 2 3 Injector Sensor Switch Adjustment Technical Service Manual 7 45 430 04502 003 Rev 4 99 Section 7 REPLACEABLE PARTS AND REPAIRS 11 12 Re assemble the infuser case assemblies in the exact reverse order of disassembly Close and lock the s
183. t adjustable Some configurations of PCA Plus Series Infusers with final assembly numbers 850 04250 006 through 850 04250 008 may not contain an injector sensor switch bracket Recommended tools for this procedure are as follows No 2 Phillips screwdriver 1 4 inch nutdriver 3 16 inch nutdriver 5 16 inch nutdriver and red GLPT insulating varnish To adjust the injector sensor switch refer to Figure 7 2 Injector Sensor Switch 008 Lower or Figure 7 3 Injector Sensor Switch 010 and Higher then proceed as follows 1 Disconnect the infuser from AC power 2 Separate the infuser front and rear case assemblies as described in Section 7 2 2 Separating Front and Rear Case Assemblies Technical Service Manual 5 430 04502 003 Rev 4 99 Section 7 REPLACEABLE PARTS AND REPAIRS Using a3 16 inch nutdriver loosen two switch mounting screws until the switch holder can be easily moved do not loosen the screws so much that the switch bracket rocks from side to side 4 Position the switch bracket parallel to the surface and 1 32 inch from the infuser case tighten the screws 5 Apply red GLPT insulating varnish to the screw heads 6 Re assemble infuser in exact reverse order of disassembly 7 Close and lock security door To verify successful adjustment of the injector sensor switch perform the PVT as described in Section 5 2 MOTOR ASSEMBLY INJECTOR SENSOR SWITCH BRACKET SWITCH MOUNTING SCREM 2
184. t and the AC power cord This procedure details the replacement of the Velcro strap and retainer plate in both locations The recommended tools for this procedure are as follows No 2 Phillips screwdriver and X acto knife To replace the Velcro strap and retainer plate refer to Figure 7 14 Replaceable Parts on Back of Infuser then proceed as follows 1 Remove the two screws that attach the Velcro strap and retainer plate to the back of the infuser Remove the retainer plate and strap Do not discard the strap Note The replacement Velcro strap does not have holes for mounting screws The holes must be cut at the time of installation 2 Place the replacement Velcro strap with fuzzy side down on the work surface Place the retainer plate on the strap in the exact location as on the old strap Use the retainer plate as a template to mark hole locations on the strap 3 Using an X acto knife cut holes in the replacement strap at the marked locations 4 Replace the retainer plate if damaged 5 Install the replacement strap and retainer plate using the two screws removed in Step 1 Replacement of the Velcro strap and retainer plate is a routine maintenance procedure and no verification procedure is normally required However if the infuser may have been damaged during this procedure perform the PVT as described in Section 5 2 7 3 9 SECURITY DOOR REPLACEMENT The recommended tool for this procedure is a No 2 Phillips screwd
185. tact Abbott Laboratories 430 04502 003 Rev 4 99 5 12 LifeCare PCA Plus and Plus Series Infusers 5 3 PVT DATA FORM List Number Serial Number Inspection l Verify that all labels are on the infuser 2 Inspect the electrical cord for damage or foreign material 3 Verify that the control panel switches have no cracks or other damage Verify that the two Velcro straps are present and not damaged Verify that all screws are secured and tight Inspect the case for cracks or stains Inspect the pole clamp and pads for damage Verify that the front panel has no cracks or cosmetic defects Verify that the two bottom pressure pads are present and do not show excessive wear 10 Inspect the security door for any cracks or other damage 11 Inspect the patient pendant for cracked connector housing or cable damage O moe gs Service Test Mode 1 Record software version 2 All tests in service mode pass successfully Delivery Accuracy Test 1 Set up PCA for a concentration of 1 mg mL Deliver two loading doses of 10 0 mL Total 20 0 mL and verify delivery accuracy Record mL specification 19 0 to 21 0 mL Occlusion Test l Initiate 5 mg loading dose and verify occlusion alarm and flashing OCCLUSION message Record psig Specification 008 and below 14 0 to 19 0 psig 96 6 to 131 1 kPa 010 and above 12 4 to 17 5 psig 86 25 to 120 75 kPa PCA Continuous Test l Verify the walking bar is displayed during
186. the PWA in an antistatic bag before placing it on any surface Recommended tools for this procedure are as follows No 2 Phillips screwdriver 1 4 inch nutdriver and 5 16 inch nutdriver To replace the slide clamp levers refer to Figure 7 11 Occlusion Alarm Pressure Adjustment 010 and Higher then proceed as follows 1 Disconnect the infuser from AC power 2 Separate the infuser front and rear case assemblies as described in Section 7 2 2 Separating Front and Rear Case Assemblies 430 04502 003 Rev 4 99 7 36 LifeCare PCA Plus and Plus Series Infusers REPLACEMENT PROCEDURES 3 Remove the cradle assembly as described Section 7 3 21 Cradle Assembly Replacement Lift the slide clamp lever off the pivot post and pull through the front of the infuser Install the replacement slide clamp lever Re install the cradle assembly Re assemble the infuser in the exact reverse order of disassembly me ur ae Close and lock the security door To verify successful replacement of the slide clamp knob and lever perform the PVT as described in Section 5 2 7 3 25 SYRINGE LOW AND SYRINGE SWITCH REPLACEMENT CAUTION Use proper ESD grounding techniques when handling components Wear an antistatic wrist strap and use an ESD protected workstation Store the PWA in an antistatic bag before placing it on any surface The syringe low switch is functional only on PCA Plus Series Infusers and does not require replacem
187. the control panel Attach the harness clamp to the alarm with the longer mounting screw in the upper position 17 Using a small flat blade screwdriver and a 3 16 inch nutdriver attach the printer Dataway connector J10 on the replacement harness to the control panel 18 Remount the control panel on the rear case with the eight Phillips screws removed in Step 7 19 Using a 5 16 inch nutdriver attach the green ground wire in the replacement harness to the control panel 20 Replace the adhesive backed tie wrap clamp removed in Step 5 use care to place it in the same location Using the tie wrap tie the replacement harness to the clamp 21 Connect connector P8 on the replacement harness to J8 on the power supply PWA 22 Re assemble the infuser case assemblies in the exact reverse order of disassembly 23 Close and lock the security door To verify successful replacement of the printer Dataway connector and control panel harness perform the PVT as described in Section 5 2 DATAWAY CONNECTOR 2 CONTROL PANEL HARNESS PATIENT PENDANT JACK CABLE CLIP PIEZOELECTRIC ALARM AUDIBLE LEVEL SWITCH 95F01029 Figure 7 22 Printer Dataway Connector Control Panel Harness and Piezoelectric Alarm Replacement Technical Service Manual 7 47 430 04502 003 Rev 4 99 Section 7 REPLACEABLE PARTS AND REPAIRS 7 3 34 PIEZOELECTRIC ALARM REPLACEMENT CAUTION Use proper ESD grounding techniques when handling components Wear
188. the keylock with the longer wing positioned at the new key number position 8 Turn the master key counterclockwise to position 1 Repeat Steps 3 through 5 9 Tag the PCA infuser with the new key number 10 Re assemble the infuser in the exact reverse order of disassembly Perform the PVT as described in Section 5 2 7 3 44 DOOR LATCH ASSEMBLY REPLACEMENT CAUTION Use proper ESD grounding techniques when handling components Wear an antistatic wrist strap and use an ESD protected workstation Store the PWA in an antistatic bag before placing it on any surface The recommended tools for this procedure are as follows No 2 Phillips screwdriver small flat blade screwdriver 1 8 inch nutdriver 1 4 inch nutdriver 5 16 inch nutdriver 7 16 inch box wrench and 7 8 inch open end wrench To replace the door latch assembly refer to Figure 7 25 Door Latch Assembly Type and Figure 7 28 Door Latch Torsion Spring Placement Type or Figure 7 26 Door Latch Assembly Type B then proceed as follows 1 Disconnect the infuser from AC power 2 Separate the infuser front and rear case assemblies as described in Section 7 2 2 Separating Front and Rear Case Assemblies 3 Using a small flat blade screwdriver and a 1 4 inch nutdriver remove the door lock switch from the door latch assembly Note A small flat blade screwdriver is required only for infusers with final assembly number 850 04250 008 4 Make sure the key is in t
189. then press YES ENTER Press the HISTORY touchswitch to confirm that the infuser settings are as specified Close and lock the security door the display should read DOOR LOCKED TOTAL DELIVERED 1 mg Press the RESET START touchswitch Verify that the walking bar appears in the LED window indicating CONTINUOUS mode delivery Verify that three asterisks appear in the upper left corner The asterisks indicate PCA dosing is available Press the patient pendant pushbutton to deliver a PCA dose verify that a beep sounds and PCA CONTINUOUS displays Verify the walking bar appears in the LED window After approximately two minutes verify the four hour dose limit has been reached and the KVO rate has begun Verify the TOTAL DELIVERED displays 2 5 mg Note If delivered prior to setup the loading dose is not included in the four hour dose limit Press the patient pendant pushbutton three times the infuser should not respond Unlock the security door and remove the injector from the holder verify that the CHECK INJECTOR message flashes Reseat injector and verify that the CHECK INJECTOR message disappears 430 04502 003 Rev 4 99 5 8 LifeCare PCA Plus and Plus Series Infusers PERFORMANCE VERIFICATION TEST 20 With the security door unlocked pull the top of the vial away from the vial holder verify that the CHECK VIAL message flashes Reinsert the vial and verify that the CHECK VIAL message disappears 21 Remove the vial
190. this extension is flattened to allow an opto switch mounted on a bracket on the motor case to sense rotation of the lead screw The opto switch senses the flattened area of the extension For each rotation of the lead screw the opto switch generates a signal SHAFT which is routed to data buffer U8 on the power supply PWA The SHAFT signal is read by the microprocessor on the CPU display PWA as data bit D6 when U8 is gated by the SWSTSEL signal from the CPU display PWA The SHAFT signal provides a feedback loop to allow the microprocessor to control the rotation of the lead screw for the delivery data set up by the touchswitches 4 3 1 2 SLIDE MECHANISM The slide block connects to the lead screw by a half nut The surface of the half nut that contacts the lead screw is machined so that it engages the threads on the lead screw When the lead screw is rotated and the half nut is engaged the slide block moves downward towards the motor assembly Squeezing the arm above the cradle with no syringe mounted in the cradle causes the half nut to disengage from the lead screw The slide mechanism can then be moved up and down on the two guide shafts to the full extent of cradle travel 4 3 1 3 CRADLE ASSEMBLY When an inverted vial is inserted in the cradle assembly the injector flange is held stationary in the injector flange clamp When the slide block is driven downward by the rotation of the lead screw the vial is forced downward and the station
191. tor J8 on the power supply PWA Replace interconnect PWA cable see Section 7 3 38 Replace patient pendant jack or interconnect PWA see Section 7 3 35 or Section 7 3 37 Replace patient pendant assembly LifeCare PCA Plus and Plus Series Infusers PVT TROUBLESHOOTING Table 6 3 Troubleshooting with the PVT PVT Test Failure Possible Cause Corrective Action Battery charger test Section 5 2 10 Electrical safety test Section 5 2 11 Technical Service Manual Loose connection Defective boost charger PWA Defective power supply PWA Insufficient earth connection Defective AC power cord plug Defective AC power cord Check connector J3 on the power supply PWA Check connector P1 and P2 on boost charger PWA Replace boost charger PWA see Section 7 3 39 Replace power supply PWA see Section 7 3 15 Check for adequate earth connection Replace AC power cord plug see Section 7 3 13 Replace AC power cord see Section 7 3 12 430 04502 003 Rev 4 99 Section 6 TROUBLESHOOTING This page intentionally left blank 430 04502 003 Rev 4 99 6 14 LifeCare PCA Plus and Plus Series Infusers Section 7 REPLACEABLE PARTS AND REPAIRS This section itemizes all parts and subassemblies of the infuser that are repairable within the scope of this manual In addition this section describes replacement procedures for all listed parts WARNING POSSIBLE EXPLOSION HAZARD IF T
192. ts Wear an antistatic wrist strap and use an ESD protected workstation Store the PWA in an antistatic bag before placing it on any surface The recommended tools for this procedure are as follows No 2 Phillips screwdriver 1 4 inch nutdriver 5 16 inch nutdriver 1 4 inch open end wrench and Allen wrenches To replace the power supply PWA refer to Figure 7 15 Power Supply PWA and CPU Display PWA then proceed as follows 1 Disconnect the infuser from AC power 2 Separate the infuser front and rear case assemblies as described in Section 7 2 2 Separating Front and Rear Case Assemblies 3 Using a 1 4 inch nutdriver remove the four hex head screws securing the power supply PWA to the spacers If necessary hold the power supply PWA spacers with a 1 4 inch open end wrench while removing the screws Lift the power supply PWA from the spacers Install the replacement power supply PWA in the exact reverse order of removal Re assemble the infuser case assemblies in the exact reverse order of disassembly Oo Close and lock the security door To verify successful replacement of the power supply PWA perform the PVT as described in Section 5 2 430 04502 003 Rev 4 99 7 28 LifeCare PCA Plus and Plus Series Infusers 40 PIN RIBBON CABLE 7 3 16 REPLACEMENT PROCEDURES FLEXIBLE CIRCUIT CABLE CPU DISPLAY PWA NYLON WASHER 4 2 SPACER 4 POWER SUPPLY
193. uitry and is powered by the battery when AC power is off Motor drivers U17A U17B U17C U17D that step the motor through its phases and motor monitoring circuitry U15A U15B U15C 9150 that detects driver and motor malfunctions Technical Service Manual 4 7 430 04502 003 Rev 4 99 Section 4 ELECTRONICS OVERVIEW 4 2 2 1 POWER SUPPLY PWA SYSTEM INTERFACES The power supply PWA receives input from either the isolation transformer T1 or the battery pack via P J3 The power supply PWA interfaces with the CPU display PWA through a ribbon cable connected at P J7 which consists of the microprocessor data bus lines address lines AO Al 5 VDC power and various signal lines The power supply PWA receives the VIALSW signal from P J6 and the other microswitch signals PRESSURESW SYRINGELO SYRINGE EMPTYSW and INJECTORSW from P J4 The motor drive signals and the shaft sensor feedback signals are routed to the power supply PWA via P J 5 The audible alarm signal audible level switch inputs door switch signal and patient pendant input interface with the power supply PWA through a connector P J8 P J8 also routes lines to the printer Dataway connector J10 Test port J11 interfaces with the power supply PWA via P J9 to provide external access to test points throughout the system 4 2 2 2 UNREGULATED DC VOLTAGE The output of AC power transformer is applied to CR14 via connector P J3 14 is a full wa
194. unpacking inspection and self test The battery may not be fully charged upon receipt of the infuser Do not place the infuser in service if it fails the self test The infuser installation procedure consists of unpacking inspection and self test Note Do not place the infuser in service if the battery is not fully charged To make certain the battery is fully charged connect the infuser to AC power for 24 hours 1 6 1 UNPACKING Inspect the infuser shipping container as detailed in Section 1 6 2 Inspection Use care when unpacking the infuser Retain the packing slip and save all packing material in the event it is necessary to return the infuser to the factory Verify that the shipping container contains a copy of the system operating manual 1 6 2 INSPECTION Inspect the infuser shipping container for damage prior to opening Should any damage be found contact the delivering carrier immediately Inspect the infuser for evidence of damage Do not use the infuser if it appears to be damaged Should damage be found contact Abbott Laboratories see Section 6 1 Technical Assistance Inspect the infuser periodically for signs of defects such as worn accessories broken connections or damaged cable assemblies Also inspect the infuser after repair or during cleaning Replace any damaged or defective external parts Technical Service Manual 1 5 430 04502 003 Rev 4 99 Section 1 INTRODUCTION 1 6 3 SELF TEST CAUTIO
195. ure is normally required However if the infuser may have been damaged during this procedure perform the PVT as described in Section 5 2 7 3 13 AC POWER CORD PLUG REPLACEMENT In the event that the AC power cord plug becomes damaged obtain a hospital grade replacement plug The exact procedure for replacing the plug depends upon the construction of the replacement plug The following procedure is intended only as a guide and not as a specific method for plug replacement The recommended tools for this procedure are as follows wire cutters screwdriver and electricians knife To replace the AC power cord plug proceed as follows 1 Remove the damaged plug by cutting the cord near the plug 2 Disassemble the replacement plug to access the plug terminals and to estimate the amount of insulation that needs to be removed from the AC power cord 3 Using an electricians knife remove the appropriate amount of outer insulation from the end of the power cord to expose the three wires in the cable Note that the two AC wires are black and white and the ground wire is green Using wire strippers remove sufficient insulation approximately 1 4 inch from these wires to permit connection of bare connectors to the replacement plug 4 Connect the wires to the replacement plug as appropriate assure that the ground wire is connected to the ground lug on the plug 5 Re assemble the replacement plug 6 Conduct the electrical safety test in
196. v 4 99 INDEX Syringe Low and Syringe Empty Switch 7 37 Velcro Strap and Retainer Plate 7 25 Vial Sensor Switch 7 34 Required Tools and Materials 7 3 7 21 Rubber Foot Pad Replacement 7 61 5 Safety and Equipment Precautions 7 20 Sanitizing the Infuser 5 3 Scope of Manual 1 1 Security Door Latch Replacement 7 26 Replacement 7 25 Self Test 1 6 Separating Front and Rear Case Assemblies 7 4 For Replacement Procedures 7 21 Service Options 5 6 Tests 5 5 Service Test Mode Test 5 4 Setting the Real Time Clock 7 18 Setup 4 2 5 4 Slide Assembly 4 11 Infuser 4 11 Location of Mounting Bolts 7 42 Replacement 008 and Lower 7 43 Slide Clamp Handle Allen Screws Location 008 and Lower 7 36 Knob and Lever Replacement 008 and Lower 7 35 Lever Replacement 010 and Higher 7 36 Slide Mechanism 4 13 Starting Cold 4 1 Warm 4 1 Status Messages 4 2 Syringe Modifying 7 12 Syringe Empty Switch 008 and Lower 7 11 010 and Higher 7 12 Adjustment 7 10 Syringe Low and Syringe Empty Switch Replacement 7 37 Syringe Low Switch Adjustment 7 9 System Operating Manual 3 1 430 04502 003 Rev 4 99 Technical Assistance 6 1 Test Battery Charger 5 10 Delivery Accuracy 5 6 Electrical Safety 5 10 Occlusion 5 7 Occlusion Alarm Switch 7 12 7 13 Patient Control Jack 5 9 Patient Pendant Assembly 5 9 PCA Continuous 5 8 Performance Verification 5 3 Performance Verification
197. v 4 99 Section 5 MAINTENANCE AND SERVICE TESTS 5 2 7 CONTINUOUS TEST To perform the PCA CONTINUOUS test proceed as follows 1 Remove the modified vial from the cradle assembly and set up a standard water filled vial with a 21 gauge butterfly on the distal end of the set CAUTION Do not remove the protective cover from the butterfly needle 2 Insert the vial into the cradle assembly 10 11 12 13 14 15 16 17 18 19 When the LCD screen displays PURGE THE SYSTEM NOW press SILENCE NO touchswitch When the LCD screen displays DRUG Rx MORPHINE 1 MG ML YES OR NO press the YES ENTER touchswitch When the LCD screen displays ADMINISTER LOADING DOSE NOW press the YES ENTER touchswitch Select loading dose of 1 mg Press the YES ENTER touchswitch then press the LOADING DOSE touchswitch When the LCD screen displays SELECT MODE PCA ONLY press the SILENCE NO touchswitch When the LCD screen displays SELECT MODE CONTINUOUS press the SILENCE NO touchswitch When the LCD screen displays SELECT MODE PCA CONTINUOUS press the YES ENTER touchswitch Set PCA dose of 1 mg Press YES ENTER Select a lockout interval of five minutes then press YES ENTER Select a continuous rate of 20 mg hr then press YES ENTER When the LCD screen displays 4 HOUR DOSE LIMIT SET press YES ENTER Select a 4 HOUR DOSE LIMIT of 1 5 mg
198. vary consult the manufacturer for specific information Table 5 1 Cleaning Solutions Super Edisonite S M Edison Chemical Co Per manufacturer s recommendation Household bleach Various Per hospital procedures do not exceed one part bleach in ten parts water LifeCare Manufactured for Abbott Per manufacturer s Germicidal Laboratories recommendations use undiluted Towelette 430 04502 003 Rev 4 99 LifeCare PCA Plus and Plus Series Infusers PERFORMANCE VERIFICATION TEST 5 1 3 SANITIZING THE INFUSER Sanitize the external surfaces of the infuser using a cleaning solution listed in Table 5 1 Cleaning Solutions CAUTION Do not sterilize the infuser using heat steam ethylene oxide ETO or radiation these methods may cause the instrument to malfunction Note Not all cleaning solutions are sanitizers Check product labeling 5 2 PERFORMANCE VERIFICATION TEST As a part of a preventive maintenance schedule it is recommended that the performance verification test PVT be conducted periodically per hospital procedures for compliance to accreditation requirements The PVT is used for overall verification of infuser performance and as a diagnostic tool during infuser troubleshooting The PVT can be used for diagnostic purposes during the troubleshooting of a malfunctioning infuser and for verification of the overall performance of an infuser as part of a preventive maintenance schedule In addition t
199. ve rectifier capacitor C16 filters the resulting DC voltage When AC power is on operational amplifier U12A transistors Q4 and Q2 and voltage reference U18 charge the battery Transistor Q1 gates the unregulated voltage to 09 and U10 which are 5 regulators for the logic power and motor power Operational amplifier U3 monitors the unregulated voltage and provides DISBATT and LOBAT signals to U11 The DISBATT and LOBAT signals are derived from two voltage thresholds produced from a precision resistor network 4 2 2 3 ON OFF LATCH Unregulated DC voltage is present in the power supply when either AC or battery power is available A supply of 5 VDC is available from the unregulated DC voltage by precision voltage references U5 and 06 The voltage powers U13 and 014 which make up ON OFF latch The ON OFF latch is a set reset flip flop set by the injector or vial switches being closed or by the ON touchswitch being pressed The output of the ON OFF latch drives the gate of Q5 Q5 drives the base of Q1 which connects the 5 VDC logic and motor regulators with the unregulated DC voltage Gates from U13 014 prevent the OFF RECHG touchswitch from resetting the ON OFF latch when a malfunction is being reported via the MALF line 4 2 2 4 PRINTER DATA LATCH The printer data latch latches data from U11 to send out of the printer port as printer data 430 04502 003 Rev 4 99 4 8 LifeCare PCA Plus and Plus II Series Infu
200. ver 3 16 inch nutdriver 5 16 inch nutdriver and grease To replace the slide assembly refer to Figure 7 21 Location of Slide Assembly Mounting Bolts then proceed as follows 1 Disconnect the infuser from AC power 12 13 14 15 Separate the infuser front and rear case assemblies as described in Section 7 2 2 Separating Front and Rear Case Assemblies Remove the following using the procedures described in the corresponding sections Slide clamp knobs and levers Section 7 3 23 Cradle assembly Section 7 3 21 Vialsensor switch Section 7 3 22 Syringe low and syringe empty switches Section 7 3 25 Occlusion pressure switch Section 7 3 26 Using a 5 16 inch nutdriver remove the three hex head bolts that mount the slide assembly to the front case Lift the slide assembly from the front case and place it on its right side on a soft surface use care not to damage the vial switch that protrudes from the slide assembly Remove the injector sensor switch as described in Section 7 3 27 Injector Sensor Switch Replacement Remove the plastic cable clamp from the slide assembly remove the switch wiring harness Remove the motor assembly from the slide assembly as described in Section 7 3 28 Motor Assembly Replacement 008 and lower Mount the motor assembly on the replacement slide assembly 10 11 Replace the injector sensor switch removed in Step 6 Using th
201. w switch SYRINGE EMPTY BRACKET ARM DIRECTION OF TRAVEL SYRINGE LOW SYRINGE EMPTY BRACKET ARM SWITCH SYRINGE LOW SWITCH 94F14012 Figure 4 3 Syringe Low and Syringe Empty Alarm System 008 and Lower 430 04502 003 Rev 4 99 4 14 LifeCare PCA Plus and Plus Series Infusers MECHANICS OVERVIEW DIRECTION OF TRAVEL SYRINGE EMPTY SWITCH ARM 95F01036 Figure 4 4 Syringe Empty Alarm System 010 and Higher 43 9 OCCLUSION PRESSURE ALARM SYSTEM The OCCLUSION alarm occurs when backpressure of 15 5 psig 103 5 34 5 kPa is exceeded Backpressure is sensed by the occlusion pressure microswitch on the top plate of the slide assembly see Figure 4 5 Occlusion Pressure Alarm System 008 and Lower and Figure 4 6 Occlusion Pressure Alarm System 010 and Higher During a normal delivery cycle rotation of the lead screw moves the slide block downward which moves the cradle assembly downward and forces fluid out of the syringe If there is an occlusion in the administration set backpressure builds up in the delivery system and downward motion of the slide block is restricted A longitudinal slack in the lead screw exists so that when the downward movement of the slide block is restricted rotation of the lead screw forces the slide block upwards against a compression spring between the top of the lead screw and the top plate When a given amount of pressure is applied against the compression
202. y 1 8 1 1 82K C3 sb 19 U18 FE 34 8 1 1 358 N FLK BLRCK Sy P2 1 lt a 1119696 1 2 T 5 1 COBAT REF n VIOLET 0 BAT 34 938 SHT 2 BAT P2 3 K lt 3 EM z BRTTERY MAINS i 26 7K MONITOR PRINT PRINT m i lt 5 lt 8 8 RUDHI TEST PORT PATIENTSH 19 ADR B DOORSW SREF 12 5 2 2 5 SHT 2 SYRINGE EMPTYSH SYRINGE LOSH 13 5 T 4071 8 PRESSURESW 14 1 3 MALF gt SHT 2 L 013C VIALS 2 2 77 INJECTORSH a 077 4 R 15 1 sese uu St 11 C Lcis 52 00 07 1N6263 013010 12 J6 9 61 4093 E 833 10K TS LE 1 CPUOFF GND 2 TOF sH 2 ia SHT 2 VIALSW 2 VIAL SHT 2 BN LN SHT 2 Ki Doon SHT 2 J4 NSH 4115 CEN IRE SHT 2 INJECTORSH 1 1 1NU1UB 5 TO ON i MECHRNISM i 5 KS 585 Lie 20 R2 ic vec 28 s PRESSURESW PREIM 2 171 18 Do SHT 2 SREO 1Y2 18 01 SHT 2 SYRINGE LOSH lt 2 SREM 6 yg 173114 02 SHT 2 PATIENT 8 qyypie a SHT 2 SYRINGE EMPTYSH lt 4 4 4 YES ENTR 11 2Y1 3 Du 2 REV CHG 13 282 2Y2 7 05 SHT 2 SHAFT 15 283 2 5 06 SHT 2 ssy 21027 7 SHT 2 8
203. yringe low switch and green wire to the top terminal of the syringe empty switch 8 Re install the switches on the switch mounting bracket 008 and lower only Note the two flat washers between the switches Technical Service Manual 7 37 430 04502 003 Rev 4 99 Section 7 REPLACEABLE PARTS AND REPAIRS 9 Re attach the switch mounting bracket 008 and lower or switch 010 and higher to the slide assembly 10 Tie the switch wires to the wiring harness with a small tie wrap 11 Adjust the syringe low switch as described in Section 7 2 5 Syringe Low Switch Adjustment PCA Plus Only as required Adjust the syringe empty switch as described in Section 7 2 6 Syringe Empty Switch Adjustment as required 12 Re assemble the infuser case assemblies in the exact reverse order of disassembly 13 Close and lock the security door To verify successful replacement of the syringe low and syringe empty switch perform the PVT as described in Section 5 2 7 3 26 OCCLUSION PRESSURE SWITCH REPLACEMENT CAUTION Use proper ESD grounding techniques when handling components Wear an antistatic wrist strap and use an ESD protected workstation Store the PWA in an antistatic bag before placing it on any surface The recommended tools for this procedure are as follows small flat blade screwdriver No 2 Phillips screwdriver 1 4 inch nutdriver 5 16 inch nutdriver soldering iron solder and small tie wrap To replace the occlusion pre
204. ystem that connect to the data bus 013 latches in these lines and uses them with CPU lines AD8 through AD15 for the system address bus consisting of addresses AO through A15 4 2 1 3 CHIP SELECT CIRCUITRY U6 is a 3 to 8 multiplexer that decodes address bits through A4 when gated by A7 and A15 to provide eight I O chip select signals CSO through CS7 These chip select signals the bus read command BRD and the bus write command BWR are used as system control signals see Table 4 2 CPU Display PWA Control Signals Technical Service Manual 4 5 430 04502 003 Rev 4 99 Section 4 ELECTRONICS OVERVIEW Table 4 2 CPU Display PWA Control Signals Routed to power supply PWA used as chip select input CS to PPI U7 BEDS UE 4 21 4 ANALOG TO DIGITAL CONVERTER ADC The ADC 019 inputs the enable signals to the LEDs The ADC provides data outputs that represent LED display status to the microprocessor data bus by decoding addresses and A2 The ADC provides a digital representation of eight analog inputs INO through to U11 INO monitors the current consumption of and the LED display buffer through differential amplifier U18A Analog inputs IN1 through IN6 monitor the outputs of U3 cathodes of the LED displays to check for shorted or open LEDs IN7 monitors the 2 5 VDC precision voltage reference to compare it against the supply voltage applied to the ADC 4 2 1 5 LCD DISPLAY INTERFA

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