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ALARIS ® - Harp Medical

1. 0 0 0 ee 2 1 2 4 Configuration Procedure sss or x REX a RE ewe ee 2 2 Signature Editione GOLD Models 7130 7131 and 7230 7231 i Technical Service Manual TABLE OF CONTENTS 2 4 1 Entering Configuration MOd oes Ewa end xam ames E TW ER nee es 2 3 2 4 2 N etubg to DeraullS bd aval ei OH rat Padua e OE C UR opu eoa 2 3 2 4 3 Regional Settings nw Se uoa Fa RS xe cac RN QE pi d deor 2 4 24 4 Setting Air in Line Threshold 6 0050 cee eee e 2 4 245 RIOS sa eI WO ROBAR CUR Roe eost a AA ceed te eta as 2 5 2 4 6 Setting Maximum Rate uos em kinks vad aaa tee eee Ree Se are 2 6 24 f Setting Comp ter LINK scoe central ae cx ee HC RU SUR tieu deed ns 2 6 2 4 8 Setting Optional Modes cociendo E i Seb ges I ma RULES 2 7 24 9 Setting Optional Features sce e Red cn sates eee Rev ES RR ER S 2 8 24 10 Setting KVO Rat nickel o bey x e Ease bt xd a a 2 9 2 4 11 Setting Dynamic Monitoring System Features 0 0 00 cee eee 2 10 24 12 Setting Audio Volume 2 suo RE eeee dete bb ER RET EXE EM LEM 2 13 2 4 13 Setting Configuration Name Instrument ID Label o o ocococoooo o 2 14 2 4 14 Resistance Options o o es 2 15 24 15 Pressure Options css eR RR Re xa Re RR d 2 16 2 4 16 Manual Baseline xia ates o ARREST 2 17 2 5 Transferring Settings to Another Instrument llle 2 18 2 5 1 Learn Teach Instrument Procedure aeaaaee a 2 18 2 5 2 Pop Up Displays ai
2. Signature Editione GOLD Models 7130 7131 and 7230 7231 5 35 Technical Service Manual CORRECTIVE MAINTENANCE 5 4 TEST AND CALIBRATION 5 4 7 Hard Pressure Cal Procedure 4 10 11 Continued Do not disconnect any cables Adjust pole clamp so knob is facing downward Lay front case on desk bench top Locate pot under motor and on backside of transducer Evaluate sensor in D6 Pressure Calibration page see Troubleshooting chapter as follows a Press lower left soft key four times to see Count value b If Count value is between 875 and 1275 go to start of Pressure Cal screen Verify Sensor reading is between 80 and 30 mmHg after set is removed repeat for other channel if necessary If not perform soft pressure calibration c If Count value is less than 875 or more than 1275 perform hard cal for this channel Adjust transducer pot for a Count value of 1175 25 counts Once transducer is adjusted for proper reading press ok to accept value Close instrument by setting bottom of front case onto rear case using case bosses for alignment For a dual channel instrument route long ground wire into corner of case boss Ensure ground wires do not rub against mechanism Check for proper routing of cables Close case by following pattern and tightening procedure outlined in Assembling Pump section earlier in this chapter Continued
3. 1 Advance to C5 page 2 Press and release Manual Baseline soft key to select for editing 3 Press On soft key to cycle between On and Off 4 Press ok to accept change and return to beginning of C5 page OPTIONS AB Manual Baseline 10n 5 el ef ae 4 4 Signature Editione GOLD Models 7130 7131 and 7230 7231 2 17 Technical Service Manual CHECKOUT AND CONFIGURATION Software Versions 4 06 and Higher 2 5 2 5 1 TRANSFERRING SETTINGS TO ANOTHER INSTRUMENT Once an instrument has been programmed to meet technical and clinical needs the settings can be transferred to other instruments The programmed instrument is referred to as the Teacher and the other instrument is referred to as the Learner NOTE Only the configuration settings will be transferred The instrument ID number periodic maintenance settings and other settings from the diagnostics mode will not be transferred The Guardrails Safety Software Datasets will NOT be transferred Connect a standard 9 pin Null Modem RS 232 cable double male ALARIS P N 133450 to the RS 232 ports on the instruments NOTE Instrument software versions 4 06 and 4 08 use same Rev 01 24 and can be used to learn teach one instrument to the next Learn Teach Instrument Procedure NOTE The Learn Teach function will not work if the version level for Learn Teach is not the same on both inst
4. 12 Wait 30 minutes for transducer to warm up again and check that compensated value is still in range as noted earlier 13 Perform soft pressure cal procedure after 30 minute warm up as follows a Install 70ISS Press Cal Set b Advance to D6 page in diagnostics mode Select Cal Pressure for desired channel c Press soft key next to O mmHg Verify display reads Pass to right of 0 mmHg value and Fail for 500 mmHg and Complete Press Cal now replaces Sensor reading d Attach pressure meter and squeeze ball to end of pressure cal set Apply 500 2 mmHg e Press soft key next to 500 mmHg Verify both 0 and 500 values now say pass f Press ok to accept Soft Cal is now complete 5 4 8 Checking Pressure Calibration Set 1 Go to Diagnostics Mode D6 page to access Pressure Calibration section 2 Note sensor reading 3 Install pressure calibration set 4 If sensor reading has had a greater than 20 count shift or pressure calibration set leaks replace set NOTE The disposable set 80VCS cannot be used for more than 30 rate accuracy verification runs 15 rate cal number changes 5 36 Signature Editione GOLD Models 7130 7131 and 7230 7231 Technical Service Manual CORRECTIVE MAINTENANCE 5 5 LEVEL OF TESTING GUIDELINES NOTES The disposible set 7ORCS cannot be used The following tests should be performed for more that 40 rate accuracy verification whenever the instrument is
5. 3 4 5 Instrument ID Serial Config Name Instr Label Location Regional Settings Air In Line Threshold Reset Accumulator pl pl pl pl pl Profiles Dose Rate Calculator Generic Dose Rate Calculator only Maximum Rate mL h mL h mL h mL h mL h mL h Computer Link Mode Baud Rate Parity Optional Modes Loading Dose Dose Rate Multi Step Multi Dose Optional Features Panel Lock VTBI Multi Dose Alert KVO Rate mL h mL h mL h mL h mL h mL h Table Continued on Next Page 2 20 Signature Editione GOLD Models 7130 7131 and 7230 7231 Technical Service Manual CHECKOUT AND CONFIGURATION Software Versions 4 06 and Higher Table 2 3 Record of Configured Instruments Continued 1 2 3 4 5 Monitoring Options Mode Restarts Trends Audio Volume Trans Tone Resistance Options Resist Display Resist Alarm Default Alarm Alarm mmHg mmHg mmHg mmHg mmHg Pressure Options Pressure Display Pressure Alarm Maximum Pressure mmHg mmHg mmHg mmHg mmHg Default Alarm mmHg mmHg mmHg mmHg mmHg Manual Baseline 8 Instrument ID Serial is accessed through Diagnostic Mode Refer to the Entering Diagnostic Mode section in the Troubleshooting chapter Signature Editione GOLD Models 7130 7131 and 7230 7
6. 3 2 4 Rate Calibration Procedure To maintain system accuracy the rate calibration should be done first followed by a verification rate test when doing Preventive Maintenance or post repair testing 1 Change Cal to 0 0 to run rate calibration and calculate a new calibration number NOTES Once the Rate Cal is set to 0 0 and accepted the instrument will need to be run for at least two seconds before the Rate Cal can be changed to a non zero value If not the instrument will display Do Rate Accuracy Test at 0 The instrument will not allow one non zero value to be changed to another non zero value Rate Calibration is run at the nominal value 0 096 so that the percentage can be directly entered in the instrument without another calculation 2 Run rate calibration using an 80VCS set at 400 mL h with a VTBI of 40 mL and VI reset to zero Follow procedure in Post Calibration Rate Accuracy Verification section steps 1 23 and then determine rate calibration number in 96 as shown below Signature Editione GOLD Models 7130 7131 and 7230 7231 3 3 Technical Service Manual PREVENTIVE MAINTENANCE 3 2 3 2 4 PREVENTIVE MAINTENANCE INSPECTIONS Continued Rate Calibration Procedure Continued Calculate volume accuracy as follows Volumetric Volume Accuracy Error Computation Vcollected volume in burette in milliliters Vexpected characterized volume printed on 80VC
7. e outside a range of 5 5 to 7 0 from expected volume return instrument to ALARIS Medical Systems for repair or replace mechanism 27 Set stopcock to drain fluid in burette to zero level in preparation for next test NOTE If additional low rate 5 to 20 mL h testing is desired use an 80VCS set and collect at least 6 mL of fluid The results should be 5 of the expected output At lower rates less than 5 mL h evaporation may need to be prevented or accounted for in the results Calibration must be performed at 400 mL h and collecting 40 mL of fluid 3 2 6 Pressure Calibration 1 Place instrument on bench or other flat surface and connect to AC power Connect pressure meter pressure source and reservoir to pressure calibration set Refer to Figure 3 1 Pressure Test Setup Install a pressure cal set 70ISS into instrument Enter Diagnostics Mode by pressing and holding top soft key then turn instrument on and release soft key when diagnostics display appears Refer to Entering Diagnostics Mode section in Troubleshooting chapter Signature Editione GOLD Models 7130 7131 and 7230 7231 3 7 Technical Service Manual PREVENTIVE MAINTENANCE 3 2 PREVENTIVE MAINTENANCE INSPECTIONS Continued 3 2 6 Pressure Calibration Continued 5 Advance to D6 page by pressing Page soft key 5 times On D6 page press Cal A Pressure or Cal B Pressure dual channel D6A or D6B wi
8. 232 Board d Remove screw on RS 232 board using Phillips screw driver then remove the RS 232 board 5 To replace the line filter remove screw from Line Filter using Phillips screw driver Figure 9 13 Remove two screws from exterior power connector using Phillips screw driver Remove exterior power connector and Line Filter assembly 6 To replace speaker fan assemblies spread clips and remove the fan or speaker Disconnect from RS 232 Board if necessary 5 8 Signature Editione GOLD Models 7130 7131 and 7230 7231 Technical Service Manual CORRECTIVE MAINTENANCE 5 2 DISASSEMBLY REASSEMBLY Continued 5 2 2 Disassembly of the Rear Case continued Figure 5 9b Rear Case Power Supply Power Supply Cable Power Supply S IN aS a Board Assembly Y A q eu Signature Editione GOLD Models 7130 7131 and 7230 7231 5 9 Technical Service Manual CORRECTIVE MAINTENANCE 5 2 DISASSEMBLY REASSEMBLY Continued 5 2 2 Disassembly of the Rear Case continued 7 To replace Pole Clamp a Remove power supply board assembly b Remove hardware securing pole clamp to heat sink Figure 5 14 Pole Clamp Assembly Stainless Steel Knob new version NOTE An older version of the pole clamp was installed using a shoulder screwand wave washer A 3 16 allen wrench is needed to remove shoulder screw Discard shoulder screw and wave washer g R
9. AIB OPTIONS W Pressure Dsply On Pressure Alarm Adj al Max Press 600 mmHg Def Alarm 600 mmHg g undo ok i ABI OPTIONS d Baseline el elu 4 6 OPTIONS AB ON carn Rev 01 24 6 Q1 Teach Rev 01 24 page amp 6 OPTIONS Learn Status Awaiting Download el cancel start 6 AB AB Teach Status OPTIONS Awaiting Start 7v 2D15 GOLD 2 24 Signature Editione GOLD Models 7130 7131 and 7230 7231 Technical Service Manual Chapter 3 PREVENTIVE MAINTENANCE WARNING 3 1 INTRODUCTION Failure to perform regular and preventive To ensure the Signature Editione GOLD maintenance inspections may result in improper Infusion System remains in good operating instrument operation condition regular and preventive maintenance inspections are required Regular inspections must be performed by hospital facility before each use Preventive maintenance inspections should be performed once a year in accordance with ALARIS Medical Systems requirements and guidelines A maintenance reminder will occur after 52 weeks unless the feature has been changed to select a different time interval or has been disabled These inspections are also intended to complement the intent of JCAHO requirements Use Table 3 1 PM Inspections to record the completi
10. AIB OPTIONS QN Loading Dose On e Q1D0se Rate On AM Multi Step Off Y MMulti Dose Off Y undo ok m m 6 6 6 AB ME Panel Lock On VTBI On 3 198 Multi Dose Alert Off undo ie l AIB Oy KVO Rate gt 4 OPTIONS Q1 Monitoring Options el Audio ee Configuration Name page ici F i OPTIONS AN KVO Ras 1 5 0 mL hr i d AB OPTIONS Q 1 Mode Pressure el Restarts 3 Y EFTrends On Undo B ias l ATIB OPTIONS C Audio Q1 Volumes Low Med Hi ef Trans Tones On el Undo i ry i TAB OPTIONS ABCDEFGH KLM MNOPQRSTUVWXYZ 0123456789 undo enter M Config Name IVAC 4 O i Technical Service Manual Signature Editione GOLD Models 7130 7131 and 7230 7231 2 23 CHECKOUT AND CONFIGURATION Software Versions 4 06 and Higher Map of Configuration Screens Continued TAB Ed Resistance Options Qa Pressure Options y Manual Baseline page OPTIONS E ya AB i OPTIONS E Resist Display On Resist Alert On ga Default Alert 100 Alarm 600 mmHg undo tad
11. Battery Gauge Bargraph 4 Alphanumeric Characters 3 Audio icons Computer Crt mon icons Tamper icons Battery Charge Control Battery Monitor Battery Gauge Interface Power On Off Control VAO 5V Batt Proc Vneg 15V Vpos 6V Battery Cha mer 4 Hour Charge Rate NiCad NIMH Capable Rotation Flag AIL Sensors Pressure Sensor Latch Sensor Channel B 4 6 Signature Edition GOLD Models 7130 7131 and 7230 7231 Technical Service Manual PRINCIPLES OF OPERATION 4 5 POWER SYSTEM Continued 4 5 4 Battery Manager Continued ceramic resonator RESN1 In normal operation the Battery Manager operates at 4 MHz Under low power condition instrument is off and AC is unplugged the Battery Manager switches to the lower frequency to save power The battery manager is turned on for three seconds every minute when the instrument is off and connected to AC power The Battery Manager has the following functions Instrument on off Battery charge control Battery gauge Battery warning and alarm Realtime clock Displays configuration name Instrument icon display Figure 4 4 Battery Manager Block Diagram AC SUPPLY E e AC POWER SENSOR VOLTAGE CURRENT ANALOG AA CIRCUITS TEMPERATURE A ON OFF SWITCH nter processor communications Processor self test Error detection battery temperature input current integrator power on off and
12. Install flat washer over end of pole clamp mounting pin on top of wave washer Exposed Groove Top View Mounting Pin Incorrectly Installed Narrow Gap ZU cS Top View Correctly Installed 5 14 Signature Editione GOLD Models 7130 7131 and 7230 7231 Technical Service Manual CORRECTIVE MAINTENANCE 5 2 5 2 4 DISASSEMBLY REASSEMBLY Continued Disassembly of Front Case Continued e If replacing AIL receiver perform step 8 before continuing with AIL transmitter replacement f Remove AIL gear and AIL transmitter from mechanism g Move mechanism latch to right open position h Slide new AIL transmitter through faceplate Rotate AIL transmitter to open vertical position Figure 5 22 Thread AIL transmitter wire through AIL gear CAUTION Grease was applied to new AIL transmitter for lubrication purposes Do not remove grease when installing new AIL transmitter into mechanism Do not apply additional grease to AIL gear i Slide on AIL gear and align AIL gear tab Figure 5 21 j Press AIL gear into place Figure 5 25 Flat Edge of AIL Receiver Flat Edge J a O Mechanism Seal NOTE When AIL gear is pressed onto AIL transmitter AIL transmitter may shift slightly as gear locks into place k Use needle nose pliers to lock gear tab into place Turn mechanism latch to far left closed position and check AIL transmitter alignment AIL transm
13. Part Number Description 040 143251 001 Keypad Main 7130 2 143252 001 Keypad Main 7230 2 143255 001 Keypad Main ENG 7131 143256 001 Keypad Main ENG 7231 143253 001 Keypad Main GLOBAL Symbols only 7131 143254 001 Keypad Main GLOBAL Symbols only 7231 146618 002 Keypad Main UK Primary only 7131 146619 002 Keypad Main UK Primary only 7231 055 144308 Single Channel Board Assembly 2 78 7130B 144128 Single Channel Board Assembly 2 78 7131A 147941 100 Single Channel Board Assembly 4 06 7130D 147941 101 Single Channel Board Assembly 4 08 7130E 7131B 144307 Dual Channel Board Assembly 2 78 7230B 144129 Dual Channel Board Assembly 2 78 7230A 147942 100 Dual Channel Board Assembly 4 06 7230D 147942 101 Dual Channel Board Assembly 4 08 7230E 7231B 070 142850 LCD Module Graphic 080 142475 LCD Module Lower 100 141004 LED Module 201 141468 Mechanism Assembly New 250 141496 100 Case Front Single Channel oreder keypad label and feet seperately 141498 100 Case Kit Front Dual Channel oreder keypad label and feet seperately 416 305318 Rubber Feet 463 305237 Screw Mach M3 x 10mm PNH NOTE If model is not specified the part can be used on all versions 7100X 7100E 7100F 7100G 120V VERSION 7101X 7101A 220V VERSION 7 8 Signature Edition GOLD Models 7130 7131 and 7230 7231 Technical Service Manual ILLUSTRATED PARTS BREAKDOWN Figure 7 3a Front Case Assembly Single Ch
14. Set all Configuration N e al items to their default values cancel i4 i Signature Editione GOLD Models 7130 7131 and 7230 7231 2 3 Technical Service Manual CHECKOUT AND CONFIGURATION Software Versions 4 06 and Higher 2 4 CONFIGURATION PROCEDURE Continued 2 4 3 Regional Settings 1 From C2 page press Regional Settings soft key TAIB OPTIONS Mia Set To Defaults C E Regional Settings gir In Line C Profiles page ii d 2 Press and release Region soft key to select for editing Press again to cycle through region choices N America European IA B N Regional Settings C QI Region N America ftlanguage English el undo ok b 6 OPTIONS NOTES Language has only English options at this time Instruments configured in European Regional Settings with profiles OFF do not have a drug list When Dose Rate Calculator is chosen from OPTIONS menu followed by Enter New Program the instrument defaults to generic drug dose rate calculation 3 Press ok to accept change and return to beginning of C2 page 2 4 4 Setting Air in Line Threshold The air in line threshold sets the bubble size sensitivity The air in line reset allows the clinician to respond to an AIR IN LINE alarm assess the clinical significance of the air and choose whether or not to continue the in
15. 3 Press and hold POWER key for 5 seconds 4 Reconnect battery and connect instrument to AC power Battery Refresh procedure has been initiated and will continue to run until complete whether instrument is on or off generally 12 to 24 hours Instrument needs to be connected to AC power during this period Disconnecting instrument from AC power will stop refresh cycle Signature Editione GOLD Models 7130 7131 and 7230 7231 3 9 Technical Service Manual PREVENTIVE MAINTENANCE 3 2 PREVENTIVE MAINTENANCE INSPECTIONS Continued 3 2 10 Reset Time 1 Enter Diagnostic Mode and advance to D2 page 2 Reset hours and minutes as needed from time reference Refer to Setting Time and Date in the Troubleshooting chapter NOTE Clock will lose about 3 minutes per month since it is not a true real time clock Once reset the previous loop will not be affected or adjusted 3 2 11 Reset PM Due Enter Diagnostic Mode and go to D2 page Access PM Setup and reset PM Due by pressing lower left soft key 3 3 STORAGE AND CLEANING Refer to the applicable Signature Edition GOLD DFU 3 3 1 Storage The instrument may be stored without connection to AC power It will automatically disconnect the battery when the voltage gets too low To reuse the instrument after storage connect it to AC power for a minimum of three 3 hours before placing it back into service When temporarily taking instrument out of
16. 4 BE ores Medis x dd e eae NASA T red aaa 5 34 Test Rum MO 2 2 2 54 aset n a dp cde a Noles e ar end 5 34 Hard Pressure Cal Procedure cem e GORE RUP RA MCN C Md 5 35 Checking Pressure Calibration Set 00 es 5 36 Level of testing guidElines io ket RR ERE ERE RR RE RR be 5 37 Chapter 6 Troubleshooting 6 1 6 2 6 2 1 6 2 2 6 2 3 6 2 4 6 2 5 6 2 6 6 2 7 6 2 8 6 2 9 6 2 10 6 2 11 6 2 12 6 2 13 6 4 14 6 2 15 IMTOdUCION M PCI m 6 1 Diagnostics Mode yaiua aiie ena etra a bbe eot d 6 11 Entering Diagnostics Mode 524 ee ER HR ak SAS ta Ld at n 6 11 Setting Preventive Maintenance Interval aaau aaaea 6 12 Viewing Alarm or Error History Event Log 0 000 ce eee ee 6 13 Setting Time and Date cssc xr ieee Red Pe RE Ree OE REY E ae eS 6 16 Viewing Battery Status so ne 069 a RR RI Re REESE ee RP eee 6 16 Changing Rated Capacity of Battery liliis 6 17 Viewing DC Voltages 5d sek meo RE c RR RH RR Spr dE 6 18 Setting ID Number cero a LA S cok lo ie tM Sii eit 6 18 Viewing Battery and Total Run Times 0 0 0 e eee ee 6 19 Viewing Self Check Timer 2 2 0 0 05 02 cee bee eee 6 19 Testing Channel Sensors 0 ee ee ee a ee 6 20 Viewing Changing Rate Calibration 0 0c ee 6 21 TESUNO MAIMEGO iei A otk a eee BE A aad ae tah AUR 6 22 Testing Aux Lowen EOD uu cao RC Rex eae sw he ee daa ee a E Hen ees 6 22 TESIS WIGHES 1 91 ot Lacie pd d edu dpud dte IDE
17. Integrated Circuit which incorporates timing address decoding digital I O and other system glue functions The Combo IC has a 16 bit CRC generator which is used to periodically test the Flash EEPROM data The COMBO IC also contains the local serial interface control logic used to interface to serially accessed peripherals such as the A D EEPROM LED Module s and Battery Manager Additional information can be found in the section below COMBO IC The kernel data communications function supports RS 232 level serial communications up to 19200 baud The UART function is embedded in the COMBO IC while the RS 232 interface is based on an industry standard RS 232 level converter chip The communications channel is EMI filtered and ESD protected to 10 kV with components on the RS 232 Nurse Call board and is not electrically isolated The interface supports two signals TxD and RxD along with ground Signature Editione GOLD Models 7130 7131 and 7230 7231 4 3 Technical Service Manual PRINCIPLES OF OPERATION MAIN PCB Continued 4 4 2 COMBO IC The COMBO IC U10 U14 is a 160 pin PQFP device which supports a variety of kernel functions primary audio support digital I O and other functions The COMBO latches the address bus and outputs the latched addresses as A19 A16 and A7 AO The COMBO IC has a 16 bit CRC generator which is used to periodically test the Flash EEPROM data The RAMTEST circuit provides redunda
18. MAINTENANCE THIS PAGE INTENTIONALLY LEFT BLANK 3 12 Signature Edition GOLD Models 7130 7131 and 7230 7231 Technical Service Manual Chapter 4 PRINCIPLES OF OPERATION 4 1 4 2 INTRODUCTION This chapter describes the mechanical and electrical systems that comprise the Signature Edition GOLD Infusion System GENERAL INFORMATION The main PCB for both the single and dual channel instrument is a double sided multi layered Surface Mount Technology SMT board If a board is determined to have failed it can be replaced or the instrument can be returned to ALARIS Medical Systems for repair ALARIS Medical Systems does not provide replacement components for repair of SMT boards nor does ALARIS Medical Systems recommend attempting field service of the instrument s SMT circuit boards Full board assembly schematics are not included with this service manual The AC off line switcher and RS 232 boards are replaced as an assembly If a board is determined to have failed it is replaced with a new board for part number refer to Illustrated Parts Breakdown chapter ALARIS Medical Systems does not provide replacement components for repair of these boards Both single and dual channel instruments function in the same manner however they use two different main PCBs The component reference designations are therefore different for each board To help distinguish between the single and dual channel instrumen
19. Tanni E S E A E E a S E a aE E a N I OA 2 19 Chapter 2 for Software Version 2 78 Checkout and Configuration 2 1 Introduction ra A E E E E EA ah Bir ets At E Re a A 2 1 2 2 New Instrument Checkout 2 0 20 aaaea eee eee eee 2 1 2 3 Configurable options and defaults 0 0 ee 2 1 2 4 Configuration Procedure 5 ec00s eoree ae ee hae ee en ee hy Ree Pees eee 2 2 2 4 1 Entering Configuration Mode oi gree eR oe bas eu Meese wea ee weeded 2 3 2 42 Setting to Defaults 545 dI ER REXAE ERU eee Sh Gd NUR EE RM EUAS 2 3 243 Setting Language oeste xe ck ER Ed aen Y eee RN eee wend de d 2 4 244 Setting Air in Line Threshold 0o ooooocoooooorornnr rr 2 4 2 4 5 Setting Dose Rate Drugs 5 ise OR BSS a SE Pin AN Eke Sees 2 5 Signature Edition GOLD Models 7130 7131 and 7230 7231 Technical Service Manual TABLE OF CONTENTS 2 4 6 Setting Maximum Rate oy sic eo ois cedes eee te eed da ee he ees be ene ee 2 8 2 47 Setting Computer Link pdas dl eeu a ew eld a soy edu veda CP DE boa tns 2 8 2 4 8 Setting Optional Modes ixi a Ee RES Sr baee eq em e RENE Ente E 2 9 24 9 Setting Optional Features cuu e a RIRs 2 10 24 10 cSet ng KVO Rate onerosa uis 2 10 2 4 11 Setting Dynamic Monitoring Features llli 2 11 2 4 12 Setting Audio Volume 25 59a ea Red E oe Bera SYA Pee ere a s 2 14 2 4 13 Setting Configuration Name Instrument ID Label 00 0 2 15 2 5 Transferring Settings
20. Ue ER RAE te SE e a a 7 19 Packing Materials us ze sro dre ede eR VE DR eee d UE e ERU 7 20 14 Signature Editione GOLD Models 7130 7131 and 7230 7231 Technical Service Manual Chapter 1 GENERAL INFORMATION CAUTION 1 1 INTRODUCTION Do not use sharp objects pens pencils etc This manual covers Signature Edition Gold to activate switches as this will damage the Infusion Pumps with software versions keypad 2 78 4 06 4 08 and higher It is used in conjunction with an applicable Signature Editione GOLD Directions for Use DFU This manual contains instructions for maintenance repair and configuration of the instrument It is intended for personnel experienced in the analysis troubleshooting and repair of analog digital microprocessor based electronic equipment If the instrument requires service while Any attempt to service an ALARIS Medical under warranty it is to be serviced only by Systems product by anyone other than an ALARIS Medical Systems authorized authorized ALARIS Medical Systems Service service personnel Refer to the Service Represenatative while the product is under Information and Warranty sections of the warranty may invalidate the warranty applicable Signature Editione GOLD DFU The Signature Editione Infusion System includes Single Channel Models 7130 7131 Dual Channel Models 7230 7231 AccuSlide Flow Regulator administration sets The Signature Editione GOLD series
21. also brought low because WD_OUT turns on Q35 Q49 Whenever the 10 Hz stops oscillating and is high a watchdog error has occurred within the Battery Manager itself The 10 Hz signal being high prevents clock pulses to U36 9 U46 1 and the one shot to time out so the output Q WD_OUT goes to zero and Q WD_OUT goes toa high Once WD_OUT is high the second one shot U36 13 U46 5 is enabled If the user presses either on off switch U29 10 U42 10 output will go high sending a 4 to 11 ms pulse to the Battery Manager reset input This allows the user to reset the Battery Manager through hardware when the Battery Manager is stuck in a watchdog error The system power is also turned off at this time because the pulse Figure 4 8 System Reset Power On VBKUP 100K ON OFF bwm SWANY PWR SW VAO A B R61 gt INTA 100K SWITCH S KEYPAD us V U40 U39 RESET BY 8 Msec PULSE FROM U36 13 U46 5 WHEN POWER SWITCH PRESSED TO REMOVE POWER FROM INSTRUMENT WD OUT INT2 U36 U46 resets the power latch U40 9 U39 9 bringing PWR ON low The 10 Hz signal also goes to an interrupt input of the Main Processor It is used to compare the time base of the Main Processor with the time base of the Battery Manager Nominally the timebase is 100 ms 1 ms from falling edge to falling edge 4 5 18 Power Switch The power on off switch es are located on the keypad The switch es are
22. control turning power off to the instrument The user output interface consists of three display modules The LED Module s provide rate data visible from a distance along with operating mode annunciators AC Battery operation notice and visual alarm indication The Graphic LCD Module provides user information on a 128x64 dot matrix display with LED backlight The Lower LCD display shows the current battery run time along with the current audio level selected communications interface status panel lock status and battery refresh status Signature Editione GOLD Models 7130 7131 and 7230 7231 4 21 Technical Service Manual PRINCIPLES OF OPERATION USER INTERFACE Continued Main Speaker Driver The main speaker driver is based on an LM386 low voltage speaker drive chip U32 U29 driven by an exponentially weighted 4 bit control signal AMP 0 to 3 modulated at the desired frequency 200 Hz 4 kHz by the COMBO IC U10 U14 The speaker is pulsed at 3 to 50 mA with a 50 duty cycle max 100 mA The driver has a fixed 26dB gain which provides up to 3VPP AC coupled into an 8Q speaker The speaker is tested by monitoring the speaker current with a 0 511Q resistor The voltage across the resistor is amplified rectified and compared to low and high threshold values by a window comparator U38 U16 The speaker is tested when an alarm or error occurs while the test circuit is verified at power up The speaker aud
23. fluid ingress It may be necessary to loosen the Main PCB to gain access to the flex cables from inside the front case To do so remove screw from Main PCB using Phillips screw driver Lift and move the Main PCB to the side to gain access to the flex cables Pull the flex cables through and to the side of the Main PCB Reattach the Main PCB to the front case Connect the flex cables to the Main PCB Reconnect power supply board connector battery cable and RS 232 flex cable from front case Reassemble both case halves following the instructions in Section 5 4 Disassembling Pump but in reverse sequence See section 5 4 4 on cable routing before closing the pump Remove any protective covering from the front of the Key Pad Assembly Turn on the instrument verify thatthe instrument beeps and that all display segments flash This confirms that the pump has performed its self tests and is operating correctly The instrument configuration values remain that same as those before power was disconnected It is not necessary to reconfigure the instrument Test the switches Refer to Section Testing Switches to confirm that each switch is functional The replacement of the Key Pad assembly is complete Signature Editione GOLD Models 7130 7131 and 7230 7231 5 25 Technical Service Manual CORRECTIVE MAINTENANCE 5 4 TEST AND CALIBRATION Continued 5 4 6 Test Run Mode 5 4 3 Mechanical Leak Tes
24. not included in the standard keypad matrix One Two output s is generated PWR_SW PWR SW AJ B one for each channel The signals are pulled up to 5V by VBKUP supply through two pull up resistors VBKUP is the supply for the backup audio These signals are decoupled from the signals that drive the Battery Manager logic PWR SW PWR SW A B through two 100K resistors The PWR_SW BATTERY MANAGER U34 U40 07 RST CPU R62 PWR ON U40 U39 POWER LATCH WD ALARM ENABLES U38 13 U46 5 Signature Editione GOLD Models 7130 7131 and 7230 7231 4 15 Technical Service Manual PRINCIPLES OF OPERATION 4 5 4 5 18 Power Switch POWER SYSTEM Continued Continued PWR_SW_A B signals drive interrupt inputs in the Battery Manager U34 U40 and are used by the error reset and power on circuits Upon recognition of the power switch the Battery Manager controls when the Main Processor and the rest of the circuit will receive power 4 5 19 System Reset Power On System Reset is controlled by the Battery Manager Either the lack of a reset inactive signal from the Battery Manager U34 U40 signal R61 or the lack of the PWR_ON signal being asserted will initiate a RST_CPU Power on is also controlled by the Battery Manager Under normal conditions the Battery Manager uses its output R62 to toggle the power latch U40 9 U39 9 to turn the instrument on off The Battery Manager t
25. pA S ua 1 1 1 2 Precaution Definitions s ood d evum erae us e ye eee Pao Cpl e le o E 1 2 1 3 Specification saw ee arr dox p es PERRA WE de d ns 1 2 1 4 PECESSONGS MM 6 038 088 4 hoe Pe aglaw tess SORE DORs e E 1 2 1 4 1 Nurse Gall 7130 7230 only sc see dese baaw eto ee mk hes ee dw dese Bers 1 2 1 4 2 Learn Teach RS 232 Cable aus ove aste trece kau oe dae CI XI dee ee ed 1 2 1 4 3 Flow Sensore PP PE 1 3 1 5 Alarms Errors Messages llle 1 3 1 5 1 DIIGNCING Martis A dd ate eee Sy Nhe RD eae dir 1 3 1 6 Battery Management System issues hne 1 3 1 6 1 i i RUD TT 1 3 1 6 2 Battery and Charging Process 23 tee E mane Rn dead 1 3 1 6 3 Refresh Gycle 1 s xou pte RI hee Sed hn xa e S ceu d dd ipte autos op a id 1 5 1 6 4 Battery Gauge ok edF A a xiu a Ke Rae 1 6 16 57 JowenrOD OI cec taxe ove ER A ek uta e e RR RR eta eqs a adus 1 6 1 6 6 Lower LCD Display outra AA MES 1 7 Ted Cloke oed ODORE Ee os A me hee Ed n dete ard e pts 1 7 1 6 8 Battery Maintenance scies xr ee ese BEC RL ye bE Pee yeaa HIE RUE UE S 1 7 1 7 NiCad Battery Capacity Information 0 0 ee 1 8 1 8 Dynamic Monitoring System DMS 0000 ce ee 1 10 1 9 Data Communications Function llle 1 12 1 10 Trumpet and Start Up Curves 1 12 Chapter 2 CHECKOUT AND CONFIGURATION 2 1 INTOdUCHO M CIEL 2 1 2 2 New Instrument Checkout vivimos e ee eae eee rex RU Ae Re ea STR a 2 1 2 3 Configurable Options and Defaults
26. reading with set out should be 80 to 30 mmHg If not perform soft pressure p calibration detailed in leshooting chapter 2 Segment Troubleshooting chapte ay 5 34 Signature Edition GOLD Models 7130 7131 and 7230 7231 Technical Service Manual CORRECTIVE MAINTENANCE TEST AND CALIBRATION Continued 5 4 6 Test Run Mode Continued Move AccuSlide Flow Regulator clamp up to open position Fill lower portion of tubing with RTV Do not let RTV enter dome area Allow to dry 48 hours Move AccuSlide Flow Regulator clamp down until it clicks into closed position and install test set into instrument Select rate and run for desired time period for example 100 mL hr for 15 minutes Remove test set Figure 5 36 Transducer Pot Transducer POT Hard Pressure Cal Procedure NOTE When performing the Hard Pressure Calibration take care not to press downward on the transducer The pot is a one turn surface mount pot with a rivet in the middle Use a small screwdriver or scribe to push sideways on the two slots in the pot If the Count value is 0 or 4095 this could indicate a bad transducer and necessitate replacement of the mechanism Ensure warm up of one hour minimum Leave instrument on and connected to AC power and battery Follow procedure to disassemble instrument NOTE There is one case screw inside the battery compartment
27. service connect it to AC power to ensure a fully charged battery when needed 3 10 Signature Edition GOLD Models 7130 7131 and 7230 7231 Technical Service Manual PREVENTIVE MAINTENANCE Table 3 1 PM Inspections I D Number Instrument Serial Number miM Frequency Date Completed Date Completed Regular Inspection 3 2 1 Every Use record every 12 months Functional Test 3 2 2 12 Months Flow Stop Test 3 2 3 12 Months Rate Calibration Procedure 3 2 4 12 Months Post Calibration Rate Accuracy Verification 3 2 5 12 Months Pressure Calibration 3 2 6 12 Months Ground Current Leakage Test 3 2 7 12 Months Ground Resistance Test 3 2 8 12 Months Battery Refresh Cycle 3 2 9 12 Months Reset Time 3 2 10 12 Months I D Number Instrument Serial Number Eun Frequency Date Completed Date Completed Regular Inspection 3 24 Every Use record every 12 months Functional Test 3 2 2 12 Months Flow Stop Test 3 2 3 12 Months Rate Calibration Procedure 3 2 4 12 Months Post Calibration Rate Accuracy Verification 3 2 5 12 Months Pressure Calibration 3 2 6 12 Months Ground Current Leakage Test 3 2 7 12 Months Ground Resistance Test 3 2 8 12 Months Battery Refresh Cycle 3 2 9 12 Months Reset Time 3 2 10 12 Months Signature Editione GOLD Models 7130 7131 and 7230 7231 3 11 Technical Service Manual PREVENTIVE
28. to Another Instrument 00000 e eee ee 2 15 2 5 1 Learn Teach Instrument Procedure o oocccccooco eee 2 16 2 5 2 Pop Up Displays mera es Roe Gnd ue v SR UR PLUR ok nee D RES 2 16 2 5 3 Resistance Options 0 00 c cee eee eens 2 17 2 5 4 Pressure Optlons cado dece ac e anion dolor aw Sea eden weed eS 2 18 Chapter 3 Preventive Maintenance 3 1 Introductio PT toria arta 3 1 3 2 Preventive Maintenance Inspections o ooooooooooooronr eee 3 1 3 2 1 Regular InSpectiOn s isis oae stets eo cae a BRAY eas Rak apa Ne 3 1 3 2 2 F ricuornal Test Lor eS DearS reb dere qu LS e BA eed de Be 3 2 3 2 3 Elow Stopt lest sx cin dr AA coe map HOUR te TR C BO e s 3 3 3 2 4 Rate Calibration Procedure ux e RBS em mien attt nonae trie ce on aa a awe 3 3 3 2 55 Post Calibration Rate Accuracy Verification 00 2 eee 3 5 3 2 5 Pressure Calibration 5 4 AR A ade Ss kee eed bowed eee 3 7 3 2 8 Ground Current Leakage Test 2 26 ce ec cet eee eee be eee 3 9 3 2 8 Ground Resistance Test 2 50 0 cree arena kee hove hy Rhee Faas wee eds 3 9 329 Battery Refresh Cycle oc si sete sve ERR WR a Dae be Reais See we ward be 3 9 3 2 10 Reset TiMe cux RA RA AE bales e ER RR eR ET kee aloes 3 10 32 11 Reset PM DUG xke etos Cx AS REED Se pb aid 3 10 3 3 Storage and Cleaning ed 3 10 3 3 1 Storages s boss A cit eti NA aware A DEA E AAI IN 3 10 Signature Edition GOLD Models 7130 7131 and 7230 7231 jii Technica
29. updated runs 20 rate cal number changes repaired or checked out in response to anything that would impair operation of the instrument For details see Preventive Maintenance chapter finstrument operation is at all doubtful perform a complete PM procedure This table provides minimum test requirements Table 5 2 Level of Testing Guidelines Tests to Perform S PE o PEE as 5 gt i y e Required Es iue lx E c 2 S m 21013 3 X Recommended 9 meis _LE g Bogle AIR As Required 2 wo HABET 28 SiS p 9900 N A Not Applicable 9 Gt SZ o SS BS g E Blank Optional vu S ES egl 5I L5 als els 9 22 2 ele ga SE iZ Elos og a agoel ozz 2 TIlE 0 59 o 20 99 OlO S OB CEE E s i o O o cz o ul ill x C o o elo ctilOciri io sg S oc oo Slol 84 0 1 2 2 c S 238 gt Ed 555 5E ElE Ss 59 5 z 0 52 Se guorv 2i l a Ea 9 S S El S o9 Ou o 0 eile lol oD o 90 29 o 2 voc 0 o 020 Repair Replacement of 4 luli ox S o 8da c mo 90 gt 2 P Battery e Case e o o e e X e e X eo X Instrument dropped e e e e o ee X Keyboard Assy e e e X e LCD Module Lower e e e e X e LCD Module Main e e e e X LED Module e e e e X e Main Board e e X e e e AR elelele e X Mechanism e o o e e e e R e ee X New Instrument Checkout e o o e e e e XI
30. watchdog faults e In circuit test 4 5 2 AC Off Line Switcher Refer to figures 4 5 Battery Monitor and 4 6 Main Power Supply The AC off line switcher is an AC to DC power converter capable of running the instrument and supplying 22 24V 1 5A to the battery charging circuit from an input of 85 264VAC 50 60 Hz The module has foldback current limiting to protect against output shorts It contains two input fuses which are designed for worst case hospital line transients and they will only blow if there is a fault in the module There are no user adjustments in the module ON OFF DC DC CONTROL CONVERTER LOWER LCD DISPLAY WATCHDOG BATTERY MANAGER MAIN CPU Signature Editione GOLD Models 7130 7131 and 7230 7231 4 7 Technical Service Manual PRINCIPLES OF OPERATION Figure 4 6 Main Power Supply AC LINE SENSE AC LED 015 047 N DC_INPUT 22 244 Q7 020 024 041 10 184 DC INPUT 22 24V ac BATTERY sl GrrLale CHARGER HY ES finr HER va uz 037 039 85 264WAC 12v 50 60 HZ een INPUT b SHUT DOWN 4 5 POWER SYSTEM Continued 4 5 15 VPOS Supply Refer to figures 4 5 Battery Monitor and 4 6 Main Power Supply A linear regulator U2 U1 from a DC DC Source provides a 7 5V supply for the pressure transducer and A D circuits The power is supplied by the DC DC SOURCE 4 5 16 Battery Temperature Sensor Refer to figur
31. will appear This is done by asking the operator to remove the set before powering down the instrument The time period of this test is selectable in the diagnostic mode under the Self Check timer PRES TST A JB is used to take the transducer out of balance by inducing a known positive offset This is the means by which the transducer is tested The Cal Reqd message will appear if the transducer shifts more than 170 counts positive or 200 counts negative from last 0 cal level USER INTERFACE The user input interface consists of a keyboard organized as a 4x8 matrix which is scanned and controlled through the LED Module on a single channel instrument and the Channel A LED Module on the dual channel instrument The keyboard is scanned approximately every 10 ms and key data updated when there is a change due to any key or keys being pressed or released Note that the panel lock is scanned as part of the scan sequence even though it is located on the back of the instrument Switches are scanned every 10 msec two cycles are required to be a true switch actuation This provides a debounce function to eliminate mechanical noise and EMI RFI interference The power switch es are sensed separately by the Battery Manager During normal operation the power switch es are monitored like the other keys so that inadvertent instrument turnoff can be avoided In a system alarm state for example watchdog alarm active the keys directly
32. 0 cee ee lu m he 4 10 System Current Monitor 00 ad EEOUERREE RN RM iE aera ieee 4 10 Always On Supply 5VAO o oococcccccc nn 4 11 System Switching Supplies scc mA 4 11 MIRAM SUDDIVe tt Aci ies be tA A CD E cei Sot Lu Parere es 4 12 MROS SUPDIVS s cent SA BEAM d adi eM anuos e ed 4 13 Battery Temperature Sensor sse sos wx xa d DR Heels RD a 4 13 System Watchdog ssr prist pedu d xia oe ov I bres 4 14 iv Signature Editione GOLD Models 7130 7131 and 7230 7231 Technical Service Manual TABLE OF CONTENTS 4 5 18 Power SWIIGIY i e yer sangeet ase steeds ee dase Lae qo Qe Ip ER sewed eens 4 15 4 5 19 System Reset Power ON sunday EUR coer era enu 4 16 4 5 20 Lower LCD Display Backlight Drive lel lesser 4 16 4 6 Motor Drivel Sensors e t Meet Aad td E tees Sees dats 4 16 4 6 1 MOOR DING cite citi d x Sone AOI Boe A AE A oe A ee a 4 16 4 6 2 ANGIN LING SONSOM cocus rar sere nis ted ciun fcr ees ag eee er NOU aoa ees 4 20 46 3 Transducer ss que oet RSV VA enter dos Md cx edt e dou poe men estate id quad die d 4 20 4 7 User Interface muteri cL rm 4 21 4 7 1 Main Speaker Driver denera o i e a ae a a eee eee 4 22 4 7 2 Backup Audio Buzzer and Test Circuit 2 0000 cee eee 4 22 4 8 PED MOdUIG ris cies on E Sats A wies ale mem avara E pales equ de 4 23 4 9 Lower LCD Display 422a dos arar ra 4 24 4 10 Main ECD Module o ri ee a a 4 25 4 10 1 Main LCD Backlight criticar aka 4 25 4 10 2 Grap
33. 1 A lioe ee ee ee 4 19 Motor and Mechanism Sensors Block Diagram 0000 eee eee 4 19 Air in Line Detector Block Diagram 0 00 cece eese 4 20 User Interface Block Diagram uoi ci a Ata Ra c RD 4 22 Main Speaker s s iode ten aane cia sedit dete cte oo Eod ea eo d eden 4 23 Backup AUDIO sm A Vac bci S IARE Deas cS aed m 4 24 Lower LCD Display 42 eu nce oy Save as seamen ple aa ar 4 24 Signature Editione GOLD Models 7130 7131 and 7230 7231 Technical Service Manual vii TABLE OF CONTENTS 4 17 Flow Sensor Interface Block Diagram lseelleeei ee 4 26 5 1 Instrument Assembly Organization 0 0c eee eee 5 2 5 2 View From Back of Instrument 2 2 vidus a Re eae death 5 3 5 3 Alternate View From Back of Instrument 0 00 cee ee 5 3 5 4 Gap Handle Screws vts x oes uice Ca OU Rae A EROR UT s 5 5 5 5 Hidden Case Screws in Battery Compartment o oococcccccco sees 5 5 5 6 Case Screws and Pole Clamp Position 000000 5 6 5 T Locking Bal Ti iban obe Rede mo ee pe pi cem ER Ses act yd ae 5 7 5 8 Disassembly of Rear Case Steps 1 2 2 2 0 00s 5 7 5 9a Power Supply Board 2 eese r osea Re RU EU UAR Saale Peso woe 5 8 5 9b Rear Case Power Supply o ooooorr ll 5 9 5 10 Rear Case ECD Board 4 cuu Rr ER ERRARE kb Pa oe bones eek 5 10 5 11 RS 232 COVED air pe Cim oid eee de ete Geen oe edis 5 10 5 12 URS 232 Board neck eS i
34. 130 7230 refer to the Illustrated Parts Breakdown chapter For 7131 7231 all that is needed is a flow sensor The flow sensor attaches to the administration set s drip chamber It detects an empty solution container and verifies fluid flow When installed it will allow VTBI to be turned off The flow sensor will not see drops falling if the drip chamber is tilted more than 24 ALARMS ERRORS MESSAGES Alarm messages are displayed on the Main Display Refer to the applicable Signature Edition Gold DFU for detailed information Silencing Alarms All alarms can be temporarily silenced by pressing the Silence Key BATTERY MANAGEMENT SYSTEM This section contains general information on the battery management system Included is information on how the Battery Manager monitors and maintains the battery controls the power on off for the rest of the instrument and provides support functions for the main processor Refer to the Principles of Operation chapter for more detailed functional descriptions The battery management system consists of the Battery Manager IC and various sensors and signal processing circuits The Battery Manager IC Rev 3 06 is a custom programmed microcontroller that performs the following functions Controls battery charger Provides a battery status battery gauge Monitors voltage and temperature of battery Controls instrument power source on off function Drives Lo
35. 231 2 21 Technical Service Manual CHECKOUT AND CONFIGURATION Software Versions 4 06 and Higher Map of Configuration Screens o AB OPTIONS Air In Line A B OPTIONS OI Threshold 100 2 7 etc Off M CONFIGURATION MODE Accumulator On ID No 001234567 1 el e SW Rev 04 06 undo Dr el Config 2A76 GOLD J page IAB OPTIONS 4 4 4 in D Profiles C EN AJB OPTIONS noff Set To Defaults C Regional Settings La el In Line pe page 9 m m J AB OPTIONS A LJ QN Maximum Rate G ABI OPTIONS Q1 Computer Link Oy al Optional Modes e Set all B ejos Features Configuration 2 el items to their page default values 6 el cancel ok o J J AB OPTIONS e O Maximum Rate C AB OPTIONS 1299 9 mL hr Regional Settings C CY QI Region N America a 4 1 L English o anguage Englis i Y undo told 2 22 Signature Edition GOLD Models 7130 7131 and 7230 7231 Technical Service Manual CHECKOUT AND CONFIGURATION Software Versions 4 06 and Higher Map of Configuration Screens Continued OPTIONS AB O Mode Mntr Off O 1Baud Rate 9600 3 wr Even el undo ok amp
36. 6 5 Motor PWM PWM2 PWM2 OUT6 5 AAA gt gt Chan B PMW5 LCD Contrast A19 16 alg 161 PMW4 ep Sach ELT LCD PWM Kernel Bus AD 0 DMARQO Interface Data CRO i MMMM Generator LCD D7 0 LCD CS1 0 LCD RS LCD Bus LCD EN Interface ISDN oe IN 07 00 AU EN IN 17 10 RAM Test abc oS 0 Ports OUT 27 20 AE ames LLXD gt gt UART Li Figure 4 2b COMBO IC Block Diagram Isolation Transformer Optical Iso Rxd Pwr Nonisolated Interface Isolator Isolated Interface 4 4 7 RS 232 Interface 7131 7231 Models The isolated RS 232 interface provides 500VAC electrical isolation between the RS 232 signals on the RS 232 connector and the rest of the instrument The isolation is created using optical isolators U3 and U4 for the signals and an isolation power transformer T1 for isolated circuit power Voltage level conversions are generated by the MAX250 25 1 chip set U1 and U2 to generate the appropriate signal conditioning Limit resistor R1 converts the RS 232 signal levels nominally 6V to match the input signal range required by U1 Iso Rxd Iso Txd Signature Editione GOLD Models 7130 7131 and 7230 7231 4 5 Technical Service Manual PRINCIPLES OF OPERATION 4 4 MAIN PCB Continued 4 4 7 RS 232 Interface Continued NOTE The RS 232 board in Models 7131 7231 is isolated and hence cannot have the Nurse Call opt
37. ALARIS MEDICAL SYSTEMS Signature Edition GOLD Models 7130 7131 and 7230 7231 Technical Service Manual GENERAL CONTACT INFORMATION ALARIS Medical Systems Inc 10221 Wateridge Circle San Diego CA 92121 Customer Advocacy For clinical and Technical questions feedback and troubleshooting assistance Phone toll free from within the United States and Canada 800 854 7128 Ext 7812 E Mail CustomerFeedback alarismed com Technical Support North America For technical information related to maintenance procedures and service manual support United States Canada Phone Phone toll free 858 458 6003 Eastern 800 908 9918 Toll free 800 854 7128 Ext 6003 Western 800 908 9919 Customer Service To check the status of an order or to place an order for administration sets parts accessories etc United States Canada Phone toll free Phone toll free 800 482 4822 800 387 8309 This Technical Service Manual is subject to change without notice Signature Editione GOLD Models 7130 7131 and 7230 7231 Technical Service Manual THIS PAGE INTENTIONALLY LEFT BLANK Signature Editione GOLD Models 7130 7131 and 7230 7231 Technical Service Manual TABLE OF CONTENTS Chapter 1 GENERAL INFORMATION 1 1 Introd saben nd bd EA sn Meet LA th sav is
38. First separate the front and rear case halves following the disassembly instructions in Disassembling Pump section of this chapter b Disconnect power supply board connector battery cable and RS 232 flex cable from front case The rear case is now completely separated from the front case Set it aside c Disconnect the Key Pad Assembly flex cables from the Main PCB Apply RTV Under Edges of Seal Apply RTV to void areas Apply RTV to under edges of seal 5 24 Signature Editione GOLD Models 7130 7131 and 7230 7231 Technical Service Manual CORRECTIVE MAINTENANCE 5 2 DISASSEMBLY REASSEMBLY Continued 5 2 4 Disassembly of Front Case Continued The Key Pad Assembly is removed by peeling it off the front case Take a corner of the Key Pad and peel it away from the front case Adhesive will remain on the surface of the front case Remove any remaining residue from surface before applying new Key Pad Position the front case so that it faces you Fold back a small portion of the protective backing along the right side of the Key Pad Insert the Key Pad Assembly flex cables into the slot and guide them through Align the right edge of the Key Pad Assembly and affix If aligned proceed to remove the remaining protective backing as you lay it into place With your fingers press around the perimeter of the Key Pad Assembly to assure adhesion to the front case and prevention of
39. LD Models 7130 7131 and 7230 7231 Technical Service Manual 3 2 3 2 5 PREVENTIVE MAINTENANCE INSPECTIONS Continued Post Calibration Rate Accuracy Verification Continued 20 Instrument will run approximately 360 21 22 23 seconds 6 minutes to complete delivery and then go into KVO mode Stop instrument within 1 second of its entering KVO mode Make a note of volume collected in burette Note expected volume as identified on 80VCS calibration set insert Do not remove 80VCS set from instrument until one of following is determined e Instrument has passed rate verification and calibration is not needed e Rate calibration number was changed and instrument now passes verification e Mechanism replacement is required 24 Calculate volume accuracy as follows Volumetric Volume Accuracy Error Computation Vcollected volume in burette in mL Vexpected characterized volume printed on 80VCS set insert Step 1 A Vocollected Vexpected Step 2 B Ax 100 Step 3 Error Round Error to nearest tenth of a percent B 100 25 Result should be 0 041 PREVENTIVE MAINTENANCE 26 If volume accuracy does not fall within required range of 1 from expected volume and test results were e inside a range of 5 5 to 7 0 from expected volume perform Rate Calibration Procedure Set rate calibration number to 0 096 before running rate test to determine a new calibration number
40. M UV 2 eS 6 23 vi Signature Editione GOLD Models 7130 7131 and 7230 7231 Technical Service Manual TABLE OF CONTENTS 6 2 16 Changing Main LCD Contrast osse tb bh e yao mE bares been ened 6 23 6 2 17 Calibrating Channel Pressure 2 0000 cc eee 6 24 6 4 18 Configuring Pressure System Auto Zero lille 6 27 Chapter 7 Illustrated Parts Breakdown 7 1 7 2 7 3 7 4 Introduction despres 5509 004 CO dr elo E TEA AI dep ar ad 7 1 MUST ze accedi ve eem x E E de ecu VR eRe Wt a 7 1 IO OO 7 1 Ordering Pans scr sceveddak ota es eO tiradas een s 7 2 List of Figures 3 1 3 2 4 1 4 2b 4 2a 4 3 4 4 4 5 4 6 4 7 4 8 4 9 4 10 4 11 4 13 4 14 4 15 4 16 Rate Accuracy Test Setup 00 0 502 ce eee beet eee eee 3 5 Pressure Test Setup 3 8 Main BIOCKDIBOFOITES is olas e e desea ON ae o ta aad ot E 4 2 COMBO IC Block Diagram shui eA kale ERI ay Pei teed Ps 4 5 COMBO IC Block Diagram 2 2 A e tah tb e UR A 4 5 Electrical Parto ig s eek aer of ce sto aries eres cokes ES sana 4 6 Battery Manager Block Diagram c ooonoooocerroo cen 4 7 Battery MONITO uu stn abe soy bei rESEiDRDSADiegdbRi feld eh ate peated 4 12 Main Power Supply iua disks euo a oie eee tage Ree aes EORR ORA SEHR EORR 4 13 Syst m Watchdog oio eee dX m peu V eem et o tet osi Y veu ecd xe CP VEO ya tony 4 14 System ResevPower ON eiii e xev EN eR base rq es ce ee CES 4 15 Motor Drive Circuit Phase
41. OFF Switch DENS setting A thorough familiarization with the function and operation of the mechanical assemblies and electrical circuits of the pump will enable repair and calibration to CMOS devices are sensitive to static electrical be accomplished more efficiently refer to charges and may be damaged during repair if Principles of Operation chapter the repair activity is not performed in an ee electrostatic discharge ESD protected The circuit boards used in the instrument environment using approved ESD protective are fitted with surface mount devices and procedures including personnel grounding or are deemed nonfield repairable Therefore the instrument could be damaged ALARIS Medical Systems requires that all circuit boards be returned to an authorized ALARIS Medical Systems Service Center Table 5 1 Test Equipment NAME MANUFACTURER MODEL NUMBER APPLICATION Electrical Safety Tester BIO TEK 260 Peep test awning and pump grounding IV Infusion Set IVAC 80 VCS Rate accuracy test Nurse Call Cable IVAC 136111 Nurse call option Pressure Cal Set IVAC 701SS Pressure verification and calibration Dresser Industries 203 406 3115 PTE1 901M1 Pressure Gauge Heise Pressure verification and calibration 400 to 750mmHg BIO TEK DPM III 802 655 4040 Class A or B Ere a Burette 50mL 0 1mL increment ir Rate calibration and verification 113 Sec A RS 232 9 pin Null modem 133450 Connects betw
42. S set insert Step 1 A Vcollected Vexpected Step 2 B Ax 100 Step 3 Error Round Error to nearest tenth of a percent B 100 NOTES The range of the percent error can be from 5 3 to 15 6 based on mechanism to mechanism differences and performing the initial run for calibration at 0 0 In addition to performing this process during Preventive Maintenance this process would also apply when replacing a mechanism or installing a new main board assembly Do not remove 80VCS set from instrument until one of following is determined e Instrument has passed Post Calibration Rate Accuracy Verification and calibration is not needed e Rate calibration number was changed and instrument now passes Post Calibration Rate Accuracy Verification e Mechanism replacement is required 4 Reverse the sign of Error value from Rate Calibration results in step 3 Example Result is 4 high 4 Reverse the sign to get 4 Number to enter for Rate Cal is 4 NOTES Inthe example above the new Rate Cal tells the instrument to count more volume per revolution of the mechanism so that the output will be less due to fewer revolutions The limits for the rate calibration entry are 15 6 to 5 3 to adjust for differences from mechanism to mechanism If the Rate Cal is outside this range then the mechanism needs to be replaced 5 Enter new Rate Cal for applicable c
43. SIG AIB One 3 Shot Drop Detector 5V Combo IC ECD_INSTALLED ECD AACTIVE 4 26 Signature Editione GOLD Models 7130 7131 and 7230 7231 Technical Service Manual PRINCIPLES OF OPERATION 4 13 ECD BOARD Continued 4 13 2 7131 7231 Option Continued The DROP_AJB signal is sensed by integrator U1 U6 and C9 C10 to generate an appropriate LED drive level to maintain DROP_A B at about 2 8V The integrator output signal is controlled by drive enable FET Q1 Q2 to drive the LED constant current sink U1 Q4 and relate components The constant current source generates a 0 200mA sink current with a OV 1V input signal To prevent a drop from skewing the LED drive signal a long time constant filter consisting of CR1 CR2 R31 R13 and C9 C10 is enabled on a negative going output signal DROP_A B Drop Detector The drop detector circuit generates a digital pulse when a valid drop event is detected A drop event occurs when a fluid drop passes between the emitter and detector of the Model 180 Flow Sensor and appears as a generally negative going short duration pulse on the DROP A B signal Detector comparators U8B U7B generate a 0 to 5V pulse when a drop signature of appropriate length and duration occurs One shots U9A B generate a nominal 20ms pulse which indicates a valid drop ECD SIG A ECD SIG B The main system processor processes the pulse stream and dete
44. See eee RS 1 17 1 2 Abbreviations Acronyms Symbols occcccccococcccoco ees 1 13 2 3 Record of Configured Instruments 000 cee ee 2 20 2 1 Drug List c 130 7230 0nly i ver tg ete x dcos ar ate m ebat xm a atta gig ens Gin ae 2 7 Signature Editione GOLD Models 7130 7131 and 7230 7231 13 Technical Service Manual TABLE OF CONTENTS 2 2 3 1 4 2 5 1 5 2 6 1 6 2 6 3 6 4 7 1 7 2 7 3 7 4 1 5 7 6 T T T 8 Record of Configured Instruments 6 522005 e ee eee eee nne 2 10 PM Inspections 4 92 3 DPI RIT erbe EUER vase sed OPE eps var 3 11 Motor Goritrol SIdnale suse exe ruth HESS dee iau e 4 18 Test Eq ipmient 2 cese d esti e rag ole e e Re ACE van E RS ARD aped 5 1 Level of Testing Guidelines 22x rine i kx bee tee weet ce s 5 37 Technical Troubleshooting Guide 2 2 0 2 00000 eee 6 1 Error Messages v owes Oh out Ee RU Un editos eels ea eae Ree Be 6 3 Battery Manager Error Codes not in Alarm History o ocoooooooo o 6 10 Viewing Alarm HIStOry ica Sea ecco e Ae See eee UR 6 14 Other Parts it ce yp xe ae Aa mos 7 3 Case Assembly oce a ons Sk ws Eh wee ee Ex AE bu ee mio s 7 4 Front Case Assembly iis ERE UEEEE TR yew beh ba UE EGER RET REM 7 8 Mechanism Assembly guck RR lane A ere EE RS 7 12 Rear Case Assembly occ ened yedee E sendan et dA eee eb Pee A ME NEA 7 13 Pole Clamp Assembly 5 Rex RR Pea A Maa ER ER 7 17 Eabel Litereture vea ite Sok te
45. XIX Panel Lock Keypad e e e X e Power Switcher X e e e e Rate Accuracy failure N A E after rRate Cal Software e e X e e o AR elelele e X Speaker e e e e No Fault Found eX e x X X instrument opened No Fault Found e e e X instrument not opened Other repairs Xe e e e AIR X e X Signature Editione GOLD Models 7130 7131 and 7230 7231 5 37 Technical Service Manual CORRECTIVE MAINTENANCE THIS PAGE INTENTIONALLY LEFT BLANK 5 38 Signature Edition GOLD Models 7130 7131 and 7230 7231 Technical Service Manual Chapter 7 ILLUSTRATED PARTS BREAKDOWN 7 1 7 2 7 3 INTRODUCTION The illustrated parts breakdown for the instrument is divided into major assemblies and individual parts ILLUSTRATIONS The exploded views serve as visual aids for identifying the parts of each assembly If a part assembly is identified with an item number appearing in a bubble that number corresponds to the item number on the parts list If a part assembly is not identified with an item number it is part of a higher assembly or kit NOTE Due to product changes over time components assemblies illustrated in this chapter may be different than those in the instrument being disassembled If there are any questions look for Service Bulletins related to this chapter or contact ALARIS Medical Systems Technical Support PARTS LIST The parts lists provide the following information for saleable parts and a
46. a aaa 5 11 5 13 Line Filter and Speaker Fan Assemblies llle 5 12 5 144 Pole Clamp Assembly a o e a e AS 5 13 5 15 Retaining Ring Installation lt oooocconcororcccrr ee es 5 14 5 16a Rear Case Cable Routing 0 6 6 e eee eee 5 15 5 16b Front and Rear Case Cable Routing liiis 5 16 5 16c Rear Gase Cable ROMINA PE Sah EM eae 5 17 5 17 Disassembly of Front Case x una See eb dada RR AAA Be a ies 5 18 5 18 LED LCD Modules and Snap Fittings 222 b eee eee 5 19 5 19 Mechanism Latch in Middle Position lleelleee ee 5 20 5 21 Unlocking Ale Gear Tabs aos ses inane wade ewe see gd ake s ERR EC ee 5 20 5 20 Latch Opened Halt Way dues ca ropa hee PUE GUTES RS 5 20 5 22 AIL Transmitter in Open Position 2 0 0 0 0 cee 5 20 5 23 AIL Transmitter in Closed Position llle 5 20 5 24 Remove Pumping Mechanism csse rne 5 21 5 25 Flat Edge of AIL Receiver soos ene eme xy n ROGER Se s 5 22 12 Signature Editione GOLD Models 7130 7131 and 7230 7231 Technical Service Manual TABLE OF CONTENTS 5 26 5 27 5 28a 5 28b 5 29a 5 29b 5 30 5 31 5 32 5 33 5 34 5 35 5 36 7 1 7 2a 7 2b 7 3a 7 3b 7 4 7 5a 7 5b 7 6 7 7 Faceplate Hook ses dew ebd uu Ee ae meena ew ote es EE EE 5 22 Apply RTV Under Edges of Seal acdc eager ese udi du oe Pen ey ded 5 24 Rear Case Cable Routing 3 v
47. annel Signature Editione GOLD Models 7130 7131 and 7230 7231 Technical Service Manual 7 9 ILLUSTRATED PARTS BREAKDOWN Figure 7 3b Front Case Assembly Dual Channel 7 10 Signature Editione GOLD Models 7130 7131 and 7230 7231 Technical Service Manual
48. arious system sensors and performing start up and ongoing system operational testing Power System The power system is responsible for charging the battery generating the DC power displaying battery status and performing watchdog clock sync checks functions The power system includes the Battery Manager custom IC Motor Drive and Sensor Control The motor drive and sensor control circuitry drives the motors the air in line sensors the mechanism latch sensors and the rotation sensors The circuit is also responsible for monitoring the pressure sensors the power supply voltages the motor current and the air in line sensor outputs Unser Interface Circuitry The user interface circuitry connects to the keypad LED modules and LCD modules to the kernel circuitry for monitoring and control This circuitry also contains the audio interface and audio test MAIN PCB CPU Kernel The CPU kernel is responsible for controlling the motor actuation sensing and responding to user input monitoring various system sensors and performing start up and on going system operational testing The kernel is based on a 16 bit 80C188 microprocessor U11 U15 1Mbytes of Flash EEPROM program storage and 128K bytes of battery backed up RAM data storage In addition the kernel has 2K bits of EEPROM memory and a selectable baud rate for serial communications interface The COMBO IC U10 U14 is a custom ASIC Application Specific
49. chnical Service Manual CORRECTIVE MAINTENANCE 5 2 DISASSEMBLY REASSEMBLY 8 Reassemble the battery cover power Continued cable and power cord retainer The replacement battery may have a pes Replacing Battery Continued different rated capacity current battery 3 Remove Power Cord and Power Cord has rated capacity of 1 8 AH with 1 3 AH Retainer entered in Diagnostics Mode If it does proceed to the Diagnostics Mode D2 CAUTION select Battery Status and enter new rated capacity Refer to Section 6 4 6 When there is no AC power available DO Changing Rated Capacity of Battery NOT replace dead battery for the purpose of re powering the instrument The instrument ie bh Er Miis E will not operate unless it is first connected to Tay ia eel esha pd AC power after battery replacement battery manager needs to know if a new battery possibly with a new rated 4 Lift and remove Battery Cover capacity has Heeninstalled 9 Clear battery run time via Diagnostics 5 Lift cable for battery out of compartment Mode after installing new battery Refer 6 Pull battery from compartment and to Section 6 4 9 Viewing Battery and disconnect Total Run Times NOTE The instrument will not run with Battery replacement is now complete battery disconnected NOTE The instrument will attempt to refresh the battery when it is first installed and 7 Connect and install new battery Note the e OA C power This Beeb may ake in exces
50. criminator timing signals to drive the flow sensor LED and sample signals representing room ambient light and LED driven light outputs from the flow sensor The main system CLK 32KHz is used as the timebase and decade counter U3 that generates non overlapping A and B channel drive and sense signals This reduces the peak LED current load and flow sensor crosstalk during normal operation Transistors Q5 and Q6 provide logically inverted control signals for the LED drive circuits Drop A B Flow Sensor Interface Block Diagram Ambient Light Discriminator Loop The flow sensor drive current is set to maintain a 2 8V level normally at DROP AJ B This level is determined by the difference in input signal from a Model 180 Flow Sensor when the emitter is undriven and driven Analog multiplexor U4 normally grounds the output of the sense capacitor C18 23 so that room ambient light signal voltage is set across it When the LED drive is turned on the output of the sense capacitor representing the driven signal voltage less the ambient signal voltage is transferred to sample capacitor C28 C26 This signal is amplified by U8 U7 with a gain of about 23 and is the DROP A JB signal Model 180 Flow Sensor U1 U6 U1 Q4 Constant Current Sink y Integrator 3 Timing Sense Capacitor lt 18 23 U4 Sample Logic U7B U8B U9A B ECD
51. e teaching the current instrument or to teach different configurations The pop up menus the next instrument ask if the configuration should be renamed Reattach the cover and or cover and screws over the RS 232 port after disconnecting the cable AB OPTIONS When the profile data sets are used they Or Configuration has will override replace the selection in the oe been changed Configuration Mode Learn Teach will need to be done after the profile data set e Press POWER key to keep name GOLD is loaded to ensure proper use Profiles NEN On e cancel rename Learn Teach can be used for transferring J the Configuration Mode settings but not LJ the Guardrails Safety Software data set flashed from computer only When a Learn Teach operation is JAB OPTIONS unsuccessful due to incompatible versions Y Configuration has the teacher or learner instrument will eo been changed display the message Learn Teach Failed Press teach key Software Mismatch e to keep name GOLD el cancel teach rename TAB OPTIONS i d b Teach Status oe ev Learn Teach Failed Software Mismatch el cs er i Signature Editione GOLD Models 7130 7131 and 7230 7231 2 19 Technical Service Manual CHECKOUT AND CONFIGURATION Software Versions 4 06 and Higher Table 2 3 Record of Configured Instruments 1 2
52. e Veo eR eed oe dae wae RN e eni ps 5 26 Front and Rear Case Cable Routing 0 00 ee 5 27 Assembling Pump Torque Sequence Dual 0 0 0 0 eee 5 28 Assembling Pump Torque Sequence Single 0 0 eee eee eee 5 29 Mechanism Assembly Spring Location Between motor plate and clamp arm 2000 e ee eee eee eee 5 30 Mechanism Assembly Spring Location Between back guide and clamp arm 00 000 e ee eee eee eee eee 5 31 Detail of Proper Mechanism Spring Position lille 5 32 Spring Installation Tool Position liliis 5 32 Leak Test Set p 26 8058 Vut ee e esie dede Valeo e dee nrbe ad 5 33 AccuSlide Flow Regulator iooooccrocorranrr nn 5 34 Transducer Pot s ssori a a aaa 5 35 Power Cord Wrap Kit Item 403 ucc sioe as eR ERREUR 7 5 Case Assembly Single Channel 00 0 cee eee 7 6 Case Assembly Dual Channel llle 7 7 Front Case Assembly Single Channel 0 00 cece eee eee 7 9 Front Case Assembly Dual Channel 00 00 cece tees 7 10 Mechanism Assembly a iae E ERES RR Rds ak Ee Sa i SESS 7 11 Rear Case Assembly Single Channel 00 00 e eee eee 7 15 Rear Case Assembly Dual Channel llle 7 16 Pole Clamp Assembly 52e 3 siti ask noh o ES Sea adn fme E waned aes 7 18 Label Literature Assembly 02 0b Res 7 21 List of Tables 1 1 Battery Trip Polnts 92x visu AD OR E
53. e Versions 4 06 and Higher CAUTION 2 1 INTRODUCTION Keep latch closed when instrument is not in use This chapter describes the initial setup and configuration of an instrument with software version 4 06 or higher 2 2 NEW INSTRUMENT CHECKOUT Refer to the instrument s Directions For Use Should an instrument be jarred severely or DFU for instructions regarding unpacking dropped remove it from use immediately It and setting up the instrument for the first should be thoroughly tested and inspected by time qualified service personnel to ensure proper When turning on the instrument verify the function prior to reuse instrument beeps and that all display LED segments flash This confirms that the instrument has performed its self test and is operating correctly During operation the instrument continually performs a self test and will alarm and display a message if it detects an internal malfunction Contact ALARIS Medical Systems authorized service personnel if the instrument has physical damage fails to satisfactorialy pass startup sequence fails a self test or continues to alarm For new instrument checkout refer to the applicable Signature Editione GOLD DFU 2 3 CONFIGURABLE OPTIONS AND DEFAULTS A hospital facility biomedical technician has the capability to set all configuration parameters to their startup defaults in a single operation The terms configuration parameters and programmable features are int
54. ed When Profiles is enabled the only configuration settings that can be changed in version 4 08 are Regional Settings Profiles Computer Link and Optional Features because the Guardrails Safety Software profile overrides every other setting in the configuration mode NOTES Pressing a soft key at the side of the Main Display the first time selects it for editing Some features are edited by subsequent presses of the soft key to cycle through available options Other features are edited by means of the numeric keypad entry Pressing undo undoes any edits made to that page and stays on the page Pressing ok accepts all information on the page and returns to menu page Pressing the POWER switch after editing a configurable item evokes an invalid key tone and a message to ok entry ok must be selected to accept the edit before the instrument can be powered off The page number is located in the upper right corner of the display CAUTION The instrument s configuration information is not lost when disconnected from AC power However error history and infusion program settings may be lost If this information is to be saved be sure to record it before disconnecting power 2 2 Signature Edition GOLD Models 7130 7131 and 7230 7231 Technical Service Manual CHECKOUT AND CONFIGURATION Software Versions 4 06 and Higher 2 4 CONFIGURATION PROCEDURE continued 2 4 1 Entering Configurat
55. een 2 instruments to download configuration Silicon Tubing 303109 Pressure calibration setup T Fitting 313815 Pressure calibration setup NiCad Battery Optomizer ice Test and condition batteries optional or equivilent Signature Edition GOLD Models 7130 7131 and 7230 7231 5 1 Technical Service Manual CORRECTIVE MAINTENANCE 5 1 INTRODUCTION Continued steps in their reverse order Figure 5 1 for repair If circuit board repairs are deleite ladra ol tel attempted all warranties will be void pe y ALARIS Medical Systems recommends that Tuo gual enana NSE Is qui depicted in the following procedures both parts within the instrument be replaced instruments disassemble in the same rather than repaired when not working manner Channel B will be the same as a properly Boards mechanism and display sais chapel dtum eHf modules must be replaced as an assembly 9 The tests to be performed on a just repaired QUOI instrument depend on the level of repairs Disconnect instrument from AC power made to the instrument See Table 5 2 before disassembling Level of Testing Guidelines NOTE Due to product changes over time REPLACING BATTERY components assemblies illustrated in this A Phillips screw driver will be needed to chapter may be different than those in the remove battery instrument being disassembled If there are any questions look for Servie Bullitens NOTE Inst t fi ti ill not b related to this chapter o
56. emove tip from end of pole clamp knob by pressing spiral pin out of opening in end of brass thread h Unscrew knob from pole clamp i Screw new knob into new pole clamp assembly included in kit Brass Knob old version Tip Spiral Pin m di Compression Spring Shown For Reference Only Em PA e Pole Clamp gem Apply grease to Flat Washer YY 5 mounting pin m S g l Spring release Switch 3 Ki Pole Clamp Lock v S Wave Washer Retaining Heat Sink Ring reference Signature Editione GOLD Models 7130 7131 and 7230 7231 5 13 Technical Service Manual CORRECTIVE MAINTENANCE 5 2 DISASSEMBLY REASSEMBLY Continued 5 2 2 Disassembly of the Rear Case continued j Attach pole clamp tip to end of brass thread on knob and press spiral roll pin into opening through thread and tip NOTE Press pin in so both ends of pin are below bottom of threads on brass stud k Reinstall compression spring into spring release switch l Install spring release switch onto pole clamp assembly Figure 5 15 Retaining Ring Installation Retaining Ring NOTE Ensure compression sring seats properly in pole clamp channel m Apply lubricant Dow Corning MolyKote 33 or Novagard Versilube G321 to portion of pole clamp mounting pin that protrudes through spring release switch Insert pole clamp mounting pin through opening in heat sink Install wave washer over end of pole clamp mounting pin
57. eperately 144127 Case Rear Assy Dual Channel 7131 order keypad labels and feet seperately 305 141717 Screen Handle Single Channel 2 141689 Screen Handle Dual Channel 399 142578 Single Channel Case Seal 1 142579 Dual Channel Case Seal 403 147949 100 Kit Power Cord Wrap 1 409 980 1015 1 Assembly Power Cord Wrap 1 410 809061 Eyelet Stud Snap 1 406 320919 M3 x 10mm Phillips Flat Head Screw 1 413 136777 Battery Door 1 414 140444 000 Power Cord Holder 713X 723X only 1 420 148450 100 Power Cord Kit 723X 120V 1 134745 Power Cord EUR 7101X 7201X 220V 134748 Power Cord UK 7101X 7201X 220V 435 136761 Handle Cap Single Channel without Flow Sensor Holder 1 136762 Handle Cap Dual Channel without Flow Sensor Holder 141104 Handle Cap Single Channel with Flow Sensor Holder 141105 Handle Cap Dual Channel with Flow Sensor Holder 437 140718 Cover Conn Flow Sensor SE A R 463 305237 Screw Mach M3 x 10mm PH 3 464 305235 Screw Mach M3 x 16mm PH 1 Included in item 403 Power Cord Wrap Kit Included in item 420 Power Cord Kit 723X 7 4 Signature Editione GOLD Models 7130 7131 and 7230 7231 Technical Service Manual ILLUSTRATED PARTS BREAKDOWN Figure 7 1 Power Cord Wrap Kit Item 403 di Item 406 Item 410 Item 409 Signature Editione GOLD Models 7130 7131 and 7230 7231 7 5 Technical Service Manual ILLUSTRATED PARTS BREAKDOWN Table 7 3 Front Case Assembly Item
58. erchangeable and have the same meaning Refer to the applicable Signature Editione GOLD DFU for more information Signature Editione GOLD Models 7130 7131 and 7230 7231 2 1 Technical Service Manual CHECKOUT AND CONFIGURATION Software Versions 4 06 and Higher 2 4 CONFIGURATION PROCEDURE WARNINGS When an instruments configuration is changed the configuration name should also be changed in order to document the new parameter settings The intent of the configuration name is to have only one set of parameters for each alpha numeric code Refer to Pop Up Displays section Powering down in configuration mode during an alarm or error will NOT save any configuration changes The configuration procedure is for use by qualified service personnel only The configuration mode is intended for programming the technical and clinical features in accordance with current procedures and practices Table 2 3 Record of Configured Instruments can be reproduced and used to record and track instrument configuration settings A fold out map of all the configuration screens is located at the end of this chapter Figure 2 1 Software version 2 78 is not Guardrails Safety Software compatible and the configuration mode is different Refer to Chapter 2 for Software Version 2 78 for detailed calibration information The configuration mode for versions 4 06 and 4 08 are identical except when Profiles is enabl
59. es 4 5 Battery Monitor and 4 6 Main Power Supply The battery temperature sense circuit measures the temperature in the battery WEAS 026 045 VAD SOURCE 76 2 v VBKUP SRC EN AC PWR ADD BKLT VOLTAGE REG U21 VOLTAGE REG u16 U30 VOLTA REG ut UI REG uas VOLTAGE REG UA WBKUP_SRC_TST pack through a nominal 10 kilohm 25 C thermistor The sensor will measure with a 2 5 C accuracy over the temperature range 0 to 65 C The circuit is a voltage divider between a resistor and the thermistor with a 4 1V reference voltage used as the input voltage The output BATI_TEMP drives an A D input to the Battery Manager The Battery Manager uses the battery temperature in its error detection and charging functions Signature Edition GOLD Models 7130 7131 and 7230 7231 Technical Service Manual 4 13 PRINCIPLES OF OPERATION POWER SYSTEM Continued 4 5 17 System Watchdog Refer to figures 4 5 Battery Monitor and 4 6 Main Power Supply The system watchdog provides a monitor on the operation of the Main Processor and the Battery Manager It also provides an independent clock signal to the Main Processor for continuous comparison with the main time base The Battery Manager controls an output signal 10 Hz that performs multiple functions The 10 Hz has three states Continuous High Instrument is off or watchdog error has been caused b
60. fusion without removing the air The reset feature allows only the current bubble to proceed without tripping an alarm The air in line threshold value choices are 50 100 200 and 500 microliters The Accumulator setting when on looks for 10 to 15 of the downstream path to be air before giving an AIR IN LINE alarm The amount of air that causes the alarm will vary with the threshold setting and rate An AIR IN LINE alarm is the result of the bubble size exceeding the Threshold setting An ACCUMULATED AIR IN LINE alarm is the result when 10 to 15 of the downstream path is filled with air exceeding the accepted level looked for when the Accumulator is set to On 1 From C2 page press Air In Line soft key 2 4 Signature Edition GOLD Models 7130 7131 and 7230 7231 Technical Service Manual CHECKOUT AND CONFIGURATION Software Versions 4 06 and Higher 2 4 CONFIGURATION PROCEDURE Continued 2 4 4 Setting Air in Line Threshold Continued OPTIONS AB Oy Set To Defaults C Q1 Regional Settings Al In Line AProfiles page 9 5 4 2 Press and release Threshold soft key to select for editing Press again to cycle through 50 mcL 100 mcL 200 mcL and 500 mcL NOTE Use a 50 microliters setting on microbore tubing The other three settings may be used on macrobore tubing A B OPTIONS Air In Line C whreshold iy emm Off el On u
61. hannel using keypad and bottom center soft key for sign Press ENTER NOTES Make sure the sign is used with the percent change when doing rate calibration To change the rate calibration number refer to Viewing Changing Rate Calibration Information section in Troubleshooting chapter 3 4 Signature Editione GOLD Models 7130 7131 and 7230 7231 Technical Service Manual PREVENTIVE MAINTENANCE 3 2 PREVENTIVE MAINTENANCE INSPECTIONS Continued 3 2 4 Rate Calibration Procedure Continued 6 Press ok soft key to accept change and return to beginning of D4 page previous Cal to clear an Instrument Malfunction message 3 2 5 Post Calibration Rate Accuracy Verification Perform the following steps without removing the 80VCS set or turning the instrument off Figure 3 1 Burette 50 NN q Burette Clamp Equipment Stand N E Table or Bench NOTE When the main board is changed the Rate Cal defaults to 100 and 0 0 mL rev Reset the Rate Cal to 0 0 or Rate Accuracy Test Setup Tubing CAUTION Due to the Dynamic Monitoring Feature the rate is varied during operation For this reason ALARIS Medical Systems does not recommend using sutomatic testers to check rate accuracy Generally these devices collect small samples and may cause results to be incorrect even th
62. hic LCD Contrast llle 4 25 4 11 Nurse Call Circuit 7130 7230 only isses 4 25 4 12 Panel back SWC ont a dex eo e Deke Phan MOS BL ne tee b RA e BUR 4 25 4 13 EC Boald o cot eter Res Dui a Mur AE ct e Mo i et a arp d ME 4 25 4 19 1 373130 7290 ODUOLDY RR Beni E oder Son OM E e us SM Re 4 25 413 2 ES T2937 Option 54 Sch ils mod at eM e SO aO VT Nd Ee MS 4 25 Chapter 5 Corrective Maintenance 5 1 Introduction uote sentant bd Aa 5 1 5 2 Disassembly Reassembly 9 gb RE RE rx X Ru ERE ees 5 2 5 2 1 Replacing Battery css ssec E EEG RENRAREERen dX RS 5 2 5 2 2 Disassembly of the Rear Case l l lees 5 7 5 2 3 Disassembly Procedure for Cable Routing 000 ee 5 15 5 2 4 Disassembly of Front Case ek e RR RR Hae a eh eae RE 5 18 5 2 5 Reassembly Procedure for Cable Routing 0 0 eee eee 5 26 Signature Edition GOLD Models 7130 7131 and 7230 7231 v Technical Service Manual TABLE OF CONTENTS 5 3 5 4 5 4 1 5 4 2 5 4 3 5 4 4 5 4 5 5 4 6 5 4 7 5 4 8 5 5 Assembling PUMP serso daa wet ees dev EST es ee sew ene TR se teen aes 5 29 TeSPAand Callbravion s beret doc CR ew eld carte bly bou VOUS CES dopo on 4 5 29 Power On Self Test bra oxi prr DES RC Een ii d aci ts 5 30 Mechanism Visual Check ics ces eleme biG ew xm Rn ehm em ee 5 30 Mechanical beak Test ome du pc About AA Ste eR a I eB ns 5 33 Pressure Verification and Calibration Test llle 5 34 Set Sensor Check
63. ignal a R R remove replace A D analog to digital RST reset ADC analog to digital converter RxD receive data AIR as required SCR silicon controlled rectifier AIL air in line SCU serial control unit BATT battery SMD surface mount device CRC cyclical redundancy check a SMT surface mount technology D A digital to analog SSD static sensitive device DAC digital to analog converter TTL transistor transistor logic DFU directions for use TxD transmit data DS display VAO voltage alternating oscillator ECD empty container detection VBKUP voltage backup F fuse f Vgs voltage gate to source FB Ferrite bead VNEG negative voltage H hexadecimal VMEAS voltage measured Hex hexagonal VMOTOR voltage to motor ISA Industry Standard Architecture VPOS positive voltage KVO keep vein open VPP volts peak to peak LCS lower chip select P e BVRAW voltage raw unregulated voltage NPN negative positive negative VTBI volume to be infused NSW not switched e VTHRES voltage threashold O S operating system WD watchdog PM preventive maintenance L WDI watchdog input PNP positive negative positive WDO watchdog output POST power on self test PR power regulator Signature Editione GOLD Models 7130 7131 and 7230 7231 1 13 Technical Service Manual GENERAL INFORMATION THIS PAGE INTENTIONALLY LEFT BLANK 1 14 Signature Edition GOLD Models 7130 7131 and 7230 7231 Technical Service Manual CHAPTER 2 CHECKOUT AND CONFIGURATION Softwar
64. includes the following configurations e 7130B 7130D 7130E 7131A 7131B e 7230B 7230D 7230E 7231A 7231B Signature Editione GOLD Models 7130 7131 and 7230 7231 1 1 Technical Service Manual GENERAL INFORMATION 1 1 INTRODUCTION Continued 1 2 PRECAUTION DEFINITIONS The key differences are TETTE HARDWARE A i isan alert describing the potential for serious consequences to the The 7131 7231 Series is labeled for patient or user such as death injury 220V with two power cord options and adverse reactions has isolated RS 232 Board potential equalization PE connector and drop a KXXIITIB is an alert to take special sensor board installed care for the safe and effective use of the There is no Nurse Call option device The keypad has symbols instead of ae d 1 3 SPECIFICATIONS SOFTWARE Refer to the applicable Signature Edition Gold DFU The 7131 7231 Series has a drug list only if the software version is 4 08 or 14 ACCESSORIES higher and profiles are enabled Some defaults are different in configuration Accessory items are available for use with mode and there are several languages the instrument These items are described to choose from in the following paragraphs The 7130 7230 Series 14 1 Nurse Call 7130 7230 only isa 100 240 VAC 50 60 Hz instruments All instruments are equipped with the nurse family that supports both single and dual call feature Alarms and some alerts from channel fluid de
65. interface to it The interfacing modules are as follows LED module Graphic LCD module MAIN Lower LCD module Battery AC off line switcher Keypad Nurse Call RS 232 board Motor Air in line sensors Pressure module Motor rotation sensor and mechanism latch detector optocouplers ECD board DC DC LOWER POWER LCD SUPPLY M WATCHDOG T EN 7 NA CPU KERNEL BATTERY Z MOTOR MECH 25 MHz CPU EPROM f MANAGER OTRO EEPROM RAM TAMP M SW LED s KEY COMBO MAIN PAD LCD RS232 IC AUDIO MAIN SPKR AME SPKR TEST PRESS i TT vec BKUP SPKR J ADREF tor SPKR TEST 55V U SUPER CAP Signature Editione GOLD Models 7130 7131 and 7230 7231 Technical Service Manual PRINCIPLES OF OPERATION OVERVIEW Continued The instrument power is supplied through the AC off line switcher module and the battery The main PCB contains all the control circuitry required for the instrument The board can be broken down into four main sections as follows CPU Kernel The microprocessor RAM ROM data communication and COMBO IC make up the heart of the system These are collectively referred to as the CPU kernel The CPU kernel is responsible for controlling the motor actuation sensing and responding to user input monitoring v
66. into a properly grounded AC outlet 8 Set stopcock to output into a class Aor B burette 9 Press POWER to turn channel on 10 Set primary infusion rate to 400 mL h 11 Set VTBI to 20 mL 12 Ensure instrument both channels if dual channel is set to Pressure mode 13 14 15 16 17 18 19 NOTE The factory default for the Monitoring Options mode is Pressure Press RUN HOLD to start primary infusion Infuse until tubing and burette are fully primed approximately 1 minute Press RUN HOLD to stop infusion Adjust height of instrument and or fluid container to attain a head height of 30 1 inches 76 2 2 5 centimeters between middle of pumping mechanism and fluid level in either the NOTE A 30 head height was used in the initial qualification of this process and is the recommended head height Based on observed field use a 24 head height was also tested and verified for the Rate Accuracy Specification bag or vented bottle vent closed on administration set or drip chamber unvented bottle with vent open on administration set Adjust fluid level in burette until meniscus is level with zero mark on burette NOTE The instrument may need to be run to prime the line to the zero level of the burette step 13 Verify primary infusion rate is 400 mL h Reset VTBI to 40 mL and clear volume infused Press RUN HOLD to start primary infusion Signature Editione GO
67. io volume settings are approximately Low min 45 dB Med 65 dB Hi approx 70 dB 4 7 2 Backup Audio Buzzer and Test Circuit A backup audio generation capability is provided to allow the instrument to generate an audible alarm in the event that the main speaker is unable to do so It is supplied through VBKUP a 1 0 Farad supercap C146 C179 energy storage device charged by a 5V linear regulator U32 U44 on the VAO SOURCE supply The buzzer is a self oscillating audio generator and speaker module which produces a 3 to 4 kHz tone when energized A logic circuit U30 U41 powered by VBKUP arms the circuit using the BKUP ALARM ARM signal Figure 4 13 User Interface Block Diagram LCD D7 0 LCD C31 2 COMBO IC EM LCD LCD EN Interface LCD_WR LED LCD RS Backlit Graphic 5 Bit PWM to LcD BKET_LED LED_CATH 0 200mA Tert COMBO IC LED Drive PWM Output LCD CONT 8 Bit PWM to m 7V to 11V Converter Lower Battery Display COMBO IC Processor Serial Control Unit LED CS A B SCLK KEY COL 4 0 KEY ROW 7 0 COMBO IC Digital Input COMBO IC Serial Control Unit Front and Rear Keypads Signature Editione GOLD Models 7130 7131 and 7230 7231 Technical Service Manual PRINCIPLES OF OPERATION 4 13 ECD BOARD Continued 4 13 2 7131 7231 Option Continued Figure 4 17 CLK 32K Hz Common Timing Logic The common timing and control logic generates the necessary dis
68. ion Figure 4 3 Keypad Ihfo amp Data Disp 27 keys 128x64 Dot Matrix Controller IC LED Backlight 1 chan pump 32 keys 2 chan pump Combo E Motor Current Logic Serial Intf Controller RAM Test Logic ROM CRC Logic LCD Interface Logic Audio Tone Generator Master Timebase Motor Timing Logic Sensor Interface UART Kemel 80C188 CPU 256KB EPROM 64KB RAM 25MHz Xtal RS 232 HDWR 19200 Baud RS232 Compatible RS 232 ESD Board RS232 Connector Speaker Connector ESD Protection Optional Nursecall ECD Ckt ECD htf Optional Ye Connectors AC put IEC Power Tub Line Filter Power Supply Integral Fuses 90 264VAC 50 60Hz Custom Module OffLie Swithing 4 5 POWER SYSTEM 4 5 1 Battery Manager Refer to Battery Management System in General Information chapter The Battery Manager U34 U40 is a custom programmed microcontroller with 4K of ROM and 1K of RAM memory The Battery Manager has two system time bases a 32 kHz crystal Y2 and a 4 MHz Electrical Partitioning Rate amp State hdicat as Ihndicatas 8x7 LED Matrix Drive amp Test 5x8 Keypad Interface Channel A Mot gt ontrol PWM Stepper Interface Motor Current Sense 12 Bit Resolution 8 Input Multiplexor Rotation Flag AIL Sensors Pressure Sensor Latch Sensor Channel A Rate amp State 8x7 LED Matrix Drive amp Test 5x8 Keypad Interface Channel B Lower LCD Display
69. ion Mode The instrument must be off both channels must be off for 72XX dual channel series The procedure for the single and dual channel is the same Any configuration in the dual channel sets the same value for both channels 1 Press and hold left bottom display soft key 2 Press and release POWER switch Continue to press display soft key until configuration mode display appears then release Page C1 of configuration mode is displayed This is a read only display AIB OPTIONS EN CONFIGURATION MODE oe ID No 001234567 e SW Rev 04 06 Config 2476 GOLD page 9 oe 4 3 Press page gt to advance to page to be configured NOTE For 7131 7231 the default code will be 5B44 for instruments set to factory defaults instead of 2D15 2 4 3 Setting to Defaults The Set To Defaults mode programs all configuration items to their default values CAUTION It is strongly recommended that the Configurable Options be reviewed for a complete list of defaults before using this feature 1 Advance to C2 page 2 Press Set to Defaults soft key AB OPTIONS Nise To Defaults O 1 Regional Settings el In Line a Profiles el page 9 s 4 3 Press ok to accept the change and return to beginning of C2 page Pressing cancel leaves all items set to their previous values and returns to beginning of C2 page A B OPTIONS
70. itter must be in closed position horizontal Figure 5 23 If AIL transmitter is not properly aligned unlock realign and relock gear tab until transmitter is properly aligned Figure 5 23 NOTE AIL transmitter may need to be aligned with inner edge of mechanism seal before locking gear into place Open latch halfway Figure 5 19 install mechanism into front case Route and connect cables Install cable tie straps included in kit on cables as before Reassemble instrument as described in Section Assembling Pump later in this chapter Figure 5 26 Faceplate Hook 5 22 Signature Editione GOLD Models 7130 7131 and 7230 7231 Technical Service Manual CORRECTIVE MAINTENANCE 5 2 DISASSEMBLY REASSEMBLY Continued 5 2 4 Disassembly of Front Case Continued 8 Replace AIL Receiver Button a Disassemble instrument as described earlier in this chapter to allow removal of mechanism Remove mechanism as described in section To Replace Repair the Mechanism earlier in this chapter NOTE To remove mechanism place latch in center position figure 5 20 Observe placement of cable tie straps for reinstallation cut and remove existing straps from cables Turn mechanism latch to far right AIL transmitter will be in open position Push AIL receiver in and rotate about 90 degrees clockwise AIL receiver should pop out Remove AIL receive
71. l Service Manual TABLE OF CONTENTS Chapter 4 Principles of Operation 4 1 4 2 4 3 44 4 4 1 4 4 2 4 4 3 4 44 4 4 5 4 4 6 4 4 7 4 5 4 5 1 4 5 2 4 5 4 4 5 5 4 5 6 4 5 7 4 5 8 4 5 9 4 5 10 4 5 11 4 5 12 4 5 13 4 5 14 4 5 15 4 5 16 4 5 17 Ta wroroiieno MEE DPI P rr Mr PT UE 4 1 General Information da edis 4 1 OVEIVIOW ascites 5 tien eh Sees iiid ocaso retardar e 4 2 Malt PGB uk dace heme haue ws S ess su its OSS bom Cana uod a oue o Rc ois a 4 3 CPU Kernel et tee dto 210g i Ore pd S tala gratia psi Yeu e dox b CO Ea ewato 4 3 Combo IG uostri voix Rt xm rentre ers aud bare 4 4 EEPROM siria tro rr tab ed abs da 4 4 EUM enit vci a mee tat dre E and ea a oen aaa She ey dor eB Alesse dc 4 4 Eas EEPISON hoste toi aro ntc ds Ut be ga eh ant 4 4 RS 232 Interface 7130 7230 Models 22 60620 eee eee eee ees 4 5 RS 232 Interface 7131 7231 Models 2 2 24 bee eee eee 4 5 Power Systemi us acidic x Rp REC tid eee eee a Sele Me d ns 4 6 Battery Manager crio eroe esee eda recen Qeon ee oc eas ead e mcs gab a A 4 6 AC Off Line Switcher io ek aea reu beo RES De ace Uus Boe atate A A DG 4 7 Refresh Cycle Load occitano Da Cur REG E RUE 4 8 VAO SUR dowd ea ots e Ee Caec e act ae Rs HC NEQU I be to iCal d 4 8 AC Line Sense ol RE E Re ck E A a Sag ao RA EAE ME RS 4 9 System Power Source Select s e A T RR RE RETE 4 9 Battery Voltage Monitor sssee ls eR RR RI m3 4 9 ui cn 4 10 Voltage Reference 4 1V 2
72. l round up or down to nearest 25 mmHg increment NOTE Enter the Def Alarm value that is less than or equal to the Max Press value 7 Press ok to accept change and return to beginning of C5 page AIB ON Pressure Dsply On Qa Pressure Alarm Adj 5 ef Max Press 600 mmHg L t Def Alarm 600 mmHg undo 4 i OPTIONS 2 4 16 Manual Baseline Auto Baseline The instrument reads a baseline at startup and then adds the alarm limit to determine the point of alarm For example if an alarm limit of 300 mmHg was selected the instrument would alarm at baseline 300 mmHg Auto Zeroing occurs the first time RUN HOLD is pressed this will be the maximum baseline Subsequent presses of RUN HOLD will only lower not raise the baseline Manual Baseline This sets a fixed baseline and overrides the Auto Zero level until the instrument is turned off the latch is opened the set is reloaded or the pressure baseline function is performed again This allows the instrument to display the actual pressure required for an IV to infuse To get this real time readout Manual Baseline must be On To activate this mode with instrument on hold or at startup press OPTIONS key and then select Set Pressure Baseline and press ok When RUN HOLD is pressed the bar graph will show the alarm point with a tic mark on the bar graph and the actual pressure in the line will be displayed below the bar graph
73. livery the instrument will be relayed to the features user interactive software facility s existing nurse call system No operating features of the instrument are displays prompts alarms and alert changed and it will alarm with or without the messages and troubleshooting nurse call The only additional item needed information on main LCD display is a cable with a 9 pin to mono phone jack can be configured to specific operational ALARIS P N 136111 requirements 1 4 2 Learn Teach RS 232 Cable allows upgrades for future product enhancements This is a standard commercially available 9 pin Null Modem RS 232 cable ALARIS has been designed to interface with P N 133450 The Learn Teach RS 232 accessory equipment including nurse cable is used to connect two instruments for call system and or computer monitoring the purpose of transferring downloading system configuration data from to another Refer to the applicable Signature Editione instrument Gold DFU for complete setup and operation information NOTE Guardrails9 Safety Software data sets cannot be transferred from one instrument to another via the Learn Teach function They must be downloaded directly from a PC 1 2 Signature Editione GOLD Models 7130 7131 and 7230 7231 Technical Service Manual GENERAL INFORMATION 1 4 ACCESSORIES Continued 1 4 3 Flow Sensor 1 5 1 5 1 1 6 Flow sensor capability is available with an upgrade kit for the 7
74. ll be displayed depending on which channel was selected AB OPTIONS MI Cal A Pressure D 1 DAC A Settings 6 e Cal B Pressure Jf DAC B Settings page i Figure 3 1 Pressure Test Setup 6 Adjust pressure to 0 mmHg from test fixture Press and release 0 mmHg soft key If readings are in a valid range it will display Pass 7 Apply 500 mmHg 2 mmHg from test fixture Press and release 500 mmHg soft key If readings are in a valid range it will display Pass 8 Remove 500 mmHg pressure applied to instrument then remove set 9 Press ok soft key to accept calibration and return to main D6 page 10 Set sensor check calibration verification a Press Cal A Pressure or Cal B Pressure dual soft key to re enter the same Cal Pressure screen b Verify both 0 mmHg and 500 mmHg readings display Pass c Install a standard set and close latch Verify reading is over 170 72 Series SISS Pressure Calibration Set Pressure Air Pressure Source 0 500 mmHg 3 8 Signature Editione GOLD Models 7130 7131 and 7230 7231 Technical Service Manual PREVENTIVE MAINTENANCE PREVENTIVE MAINTENANCE INSPECTIONS Continued 3 2 6 Pressure Calibration Continued d Remove set Verify Sensor reading is in 80 to 30 mmHg range without set installed If instrument will not soft cal pe
75. m fingernails and pens During a Verify infusion rate is set to 460 mL hr 3 2 Signature Editione GOLD Models 7130 7131 and 7230 7231 Technical Service Manual PREVENTIVE MAINTENANCE 3 2 3 2 2 PREVENTIVE MAINTENANCE INSPECTIONS Continued Functional Test Continued b With instrument on hold or at start up verify primary VTBI is set to 100 c Press RUN HOLD switch to begin infusion d Clamp off IV line just above instrument to simulate an upstream occlusion Verify instrument stops running alarms and displays OCCLUSION UPSTREAM within 60 seconds e Press RUN HOLD switch to silence alarm and put instrument on hold f Remove or open clamp on line g Press RUN HOLD switch to resume infusion Alarm should not reoccur Perform downstream occlusion test as follows a Continue infusing from above step b Verify rate is set to 460 mL hr Clamp off set just below instrument c Allow instrument to run until it alarms OCCLUSION DOWNSTREAM within 60 seconds d Press RUN HOLD switch to silence alarm and put instrument on hold e Release or open clamp f Press RUN HOLD switch to resume infusion Alarm should not reoccur 3 2 3 Flow Stop Test 1 Turn power off with administration set primed and loaded in instrument 2 With all tubing clamps open and fluid container 2 or more feet above instrument verify no fluid flows out of set 3 Remove set Verify no fluid flows out of set
76. ming the repair procedures NOTE If instruments are consistently used in a dusty environment cleaning should be performed yearly as part of the preventive maintenance procedure Main Board Assembly a Examine the main board assembly for any signs of dust and clean as necessary using a natural bristle brush or hand held vacuum b Using a natural bristle brush or hand held vacuum remove dust from the fan c Perform a visual check of the mechanism springs Refer to Mechanism Visual Check section Figure 5 6 Case Screws and Pole Clamp Position Remaining Case Screws Pole Clamp Knob knob may appear like this 5 6 Signature Editione GOLD Models 7130 7131 and 7230 7231 Technical Service Manual CORRECTIVE MAINTENANCE 5 2 DISASSEMBLY REASSEMBLY Figure 5 7 Locking Bar Continued 5 2 2 Disassembly of the Rear Case Locking Bars 1 Disconnect power supply board Used wherever Flex Cables connector battery cable Lift up the connect to Main PCB 7 places locking bar refer to figure detail and Locking Bars must be unlocked Flex Cable remove the RS232 flex cable from front for disassembly and locked for reassembly case Disconnect ground wires 1 for single channel from under motor Unlocked Position es The rear case is now completely Locked Position separated from the front case Set front case aside Figure 5 8 Disassembly of Rear Case S
77. modes beginning of C3 page Setting the Maximum Rate below the a rese KUO Rate will lower the KVO Rate 2 4 7 Setting Computer Link The KVO Rate will not exceed the The Computer Link feature allows a Maximum Rate hospital facility computer to interact with the instrument and programs the level of computer control available 1 Advance to C3 page The computer cannot start or stop the 2 P Maxi R ft kev instrument set the rate or make any PORS mee eel change in status If the feature is off the 3 Press and release soft key to select for computer cannot communicate with the editing instrument Monitor Mode allows computer to only AB OPTIONS receive information from instrument Enabling of the monitoring mode MI Maximum Rate ie automatically places it in the options menu Q1 Computer Link AN Optional Modes Off Mode does not allow any e ons Features communication between the instrument and 8 ee a computer page f m m 1 On C3 page press Computer Link soft 6 key 4 Use numeric keypad to enter maximum rate Press ENTER 2 6 Signature Editione GOLD Models 7130 7131 and 7230 7231 Technical Service Manual CHECKOUT AND CONFIGURATION Software Versions 4 06 and Higher 2 4 CONFIGURATION PROCEDURE Continued 2 4 15 Pressure Options Continued 6 Press and release Def Alarm soft key to select for editing Enter a number using keypad then press ENTER Instrument wil
78. ndo 4 1 3 Press and release Reset soft key to select for editing Press again to cycle between On and Off 4 Press and release Accumulator soft key to select for editing Press again to cycle between On and Off 5 Press ok to accept change and return to beginning of C2 page 2 4 5 Profiles 1 From C2 page press Profiles soft key AB OPTIONS gt Profiles Cc q Off Car a 4 6 2 Press and release soft key to select for editing Press again to cycle between On and Off NOTES The data set for Guardrails9 Safety Software must be loaded to set Profiles to On For the Guardrails9 Safety Software to function Profiles and Dose Rate must be On When Profiles is turned on the configuration mode will have limited access Access will be limited to Regional Settings Profiles Computer Link and VTBI with ECD only due to the data set overriding the configuration settings as part of the Guardrails9 Safety Software Signature Editione GOLD Models 7130 7131 and 7230 7231 2 5 Technical Service Manual CHECKOUT AND CONFIGURATION Software Versions 4 06 and Higher 2 4 2 4 6 Setting Maximum Rate CONFIGURATION PROCEDURE Continued This sets the maximum selectable rate The range for Maximum Rate is 0 1 to 999 9 mL h m NOTES The maximum rate setting applies to all 5 Press ok to accept change and return to infusion
79. nism markings are legible Cam followers should retract and extend smoothly Mounting Bracket TO MEE Air in line arm moves smoothly from Pole mounting bracket should be secure opened to closed position and functioning If the instrument is mounted Fluid Control Actuator rotates 180 on a pole or stand examine the condition of R Also examine the pole and 3 2 2 Functional Test 1 Turn instrument on without set installed Power Cord Assembly Verify it beeps and red alarm light Examine the power cord assembly for flashes Signs of damage cuts or deformities in 2 Set infusion rate to 460 mL hr and VTBI the cord If damaged replace the entire to 100 mL cord 3 Press RUN HOLD switch with latch Integrity of hospital grade power plug closed and rate and VTBI z 0 to cause Attempt to wiggle blades to ensure they set out and air in line messages are secure If any damage is suspected 4 Open latch replace entire cord a 5 Install primed administration set with Appropriate tension and connection l i latch open Applicable only if IV pole has electrical M UA receptacles for accessories 6 Verify instrument displays air in line and latch open messages Strain reliefs Examine strain reliefs at A both ends of line cord Be sure they hold 7 Close latch and verify display returns to cord securely setup page Keypad 8 Perform upstream occlusion test as follows Check membrane switches for damage MD such as fro
80. nt storage and error detection of RAM data The local serial interface control logic is used to interface with serial accessed peripherals such as the A D converter EEPROM LED Module s and Battery Manager The device also generates the Main LCD interface control signals The UART Intel 8251 equivalent and three 16 bit counters Intel 8254 equivalent are also provided inside the COMBO chip Six pulse width modulators for motor control and LCD backlight and contrast are also within the custom IC 4 4 3 EEPROM The EEPROM is used to store all configuration and diagnostic settings The EEPROM U9 U11 is accessed using the serial control unit within the COMBO IC Data is written and read back from the device through the serial data registers within the COMBO chip This device holds 256 16 bit words It is used to store data that will not be destroyed if power is lost to the instrument The EEPROM will store configuration mode calibration LCD contrast settings and certain diagnostic information e g instrument ID number PM interval PM on off battery run time and total instrument run time NOTE The Event Log is NOT stored in the EEPROM 4 44 RAM The RAM is used to store user set parameters for example volume to be infused VTBI mode rate and PRI SEC as well as the event log The instrument provides read write memory integrity by using redundant storage and automatic comparison Data written to RAM is sto
81. on of preventive maintenance inspections 3 2 PREVENTIVE MAINTENANCE INSPECTIONS A message can be set through the diagnostics mode which automatically reminds the user when preventive maintenance inspections are due Refer to Setting Preventive Maintenance Interval section in the Troubleshooting chapter 3 2 1 Regular Inspection Regular inspections consist of a visual inspection for damage and cleanliness and performing the procedure described in the Start Up section of the Directions for Use DFU before each usage of the instrument Signature Editione GOLD Models 7130 7131 and 7230 7231 3 1 Technical Service Manual PREVENTIVE MAINTENANCE 3 2 PREVENTIVE MAINTENANCE the course of the inspection be sure to INSPECTIONS Continued check that each switch performs its proper function Refer to Testing Switches section 3 2 1 Regular Inspection Continued of the Troubleshooting chapter Mechanism Case l Clean any surfaces where solution or Examine the instrument for overall obstructions have accumulated Verify condition The case should be clean and free from IV solution residue especially Mechanism seal is not torn or worn near moving parts Also check for dried Cam followers are not broken or cracked solution deposits on accessible areas of air and are free of foreign matter in line sensor pressure transducer and latch mechanism Check that labels and Proper operation of latching mecha
82. ough the instrument is accurate It is recommended with the initial use of the 80VCS set on each instrument to perform rate calibration first to save time Do not use the Model 80VCS Calibration Set for more than 15 rate calibration and post calibration rate accuracy verifications count one use for both calibration and verification of the same instrument Keep Water HN Source 5 30 2 inches E 70RCS Rate Cal Set Three Way Instrument St k opcoc d Stand IV Tubing M J Used Fluid 3 5 Receptacle PREVENTIVE MAINTENANCE 3 2 PREVENTIVE MAINTENANCE INSPECTIONS Continued 3 2 5 Post Calibration Rate Accuracy Verification Continued track of the number of times the set is used by recording each use on the 80VCS insert or on a separate record 1 Fill solution container with clean tap water Close AccuSlide Flow Regulator clamp on 80VCS Calibration Set and then insert spike into solution container 2 Open AccuSlide Flow Regulator clamp and prime set Pay particular attention to ensure all air is expelled from set Close AccuSlide Flow Regulator clamp 3 Connect output of set to one side of three way stopcock 4 Load set into instrument 5 Close latch 6 Verify there is no fluid flow or drops falling in drip chamber 7 Plug instrument
83. p the seal clip Remove seal clip from the assembly Signature Editione GOLD Models 7130 7131 and 7230 7231 5 23 Technical Service Manual CORRECTIVE MAINTENANCE 5 2 DISASSEMBLY REASSEMBLY Continued 5 2 4 Disassembly of Front Case Continued f Align a new seal clip in place and snap it in place 10 Replace mechanical seal a Disassemble instrument to allow removal of mechanism Remove seal clip and AIL transmitter as described earlier in this chapter Peel off old mechanism seal from the mechanism Peel and clean off any RTV adhesive remaining around the pressure sensor area CAUTION Be careful not to apply excessive pressure on the pressure transducer to avoid damage Apply new mechanism seal on the mechanism Use an orange stick to tuck the seal in around the flow control actuator clamp arms cam follower and AIL Receiver Reinstall the seal clip and AIL Transmitter Use RTV 3140 under edges of the seal and secure in place Figure 5 2T Remove any excess RTV with a cotton swab Kimwipes or equivalent Verify no RTV is exposed to the open area Figure 5 27 j Allow the RTV to dry and reinstall mechanism to the front case 11 To replace the key pad assembly remove the Key Pad only if it is defective Removing a good Key Pad will ruin it NOTE Keypad pictures are for reference only and may not match your instrument a
84. r contact ALARIS ie re nd USE a s Medical Systems Technical Support error history and infusion program settings may be lost To save error history record before proceeding 5 2 DISASSEMBLY REASSEMBLY The following procedures are presented in a sequence that provides the most efficient means of accessing and removing the subassemblies To reassemble perform the 1 Disconnect AC power from the instrument 2 Remove screw from Power Cord Retainer on rear case using a Phillips screw driver Figure 5 1 Instrument Assembly Organization Pole Clamp Panel Lock Switch Speaker Rear Case Battery Fan RS 232 Board AC Line Filter INSTRUMENT AC Off Line Switcher Lower LCD Main PCB lt LED Main LCD Front Case Mechanism including AIL LATCH and Pressure Sensor Main Keypad 5 2 Signature Editione GOLD Models 7130 7131 and 7230 7231 Technical Service Manual CORRECTIVE MAINTENANCE 5 2 DISASSEMBLY REASSEMBLY Continued Figure 5 2 View From Back of Instrument Handle Cover removed to access 2 case screws Tamper Switch Flow Sensor Plugs p RS 232 Cover and Connector Power Cord Power Cord Retainer Battery Cover Screw Battery Cover Figure 5 3 Case Screws 9 1 Case Screw Inside Battery Compartment d E Battery OY Battery Cover gt gt Signature Editione GOLD Models 7130 7131 and 7230 7231 5 3 Te
85. r wire from faceplate s hook Figure 5 25 and remove receiver from mechanism NOTE Leave AIL spring in place for new AIL receiver Thread new AIL receiver wire through opening Install AIL receiver with flat edge of assembly positioned as shown in Figure 5 22 NOTE Mechanism seal may be lifted up to position AIL receiver accurately Push AIL receiver in and rotate 90 degrees counter clockwise to lock into place Tuck mechanism seal under AIL receiver Proceed with AIL transmitter replacement if needed continue the following steps for AIL receiver replacement Close and open mechanism latch several times to ensure AIL transmitter and receiver open and close properly Route AIL receiver s wire under faceplate s hook Figure 5 26 With mechanism latch opened halfway Figure 5 20 install mechanism into front case Route and connect cables Install cable tie straps included in kit onto cables Reassemble instrument as described in Section Assembling Pump later in this chapter 9 Replace Seal Clip a Disassemble instrument to allow removal of mechanism as described earlier in this chapter Remove mechanism Refer to To Replace the Mechanism section and Figures 5 19 through 5 26 Put latch in the middle or center position to remove mechanism Use an orange stick to push on the two lower tabs inward while pulling out on the seal clip to un sna
86. red in both of the RAM devices main RAM U8 U9 and phantom RAM U4 U5 The processor reads data directly from the main RAM The phantom RAM data only goes to the COMBO IC The COMBO IC compares the data from the two RAMs on each read If the data does not match a bit will be set in a register within the COMBO IC When the instrument is off the VRAM supply is still on preserving the contents of the RAMs The second chip select line CS2 of the RAMs is tied to RST_CPU so that the RAMs can not be selected during power down sequence 4 4 5 Flash EEPROM The Flash EEPROM U42 U48 contains 1M bytes x8 of program memory The Flash EEPROM is programmed through the RS 232 interface Signature Editione GOLD Models 7130 7131 and 7230 7231 Technical Service Manual PRINCIPLES OF OPERATION 4 4 MAIN PCB Continued 4 4 6 RS 232 Interface 7130 7230 Models The RS 232 serial communications is supported by a UART which is located inside the COMBO IC The UART is equivalent to an Intel 8251 The UART s outputs drive interface U22 U45 which converts the logic level signals to RS 232 levels The system can support up to 19200 baud rate Figure 4 2a COMBO IC Block Diagram Audio Tone a Generator Audio Tone AMP3 0 Generator Main CPU Back round imer Motor Timer TIMER1_OUT Chan A Motor Timer TIMERO_OUT Chan B PWM1 PWM1 OUT6 5 Motor PWM PWMO PWMO OUT6 5 i Chan A BKGND_IRPT PWM3 PWM3_OUT
87. red language 7 2 Signature Editione GOLD Models 7130 7131 and 7230 7231 Technical Service Manual ILLUSTRATED PARTS BREAKDOWN Table 7 1 Other Parts Item Part Number Description QTY 148023 100 Kit Flash S W 4 08 7XXX 147718 102 Kit Flash S W 4 06 7XXX 148134 100 Kit Flash S W 2 78 7XXX 133450 Learn Teach Cable All Models 1 136111 Nurse Call Cable 7130X 7230X only AIR 301044 Tie Strap All Models AIR 701SS Pressure Cal Set AIR 80VCS Rate Calibration Set AIR 145096 Kit Flow Sensor ECD 71XX 145097 Kit Flow Sensor ECD 72XX 145094 Kit Flow Sensor Handle Cap 71X1 7130 145095 Kit Flow Sensor Handle Cap 72X1 7230 NOTE If model is not specified the part can be used on all versions 7130X 7130B 7130D 7130F 120V VERSION 7131X 7131A 7131B 220V VERSION Signature Editione GOLD Models 7130 7131 and 7230 7231 7 3 Technical Service Manual ILLUSTRATED PARTS BREAKDOWN Table 7 2 Case Assembly Item PartNumber Description QTY 090 141788 Battery Pack Conditioned 1 250 141496 100 Case Front Single Channel order keypad labels and feet seperately 141498 100 Case Front Dual Channel order keypad labels and feet seperately 300 144375 Case Rear Assy Single Channel 7130 order keypad labels and feet seperately 144126 Case Rear Assy Single Channel 7131 order keypad labels and feet seperately 144376 Case Rear Assy Dual Channel 7030 order keypad labels and feet s
88. rform Hard Pressure Cal Procedure Corrective Maintenance chapter AB OPTIONS Calibrate Pressure B 10 mmHg 1100 Pass 6 o 500 mmHg 2400 Pass ES el Pass 4 3 2 7 Ground Current Leakage Test Refer to the Signature Edition GOLD DFU 3 2 8 Ground Resistance Test Refer to the Signature Edition GOLD DFU 3 2 9 Battery Refresh Cycle METHOD ONE 1 Connect instrument to AC power 2 Enter Diagnostics mode by holding top left soft key while powering instrument on 3 Press PAGE soft key bottom right to advance to D2 page 4 Press lower left soft key to access Battery Status screen 5 Press lower left soft key to highlight Rated Cap value 6 Using numeric keypad enter 0 0 in Rated Cap value 7 Press the ok soft key bottom right 8 Repeat step 4 to access Battery Status 9 Repeat step 5 to highlight Rated Cap value 10 Using numeric keypad enter 1 3 in Rated Cap 11 Press ok soft key 12 Press and hold POWER key for a second to power instrument down Battery Refresh procedure has been initiated and will continue to run until complete whether instrument is on or off generally 12 to 24 hours Instrument needs to be connected to AC power during this period Disconnecting instrument from AC power will stop refresh cycle METHOD TWO 1 Disconnect instrument from AC power 2 Disconnect battery from instrument
89. rmines whether the drops are occurring properly for the current instrument rate and operating mode for example primary secondary EMC filtering is provided by filters C4 8 to limit EMI into or out of the flow sensor connection pins Option Installed and Sensor Installed Circuit The installed option detection consists of the input signal on pin 7 of J3 tied to 5V on the board The Main Processor has a pulldown resistor on the ECD INSTALLED signal which generates a logic low signal if the option is not installed Flow sensor installed signals are generated by monitoring the LED current sink drive transistor collector voltage Comparator U2A U2B monitor the voltage and generate a 5V output signal if they drop below about 1 7V Note that nominally the collector voltage should not go below about 2 2V with a flow sensor attached and driven at maximum current Signature Editione GOLD Models 7130 7131 and 7230 7231 4 27 Technical Service Manual Chapter 5 CORRECTIVE MAINTENANCE WARNING 5 1 INTRODUCTION The instrument case should only be opened by This chapter contains procedures required qualified personnel using proper grounding to properly disassemble repair and replace techniques Disconnect instrument from AC parts as well as to test calibrate and prior to performing maintenance Hazardous reassemble a Signature Edition GOLD voltages are present when AC power is Infusion Pump connected regardless of the ON
90. rument is on and plugged into AC In this mode both current sources are on driving the LEDs for maximum brightness and the current to the LEDs should be around 6 mA The instrument is on and not plugged into AC In this mode only VMOTOR is on so the driver generates the current to turn on the LEDs and the current to the LEDs should be around 2 mA MOTOR DRIVE SENSORS Motor Drive The stepper motor drive circuit consists of a dual H bridge to provide voltage to each winding of the hybrid stepper motor and a voltage comparator to control the duration that voltage is applied to each motor winding 4 16 Signature Editione GOLD Models 7130 7131 and 7230 7231 Technical Service Manual PRINCIPLES OF OPERATION 4 6 MOTOR DRIVE SENSORS Continued 4 6 3 Transducer Continued 4 7 calibration set has a hole drilled into the dome of the AccuSlide Flow Regulator This enables the pressure to be applied directly to the transducer for calibration 0 and 500 mmHg After pressure calibration the reading shown in the diagnostic mode for the sensor is corrected for any offset stress from loading the set outside of the pressure sensing area When the set is installed with dome intact the instrument looks for an increase in stress greater than 55 mmHg with auto zero enabled 90 mmHg with auto zero disabled Drift is checked periodically to ensure the transducer is accurate If not a Cal Reqd message
91. ruments It is not recommended to Learn Teach different model families such as using a Model 7130 7230 to Learn Teach a Model 7131 7231 1 Access Configuration Mode for both teacher and learner instruments and advance to page C6 2 Press and release Teach soft key of teacher instrument and press and release Learn soft key of learner instrument NEN AI BI OPTIONS Learn Rev 01 24 z 6 Teach Rev 01 24 page 4 4 Press and release start soft key of teacher instrument LA B OPTIONS Teach Status e el Awaiting Start 2D15 GOLD el cancel start i Downloading displays until transfer is complete and then display indicates if transfer was successful or unsuccessful 2 18 Signature Editione GOLD Models 7130 7131 and 7230 7231 Technical Service Manual CHECKOUT AND CONFIGURATION Software Versions 4 06 and Higher 2 5 TRANSFERRING SETTINGS TO 2 5 2 Pop Up Displays ANOTHER INSTRUMENT Continued The pop up screens appear when an 2 5 4 Learn Teach Instrument Procedure AE made to Qum eap aruman Continued execute the teach mode after changing the configuration or accessing a configured item but not changing the configuration name If the instrument s configuration is NOTES changed and not the configuration name Repeat allows the operator to reattempt instruments with the same name may hav
92. s of 24 hours if the instrument is rated capacity of the new battery fred on 5 4 Signature Edition GOLD Models 7130 7131 and 7230 7231 Technical Service Manual CORRECTIVE MAINTENANCE 5 2 DISASSEMBLY REASSEMBLY Continued Front Case Figure 5 4 Cap Handle Screws 1 Lift and remove the battery cover Refer to Replacing Battery section earlier in this chapter 2 Press on Cutouts to pop Handle Cap off cap for handle from Snap Fit Points inside between handle and case to access two Remove hendre Cap to access Case screws to open unit Screws from back Remove the two screws using a Phillips screw driver 3 Remove the battery to get the hidden case screw inside the battery compartment Remove the screw Figure 5 5 Hidden Case Screws in Battery Compartment Battery Compartment Hidden Case Screw Signature Editione GOLD Models 7130 7131 and 7230 7231 5 5 Technical Service Manual CORRECTIVE MAINTENANCE 5 2 DISASSEMBLY REASSEMBLY Continued Front Case Continued 4 Remove remaining case screws 6 for dual 4 for single 5 Lay pump face down 6 Position pole clamp knob down 7 Lift rear case to access the inside of the pump 8 The following step should be included whenever opening the instrument for repairs or other maintenance The main board assembly should be inspected for dust and cleaned whenever the instrument is opened Perform this new step prior to perfor
93. ssemblies ITEM This number corresponds with item number in illustration PART NUMBER This is the ALARIS Medical Systems number needed when placing an order There are two categories of part numbers as follows Custom built parts all have 1 XXXXX series part numbers Commercially available parts all have 3XXXXX or 8XXXXX series numbers It is recommended that such parts be purchased from ALARIS Medical Systems whenever possible Signature Editione GOLD Models 7130 7131 and 7230 7231 7 1 Technical Service Manual ILLUSTRATED PARTS BREAKDOWN 7 3 7 4 Parts List Continued PART NUMBER Continued When a part number is not provided that part is either not sold by ALARIS Medical Systems or can only be replaced repaired by ALARIS Medical Systems authorized service personnel DESCRIPTION Descriptive information that may be helpful when placing an order QTY Total number of each item used ORDERING PARTS Parts can be ordered by writing or calling ALARIS Medical Systems Customer Service refer to General Contact Information Page at the beginning of this manual When requesting a part provide the following information Instrument name and model number Instrument software version Refer to applicable Signature Editione GOLDDirections for Use DFU for directions on viewing software version Partnumber Part description as provided in parts list Forlabels specify requi
94. t Continued The test run mode enables the instrument to run without fluid after being repaired To run the instrument without fluid perform the 5 Apply pressure of 15 psi 1 psi following 775 mmHg 50 mmHg for one minute 1 Cut AccuSlide Flow Regulator segment out of standard set Leave 2 inches of tubing at top and bottom 6 verify air bubbles do not continue to show up in fluid container NOTE When air pressure is first applied a 2 Cut membrane on backside of few bubbles are acceptable during AccuSlide Flow Regulator clamp at mechanical leak test bottom of pumping segment Use knife or other appropriate tool and cut an X 7 If bubbles continue to show in fluid into membrane to relieve pressure that container return instrument to factory or will build up during testing replace mechanism or case as needed 5 4 4 Pressure Verification and Calibration Test Figure 5 35 AccuSlide Flow Regulator Refer to Calibrating Channel 4 Pressure section in Troubleshooting chapter for soft 2 Segment cal procedure 5 4 5 Set Sensor Check 1 Enter Diagnostic Mode and AccuSlide Clamp advance to D6 page open 2 Install set and allow a 30 minute warm up while in AccuSlide Diagnostic Mode Clamp closed 3 Sensor reading with set in should be greater than 170 Place X cut here mmHg on backside Dome on backside 4 Remove set and close latch Sensor
95. t reference designations in this chapter the dual channel instrument will be represented in parenthesis for example U13 Signature Editione GOLD Models 7130 7131 and 7230 7231 4 1 Technical Service Manual PRINCIPLES OF OPERATION 4 2 GENERAL INFORMATION Continued The instrument contains a peristaltic pumping mechanism and support circuitry to ensure controlled flow The peristaltic mechanism consists of a linear array of 12 cam followers which travel perpendicular to the administration set These cam followers act like fingers kneading the membrane When the fluid filled disposable is placed against the array of cam followers the coordinated sinusoidal motion of the cams causes a peristaltic wave of fluid displacement in the instrumenting segment of the disposable 4 3 The instrument will alarm at signs of internal problems and at preset thresholds for external problems for example when battery charge falls below a critical level or instrument output pressure exceeds a programmed limit All alarms provide visual and auditory signals to alert the operator Accuracy of fluid delivery is a function of the microprocessor controlled rotation cycle of Figure 4 1 Main Block Diagram AC Q OFFLINE BATTERY 2 SWITCHER CHARGER the camshaft and the administration set section compressed by the cam followers OVERVIEW The instrument contains one main PCB and several modules that
96. teps 1 2 gm IL mesi d EE Channel B jh Channel A Main PCB Board Screw Power Supply Board Connector Battery Cable Locking Bar Corea A RS 232 Flex Cable Ground Wires F9 A en Il ext f v in FE E TAN N Rmus a N Y n cl Jy Signature Edition GOLD Models 7130 7131 and 7230 7231 5 7 Technical Service Manual CORRECTIVE MAINTENANCE 5 2 DISASSEMBLY REASSEMBLY Continued 5 2 2 Disassembly of the Rear Case continued 2 To replace the power supply board assembly Remove the four screws from Heat Sink using Torx 3 32 or 2 5mm driver to separate power supply board from the inside of the rear case Figure 5 9a Disconnect the cable from the power supply board Figure 5 9b NOTE DO NOT remove cover from back of power supply board If it is loose reinstall with RTV Figure 5 9a Power Supply Board Pole Clamp K AI ni 7 5 Su h 3 32 Screws 4 m ma H EN S SS S bh i i p y D am T J 3 To replace ECD board assembly if installed a Remove screw on ECD board using Phillips screw driver then remove the RS 232 board Figure 5 10 4 To replace RS 232 board assembly a Pull the RS 232 cover away from the connector then remove two hex nuts using 3 16 socket wrench Figures 5 11 and 5 12 b Disconnect the Panel Lock Key Pad flex cable by lifting up on locking bar c Disconnect speaker and fan from RS
97. urns PWR ON high when the instrument is on and turns PWR_ON low when the instrument is off If the instrument is on and a watchdog error is active WD OUT is asserted low The second one shot U36 13 U46 5 will be enabled When the power switch is pressed an 8 ms pulse is generated at the Q output of U36 13 U46 5 The pulse resets the power latch U40 9 U39 9 4 5 20 Lower LCD Display Backlight Drive The backlight for the Lower LCD display contains 6 LEDs in series The signal AOD BKLT is tied to the anode of the first LED in the series Each led has about a 2V forward drop So AOD BKLT will be about 12 13V when the LEDs are turned on 4 6 4 6 1 The Lower LCD display backlight drive circuit controls the amount of current supplied to the LEDs The circuit contains two current sources or d together One current source is powered from DC INPUT the voltage supply from the AC off line switcher The second source is powered from VMOTOR which is generated when the instrument is on The circuit has four modes of operation The instrument is off and unplugged In this mode the backlight driver is off and the two power supplies that drive the circuit are both off The instrument is off but plugged into AC In this mode the current to the LEDs is limited by a resistor VMOTOR will not be on so only the DC INPUT path generates the current for the LEDs and the current to the LEDs will be about 4 mA The inst
98. wer LCD Display refer to Figure 1 1 Includes a relative time clock The Battery Manager communicates with the main processor via a serial data channel The main processor issues commands to the Battery Manager which then responds with status information and data using this channel Fan The internal fan is used for cooling mainly to help prolong battery life It is a ball bearing brushless DC fan The fan is always on when the battery is charging with Fast or Top up charge The fan will go on any time battery temperature is over 22 C 1 6 2 Battery and Charging Process The battery is a ten cell 1 2V per cell high capacity nickel cadmium type rated at 12 volts and 1 8 amp hours with a minimum of 500 charge cycles The battery pack 10 to 18V has a built in temperature sensor which allows the Battery Manager to monitor the temperature of the battery The pack also includes a temperature limiting thermostat which opens the circuit if the battery temperature gets too hot and closes again when the temperature returns to normal The battery charge circuit charges the battery with a constant current of 1 ampere whenever the Battery Manager turns the Signature Editione GOLD Models 7130 7131 and 7230 7231 1 3 Technical Service Manual GENERAL INFORMATION Table 1 2 Abbreviations Acronyms PRI SEC primary to secondary Symbols PWB printed wiring board PWM pulse width modulator j active Low logic s
99. y the Main Processor Continuous Low Battery Manger detects an error within the Battery Manager itself Figure 4 7 System Watchdog 4 MHZ RESONATOR BATTERY 32 768 KHZ MANAGER RESET Oscillating at 10 Hz Instrument is on or no watchdog errors have occurred When the 10 Hz signal begins to oscillate the watchdog outputs WD OUT and WD OUT will be deactivated The one shot U36 9 U46 13 keeps its output Q high as long as the falling edges of the signal 10 Hz are faster than the pulse width of the pulse generated by R245 R323 and C49 C67 which is 105 to 220 ms The Q output of the one shot U36 12 U46 4 disables the second one shot U36 13 U46 5 The second one shot is only enabled when the watchdog is in alarm When 10 HZ is not oscillating the one shot U36 5 U46 13 will not trigger therefore output Q is low and Q is high The watchdog outputs WD OUT and WD OUT are activated until the Battery Manager releases them by generating the 10HZ TO MAIN PROCESSOR gt PWR ON U34 U40 10 HZ R245 R323 C49 C67 U36 U46 U36 U46 PWR S VAO AIB pido bl ele AB U40 U39 WD OUT NCALL_WD Signature Edition GOLD Models 7130 7131 and 7230 7231 Technical Service Manual PRINCIPLES OF OPERATION 4 5 POWER SYSTEM Continued 4 5 17 System Watchdog Continued 10 Hz output The NCALL_WD signal is

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