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BAXTER Flo-gard GSP Infusion Pump Service Manual

Contents

1. 9c c ITT OC 6T 81 21191 SI T 21 11 ri 2111 01 6 8 4 9 IS IC jndjno 5108196 Jeurejei SSULI S I sues 55914 1 sseud A c4 JOSUIS 3 Inss3 dq 77009997 rum s rosuag 0 1JUO 1030 BETT gino vino arno vino FRELSER Josuas 9718 99ULI S B Bue gt ddyg 44 Flo gard GSP Service Manual ELECTRICAL SCHEMATIC DIAGRAM OF THE PUMP CONTINUED POWER SUPPLY UNIT A2 x t oo 57 S BERN s gt gt saq SR ES 06 ON Be A LS ea e et 857114 3 AW oO 50 S E pa 2ls3 8 y 9 7 51919 amp ale amp 89 Qo o OUT2 mm Vec e Force ref 0 Piezo transducer Force Force enable AGND esa A GND RS232 GND Sensors mod Backlight mod Force sens test Backlight mod A Syr retainer ASA Drive engaged lt Pusher pos 11213141516171819 110 111 112 113 114 15 16 a Force ref 1 2131415 6 7 8 9 10 22 23 124125 26 127128 129 11 12 13 14 15 16 17 18 119 20 21 22 23 24 25 26 Backwards 5 E E E Forwards E gt 2 a Senso
2. 82 10 1 Spare AccessorIeS IT 10 2 Spare Labels Publications er rr rere TI 10 3 Spare Electrical 78 10 4 Spare Mechanical 78 Flo gard GSP Service Manual 1 INTRODUCTION 1 1 GENERAL INFORMATION The Flo Gard GSP syringe pump is designed to accurately control the delivery of solution to the patient by means of a disposable syringe The Flo Gard GSP syringe pump is compatible with a wide range of standard single use disposable Luer lock syringes ranging from 10ml to 100ml in size This SERVICE MANUAL describes the theory of operation how to check troubleshoot and repair Flo Gard GSP syringe infusion pump Ensure that you are fully familiar with this equipment by carefully studying the Operator s Manual and this Service Manual prior to attempting any repairs or servicing 1 2 GENERAL PRECAUTION gt Please read the general Operating Precautions described in the Operating Instructions carefully prior to using this pump This pump contains static sensitive components Observe strict precautions for the protection of static sensitive components when attempting to repair and service the pump An explosion hazard exists if the pump is used in the presence of flammable materials Exercise care to locate the pump away from any such hazardous sources An
3. Incorrect soft Bootstrap CRC Power off then on If failure code recurs replace Bootstrap software PRO2 Power off then on If failure code recurs replace software PRO3 Power off then on If failure code recurs replace software BSxx Power off then on If failure code recurs replace Bootstrap software SMOI Stepper motor software module has failed Power off then on If failure code recurs replace software Momentarily stepper motor rotation speed 15 Check Encoder Unit and replace it if high in comparison of inputs steps and necessary encoder Check Drive Unit board and replace it if necessary Momentarily stepper motor rotation speed is Check Encoder Unit and replace it if low in comparison of input steps and necessary encoder or is not rotating when it should Check Drive Unit board and replace it if necessary Check Stepper Motor and replace it if necessary Check Motor Belt and replace it if necessary Accumulated stepper motor rotation speed is Check Encoder Unit and replace it if low or high in comparison of input steps and necessary encoder Check Drive Unit board and replace it if necessary Check Stepper Motor and replace it if necessary Check Motor Belt and replace it if necessary Barrel sensor is damaged Check barrel sensor and replace it if necessary Flo gard GSP Service Manual 29 SM02 SM03 SM04 problem persists replace Electronic board if necessary ABO2 Durin
4. 4 Idf SNOOA 008 Au lt Ez woo lt lt xr EN ld Cl 54 Flo gard GSP Service Manual 8 8 POWER SUPPLY UNIT COMPONENT LOCATION DIAGRAM 2 sn MOTA UOPOK b Hs 5 LSD Ola da 99 ES Ir TA Ho 0 In EN LA STI 2 z oca HBoro 55 Flo gard GSP Service Manual 8 9 BATTERY MONITORING UNIT COMPONENT LOCATION DIAGRAM Flo gard GSP Service Manual 56 9 MECHANICAL ASSEMBLY DRAWINGS AND PART LIST 9 1 PART LIST REFERENCE PART DESCRIPTION QUANTITY NUMBER 6 ___ V8413101 Motorbelt 0 0 8 ____ 6660032 Sensors unit Z o Z o 9 84709 02 20 B812705 Syringeclamp 1 0 22 B680002 Display unit j 1 23 B3087044 01 Electronic board without display unit 1 24 V520700 5 1 25 ___ V6675047 j 1 26 V6675048 Keyboard K2 narrow 0 0 1 28 ___ 88703025 Syringe barrel sensor cover 1 30 B6710007 Piezotransducerunit 1 34 B6680015 RS232connectorunit j 1 35 X B668006 4 12VDC amp Nursecallunit 1 37 B6730007 Ma nsfilterunit 1 B6340012 01 Power supply unit without switching power supply 41 V5500700 Switching power supply MPS30 12 1 42 86401 Battery unit
5. Flo Gard GSP SYRINGE INFUSION PUMP BS036010EN P06 Baxter Prior to servicing this pump read this manual and the pump s Operator s Manual carefully to fully understand the pump s functionality and to ensure safe and proper servicing CONTENTS gt INTRODUCTION u uu uuu Estos 4 1 1 General 2 4 1 2 General Preaaution sauna 4 1 3 SEIVICE CODEC eier 3 TECHNICAL DESCRIPTION 8 2 1 E Nai 8 2 2 Electronic Board E ETE 10 2 Dive aia 13 2 4 POWer SUDDIS Un dr ica ciel 14 2 5 IRDA RS232 Nurse Call Interface Specification 14 2 0 Bootstrap Loader 15 USER CONFIGURATION MENU 16 SERVICE MENU eek 16 Zl Maintenance Mentoren 16 4 2 Proerai ok nenn 16 4 3 Cabra bars 17 Ale ea ass 20 RECOMMENDED ROUTINE MAINTENANCE ANDERES PUN Gac 22 5 1 AC Battery Operation 22 5 2 General Cleaning and Inspection for Damage 22 23 24 Infusion Rate Check ana ara 23 5 5 Occlusion Pressure Level 23 6 5 24 O Sey WARNINGS esse NL 24 6 2 Pump has been dropped or
6. i jj poo m x ES i WI E gt Flo gard GSP Service Manual 60 Motor belt continuation f f Fell 9 2 5 Sensor unit B6660032 Flo gard GSP Service Manual 61 9 2 6 Encoder ruler 9 2 7 Drive Flo gard GSP Service Manual 62 Drive continuation 9 2 8 Syringe support Flo gard GSP Service Manual 63 9 2 0 Syringe pusher Flo gard GSP Service Manual 64 9 2 10 Syringe pusher drive 9 2 11 Drive Unit board 74 Flo gard GSP Service Manual 65 Drive Unit board continuation 9 2 12 Syringe size sensor ni x pP E SEN ww LI O C 0 Flo gard GSP Service Manual 66 9 2 13 Syringe clamp Flo gard GSP Service Manual 67 9 2 15 Electronic board Electronic board continuation Flo gard GSP Service Manual 68 9 2 16 SRAM See Note 1 OTE 1 Ensure proper position of the key 9 2 17 Keypads A Flo gard GSP Service Manual 69 9 2 18 Syringe barrel sensor cover 9 3 REAR CASE ASSEMBLY 9 3 1 RS232 connector unit and piezotransducer unit Flo gard GSP Service Manual 71 9 3 3 Switching power supply 9 3 4 Power supply unit 72 Power supply unit continued 9 3 5 Battery unit 73 ice Manu Flo gard GSP Serv Battery unit continuation h gt AA i I
7. 1s transferred to the Drive Unit board 2 1 5 Syringe retainer plunger grippers and pusher lever sensors The plunger grippers and pusher lever sensors are composed of photo interrupters D4 D5 D6 The LED s of the photo interrupters are supplied with pulse modulated current through pin 8 of JP1 connector of the Drive Unit board When the syringe is loaded the shutters controlling the photo interrupters D4 and D6 are opened When the pusher lever is lifted up the shutter controlling the photo interrupter D5 is opened Output signals of these sensors are summed to form syringe retainer output voltage at pin 7 of JP1 Drive Unit board in accordance with the Table 1 Plunger grippers Pusher lever Syr retainer sensors D4 D6 sensor 05 output voltage Off gt 0 3V lt 0 6V lt 0 95V lt 1 4V Table 1 2 1 6 Drive engagement sensor The drive engagement sensor is comprised of photo interrupter D3 Its LED 1s supplied with pulse modulated current When the half nuts of drive are closed engaged the shutter controlling the photo interrupter D3 is open and electrical pulses are generated at pin 6 of the Drive Unit s board JP1 connector 2 1 7 Syringe size sensor The syringe size sensing is achieved using the linear potentiometer R1 The signal from the potentiometer slider is applied to the Electronic board via pin 2 of JP8 connector 2 1 8 Pusher position sensor An optical absolute encoder of pusher positio
8. AC Mains Battery operational checks section 5 1 General cleaning and inspection for damage section 5 2 Battery test section 5 3 Infusion rate check section 5 4 Occlusion pressure level check section 5 5 Full test sections 4 4 1 4 4 12 5 1 AC MAINS BATTERY OPERATION CHECK Switch the pump on and plug pump into the mains Observe that the MAINS indication LED becomes illuminated Remover the mains supply and observe that the MAINS LED switches off Observe that the battery indication LED becomes illuminated as the mains supply is removed 5 2 GENERAL CLEANING AND INSPECTION FOR DAMAGE To ensure that this pump remains in good operating condition it is important to keep it clean and carry out the routine procedures described below Servicing should be performed only by a qualified service engineer with reference to this manual The following routine maintenance procedures should be carried out as required but at least once per year Thoroughly clean external surfaces of the pump before and after prolonged periods of storages by wiping a lint free cloth lightly dampened with warm water and standard disinfectant detergent solution Disinfectants known to be corrosive to metals and plastics must not be used Before cleaning always switch OFF and disconnect from the AC power supply Never allow liquid to enter the casing and avoid excessive fluid build up on the pump Do not use aggressive cleaning agents as these may d
9. Baxter Instrument Services 5055 Unit 5 Satellite Drive Mississauga Ontario LAW 5K7 CANADA Tel 1 877 331 9336 Fax 905 281 6730 Chie Chia Baxter de Chile Ltda Avenida Mexico 715 Recoleta Santiago CHILE Tel 56 2 6213707 Fax 56 2 6213708 Baxter Healthcare Ltd Rm 503 China Garments Mansion 99 Jian Guo Road Beijing 100020 CHINA Tel 8610 6581 1206 Colombia Denmark Laboratorios Baxter SA Carrera 99 146322 Santafe de Bogota DC COLOMBIA Tel 57 1 4211820 Fax 57 1 4210055 x234 or x233 Ecuador Baxter Ecuador SA Av Naciones Unidas 1084 Esquina Amazonas Edif Previsora Torre B Ofic 408 Quito ECUADOR Flo gard GSP Service Manual Baxter A S Gydenvang 43 DK 3450 Allerod DENMARK Tel 45 0 48 166 435 Fax 45 0 48 166 464 Finland Baxter OY Pakkalankuja 6 PO Box 46 FIN 015111 Vantaa Finland Tel 35 0 89 862 1111 Fax 35 0 89 862 1211 France Germany Baxter S A Baxter Deutschland GmbH Avenue Louis Pasteur Am Wolfsmantel 46 Boite Postale 56 91058 Erlangen 78311 Maurepas Cedex GERMANY FRANCE Tel 091 31 61 79 122 Tel 33 0 1 34 61 5566 Fax 33 0 1 34 61 5537 Greece O Baxter Hellas EPE Baxter Healthcare Limited Ethnarhou Makariou 34 amp Athinodorou Unit 7 Deansgrange Industrial Estate GR 156341 Illioupolis Blackrock Co Dublin Athens IRELAND GREECE Tel 3
10. This test checks the piezotransducer speaker and buzzer operation Select Speaker buzzer from the testing menu and press the OK softkey Check for the alternating volume and pitches sound from the speaker Check for the sound from the buzzer Press the QUIT softkey to return to TESTING menu 4 4 10 Keyboard test This test enables checking the keypad operation Select Keyboard from the testing menu and press the OK softkey You will be prompted to press keys on the display flashing in sequence 4 4 11 LEDs test This test 1s intended to check the LED operation Select LEDs from testing menu and press the OK softkey The following LEDs should activate one after another ALARM ALERT INFUS and BATTERY In order to check the operation of BATTERY LED it 1s necessary to connect the power cable In order to check the operation of MAINS LED it 1s necessary to remove and reconnect the power cable Press the QUIT softkey to return to TESTING menu 4 4 12 Watch dog test This test enables checking of the watch dog circuit operation Select Watch Dog from testing menu and press the OK softkey Initially the watch dog circuit is applied with an over frequency signal and later with an under frequency signal When test completed switch off the pump using the OFF key Flo gard GSP Service Manual 21 5 RECOMMENDED ROUTINE MAINTENANCE AND TESTING It is recommended that routine maintenance be carried out at least once a year This should include
11. Unit board Check the circuit starting from drive engaged sensor to the Electronic board Calibrate syringe size sensor see section 4 3 1 If the problem persists check syringe size sensor Calibrate pusher position sensor see section 4 3 2 If the problem persists check pusher position sensor Check encoder unit Check stepper motor Check Drive Unit board Check motor belt 26 Replace faulty buzzer Z1 If necessary load bootstrap and afterwards load program If necessary replace syringe pusher with syringe gripper sensor If necessary replace syringe pusher with pusher lever sensor If necessary replace syringe barrel sensor If necessary replace drive with drive engaged sensor If necessary replace syringe SIZe Sensor If necessary replace encoder ruler If necessary replace sensors unit B6660032 If necessary replace encoder unit If necessary replace stepper motor If necessary replace Drive Unit board If necessary replace motor belt Occlusion pressure level incorrect Calibrate syringe force sensor see section 4 3 3 If the problem persists check syringe force sensor Check syringe force sensor amplifier circuit If necessary replace syringe pusher with syringe force sensor If necessary replace Drive Unit board Too short operation time on Calibrate battery unit see If necessary replace battery battery section 4 3 4 unit Pump does not ope
12. 1 Ensure the seal 45 is properly positioned Flo gard GSP Service Manual 74 9 4 FINAL ASSEMBLY See Note 1 Note 1 Ensure the seal 45 is properly positioned Final assembly continuation E Flo gard GSP Service Manual 75 Final assembly continuation Flo gard GSP Service Manual 76 10 SPARE PARTS LISTING 10 1 SPARE ACCESSORIES PART NUMBER DESCRIPTION old B8640022 01 old B8640022 02 old B8640022 03 00 Digitron pressure meter model 2022P 0 1500 mmHg Bootstrap Loading Unit ____ 10 2 SPARE LABELS PUBLICATIONS PART NUMBER Operator s Manual Flo Gard GSP Syringe Infusion Pump 8180125 01 XX language name codes DA Flo gard GSP Service Manual 77 10 3 SPARE ELECTRICAL COMPONENTS Switching power supply MPS30 12 Electronic board without display unit Encoder unit 414 10 4 SPARE MECHANICAL COMPONENTS Flo gard GSP Service Manual 78 B6337021 V5511152 Cap RS232 V5511153 Cap 12VDC amp Nurse call L5555024 Clip 8280007 V6300400 Flo gard GSP Service Manual 79
13. 95 LSO Mor TITO OLI EE Lan r 5 E qut 190 L 7 i oq od 8 I T897W 1 Mp 660 6dL 48 Flo gard GSP Service Manual ELECTRONIC BOARD SCHEMATIC DIAGRAM CONTINUED densjoog Dv V8 80d CELOHPL 9 Tio 1610 Tipo 122 JA ala SI lt pl II 01 qui VI DIA Ti Lio A m 7 THTO O I 2 919 SN DDA 8 ERA St I 7 SN 90A t gt E H T Ai TO 90 8 91 21899 91 mer Leal TLITITL JOIA NOV Tr T 4 0 AOI SET NOV DIA pieoqAoN losues 9715 OGULIAS e sdf 49 Flo gard GSP Service Manual ELECTRONIC BOARD SCHEMATIC DIAGRAM CONTINUED Tdi NILL SaR Ti 9 39 Got _ ES HLTTE TF XVIN 2 T amor 2 TH DO SI ANT IO 11 TO TASOV8XZd OA OTVS8XZH CIC 9POIp 0 7 Scravd 00 90St MNDH SVIPNITI 8 e ATS 814 NAXCLLHS HOU ASNES LAdLNO 85804 AND MOTO dV L 986 IdL A ULSTOHPL en edf C6 Lt 44 ys ppeqg V8 80d PL oo oo i gt i U 3 91 9 T e J i Ela peu MESE ERE 4 7 DE AECA E i 01 H LL mro 6 F
14. When approaching the target value it is recommended to run transmission in short steps since if you fail to stop transmission timely and target value is Flo gard GSP Service Manual 18 overridden calibration procedure must be repeated from the beginning When pressure is adjusted as required press the OK softkey then press retainer lever and move the retainer away from the plunger Leave the pump at rest for at least 15 min then press and release the retainer lever a few times and check the values displayed on the pump screen to make sure the following difference between actual output value and V1 value is not greater than 10 mV otherwise this calibration procedure shall be repeated from the beginning a few times if necessary difference between V2 and V1 values is within range of 1500 2900 mV Wrong readings may indicate malfunction of the force sensor or the Drive Unit Press the QUIT softkey to exit 4 3 4 Battery calibration Battery calibration cycles the battery through a charge discharge re charge sequence during which the fuel gauge within Battery Unit will be updated with a measurement of the current capacity of the cells This calibration allows the fuel gauge to monitor accurately the charge in the pack Over time the estimate of capacity may drift from the actual cell capacity which generally decreases with time Recalibration will update the fuel gauge with the measured capacity of the cells Remove t
15. at 30VDC Relay contacts are accessible at the connector on the rear of the pump After detecting an alarm condition the microcontroller sets a logic 1 at its P2 5 output pin 52 which opens transistor T3 on the power supply s PCB and the relay is activated If a failure of the microcontroller is detected an output signal from the watchdog circuits activated the relay 2 6 BOOTSTRAP LOADER UNIT A bootstrap loader unit is used for downloading bootstrap into the Flash memory U10 on the Electronic board utilizing microcontroller s U12 internal bootstrap loader when the Flash memory s software does not contain bootstrap or it does not work Bootstrap loader unit 1s connected to the JP6 connector of the Electronic board It allows launching the U12 microcontroller by means of manual reset signal maintains Power Supply Unit active commutates UART via the RS232 interface and configures the microcontroller so as to launch its internal bootstrap loader Flo gard GSP Service Manual 15 3 USER CONFIGURATION MENU Depressed the key and turn the pump on Enter code 237 using the numerical keypad Press OK to confirm the code The User Configuration Menu will be displayed Use the softkeys to select the required parameter see Operator s Manual 4 SERVICE MENU While keeping pressed the key turn the pump on Enter code 751 using the numerical eypad Press OK to confirm the code The Service Menu will be displayed Use the A
16. circuits built using comparators U3 U6 and thyristors D6 D7 are intended to prevent occurrence of over voltage and under voltage at the 5V supply circuit in the case of failure of voltage regulator or short circuits within pump electronics Voltage in the VccNS circuit is approximately when pump is connected to the mains and approximately 7V when disconnected powered from the internal battery Vcc voltage is 5V when pump is switched on and 0 when switched off The 45V regulator U2 is switched on when VccNS voltage is applied to its ON OFF input pin 2 which occurs when the operator presses the pump s ON OFF key The regulator is switched off by means of the SHDN signal which is generated by microcontroller when the operator depresses the ON OFF key for 3 seconds The T transistor key is used for switching mains supply off in the course of the accumulator battery test The controller U1 initiates fast charge of accumulator battery each time the pump is connected to the mains Detecting a negative battery voltage slope which occurs when charge is completed normally terminates fast charge For safety reasons termination of the fast charge 1s provided by means of the thermistor within the battery pack detecting over temperature Additionally termination of fast charge is provided on elapsing of established fast charge time After termination of fast charge the controller switches to trickle charge mode A socket is loca
17. recurs replace software Replace software Power off then on If failure code recurs replace software Replace Electronic board Replace Electronic board Power off then on If failure code recurs replace software Power off then on If failure code recurs replace software Power off then on If failure code recurs replace software Set x ml near EOI value Set x min near EOI value Set basal rate limit Set KVO rate Select infusion mode Set residual volume Set restart count after occlusion Set purge volume limit Set purge rate for 10 ml syringe Set purge rate for 20 ml syringe Set purge rate for 30 ml syringe Set purge rate for 50 ml syringe Set purge rate for 100 ml syringe Set purge rate for 5 ml syringe Set bolus volume limit Set max bolus rate for 10 ml syringe Set max bolus rate for 20 ml syringe Set max bolus rate for 30 ml syringe Set max bolus rate for 50 ml syringe Set max bolus rate for 100 ml syringe Set max bolus rate for 5 ml syringe Power off then on If failure code recurs replace software Power off then on If failure code recurs replace software Power off then on If failure code recurs replace software Power off then on If failure code recurs replace software Power off then on Set default parameters If failure code recurs replace Electronic board if necessary Replace software Check log if necessary replace software 7 REPAIR Ensure the u
18. which COM port is going to be used Click on En Load configuration Set in order to load program Click on Firmware key to start the programming operation Note When the ERROR OTHOI message is displayed set DEFAULT PARAMETERS Having loaded new program it 1s necessary to execute full testing see Section 4 4 1 4 2 2 Loading Bootstrap In order to perform a programming operation the following should be in place Flo Gard GSP Firmware Upload Utility should be installed and configured on the computer that 1s being used Having opened the pump housing Bootstrap Loader Unit should be connected to the Electronic board connector JP6 Bootstrap Loader Unit switch should be in ON position RS232 extension cable connected between the COM port of the computer and the 9 way D connector in the rear of the pump Switch on the pump Press the Reset key on the Bootstrap Loader Unit The pump is now ready to download a Bootstrap Programming sequence Start Flo Gard GSP Firmware Upload Utility application by clicking on the appropriate icon Select which COM port is going to be used Click on Gal Load configuration Set in order to load Bootstrap Click on Bootloader key to start the programming operation After Bootstrap downloading process is completed it is necessary to switch Bootstrap Loader Unit switch into OFF position and to press the Reset key 4 3 CALIBRATION Select the CALIBRATION from the Service menu an
19. 1 O 43 B8178015 Batterycompartmentlid 45 V6300310 Silicon gasket length 12m 1 46 51152 0 CapRS32 j 1 _ AT V5511153 CapI2VDC amp Numecall 1 48 V6300312 Silicon gasket length 0 2m 1 49 ___ 81000051 ISO 1207 M3x12 2 So ___ 1001060 504527066 1 5I 15555023 Serewkit FCN770 A07 21 52 L5555022 Retaining clips with screw Kit IKTOO06 1 UY UY UY Y ph B1000059 Screw ISO 1580 M3x25 B1000057 Screw ISO 1580 M3x20 Flo gard GSP Service Manual 57 2 l 1 ____60 ____ 81000062 ____ Screw 1807045 0 _____66 ____ 81000013 ____ Screw ISO 7045 M3x16 _________ ____68 ____ 81000121 ____ Screw ISO 7046 M3x10 2 _____69 ____ 81000043 ____ Screw ISO 7045 M3x8 0 l 5 TI 78 79 81 82 77 B8947008 Washer J 78 V8947015 __ Washer ISO 7089 232 7 79 115580040 Standoff TCBN TI M367 1 81 B1002220 __ Washer DIN6798 A32Fst 0 02 82 B89470322 WasherG12 18 thickness03 90 1881801277 J Label RS2322 96 V8180082 __ Label electrostatic _ Flo gard GSP Service Manual 58 9 2 FRONT CASE ASSEMBLY 9 2 1 Syringe barrel sensor 9 2 2 Encoder Unit Flo gard GSP Service Manual 59 9 2 3 Motor Unit 9 2 4 Motor belt IS m IE
20. 28 Voltage directly proportional to force acting on the syringe pusher is applied to the AN2 input pin 29 Force sensor reference voltage is applied to the AN3 input 30 pin Syringe retainer output voltage see table 1 is applied to the input AN4 pin 31 Voltage from piezo transducer current monitor is applied to the input ANS pin 32 The P2 12 output is used for controlling force sensor s supply Controlling pulse modulating the current through the LEDs of the drive engaged gripper and pusher lever sensors via the P2 13 output pin 62 receiving signal of engagement of drive half nuts with lead screw 1 pulses via the P5 13 input pin 42 via the buffer U20 receiving signal that syringe barrel 1s fitted level via the P5 12 input 41 via the buffer UAE receiving tachometer pulses from the Drive Unit board via the P2 15 input pin 64 Prior to starting motor rotating backwards and during it microcontroller sets the P2 11 output pin 60 to 0 to disable motor direction sensor in the Drive Unit board during normal infusion this output is set to 1 Generating signals for the stepper motor controller driver which is located in the Drive Unit board Data A via the P2 6 output pin 53 Data B via the P2 7 pin 54 Strobe A B via the P2 8 pin 57 Clock A B via the P2 9 pin 58 Signal controlling magnitude of motor winding current is generated at the POUTO output pin 19 by means of PWM AC com
21. 53 0 1 206 5568 Tel 30 0 1 9959 818 Fax 353 0 1 206 5555 Fax 30 0 1 9959 820 Northern Ireland Tel 01232 777 800 tay Baxter S p a Baxter SA de CV Via Lorenzini 4 Av Javier Rojo Gomez 709 20139 Milano Col Guadelupe del Moral CP ITALY 09000 MEXICO D F Tel 39 2 89 52 71 Tel 52 56 94 05 20 Fax 52 56 94 04 53 Netherlands Norway Baxter BV Baxter A S Koblatweg 49 Box 70 Grefsen 3542 CE Utrecht 0490 Oslo THE NETHERLANDS Gjerdrumsvei 11 Tel 31 0 30 2488 771 NORWAY Fax 31 0 30 2488 795 Tel 47 0 2 258 4800 Fax 47 0 2 258 4801 Panama Peru Baxter de Panama Laboratorios Baxter del Peru SA Calle 55 Obarrio Las Camelias 780 Segundo piso Edificio Plaza Obarrio Lima 27 Primer Piso Suite 105 PERU Panama Tel 51 1 2217170 REPUBLIC OF PANAMA Fax 51 1 4217275 Tel 507 264 6010 or 6013 Fax 507 264 6027 Portugal PuertoRico 00 Baxter Medico Farmaceutica Lda Baxter Sales amp Distribution Urbanizacao Industrial Cabrafiga State Road 24 Estrada Nacional 249 4 Lote 3 Rexco Industrial Park Cabrafiga Buchanan 2735 Rio De Mouro PORTUGAL Tel 351 0 1 915 8180 Fax 351 0 1 915 8209 Guaynabo PUERTO RICO 00968 Tel 787 792 5757 Flo gard GSP Service Manual 6 Singapore 77 South Korea Baxter Healthcare Asia Pte Ltd singapore Technical Services 159 Sin Ming Road 02 01 02 03 Amtech Building SINGAPORE 575625 Tel 65 4553911 Fax 65 4553963 Baxter S A Poligno Industrial Vara d
22. 55022 Secure RS232 connector Nut S4 5 FCN770 A07 L5555023 rp unit Secure switching power Screw ISO 7046 M3x16 B1000125 ppm supply 2 Nut ISO 4032 M3 B1001030 4 50cNm Secure power supply unit Nut ISO 4032 M6 B1001060 1 INm grounding wire Flo gard GSP Service Manual A Final Assembly Stage Description Component Description Part No Qty Established Process Torque Secure battery Screw ISO 7049 ST2 9x9 5 F Z B1000219 2 40cNm compartment lid Secure Front Case to Rear Screw ISO7045 M4x10 B1000062 ESL case Flo gard GSP Service Manual 42 8 1 ELECTRICAL BLOCK DIAGRAM OF THE PUMP 8 ELECTRICAL SCHEMATIC DIAGRAMS COMPONENT LOCATION DIAGRAMS Joonpsue 079 A IR C amp G yun 3 AI IQ JOSUSS JOSU9S 5 IVA JALIP 2904935 mr e s NOUTHM JI SOD U JEAA 5 IO Duoo nam TET SU jse 1juo2 T is 31tuo 1 29 T IOSUIS uonisod 0553301 Josuas 105195 33 19 ISULIAS A ddns IONE 103 e n 59 1 405195 ISULI S JOSUIS IZIS ISULIAG 43 Flo gard GSP Service Manual 8 2 ELECTRICAL SCHEMATIC DIAGRAM OF THE PUMP 2 TICOS P Lieq ISULIAS Soporq JOSUIS 1243 I9t snq 4105195 1810 s osuos 5
23. I C52 0 01uF VCC 47 ELECTRONIC BOARD SCHEMATIC DIAGRAM CONTINUED DIA 301 DI A 2 99A Odd BE ES Jul 9 TUI A HA L 0202 TIO DDA 149 an qui L IR ES DDA cai d SN ODA 62155 OLL ATS 894 Joonpsuel a cISSH 6n AND ETES an XVIN AUT 6TO 05 HE I 6 vc ES 919 194 Ic LLO NOV SIOSUSS I ur poro Fe os sar suns anu 6 e MELLE cISSH 000 oza miroo S 8 VLL LSA A 68 paspsuq 860 OP C 7225204 t 899 699 9I 0 24 er 0 22407 I PL anov O qUU2 2040 m Ji po REE m ae cca o PADMIPDE c ac 09 REESE EE gt lt 4 muro E ra Sel 91 21809 91 11809 7 EL CL ee d qUIO 01 IL A01 01 pisos 9A PA SU R A ea RX Ia RANGA E EURE PU AUT MOI 099 DIA osu 09 09 301 eu ra TA TL OL SN OOA SN OOA SN OOA age gt sN O0A 01 8 97 cca 6 MIO 66 gt Ica SLO 9 kada E MEE UV ATIVND ATA V 092 TE SE V 4201 C 2 4045 Tiro s LO ODA 105095 Leg MIS 9TA ara b z 01 4 TI I lt antro ALS Eg Sdf STI DOA ACC ISA N 401 TSA LASA 5 Au ESA ASNAS H 955 am AR d DOA 199 4101 Td ro
24. IO El EA L fl o ALN O Idf Idf TI Da DOA 50 Flo gard GSP Service Manual 3 4 ELECTRONIC BOARD COMPONENT LOCATION DIAGRAM to 699 290 tro HH LO OldL M s 941 2 ile TAN red 9IGSIGFIGCTIL ZT uo Am zza Esco TE HE nip MEI LED za Cl 199 1 E 20 r iP Hz feces wach ls n sou ui Ol om E PS TLO ceu E ae Ossa M O Olea OF a i Eo OLI 995 330 9NSEOZNTA STOZ SOHLLTV 51 Flo gard GSP Service Manual 8 5 DRIVE UNIT BOARD SCHEMATIC DIAGRAM Ela m o a Eg 7 m SlalBlala S 13 2 5l2 2 2 2 2 5 2 e alalalal lt lt lt E x m E lt E gt 9 eei AQ lt Elo gt Q o 1 9 izle lt a gt 2 gt 5 e Z gt gt AJA Alaj S e nie E E Ola 5 FORCE REF 0 FORCE SENS OUT 1 5V FORCE REF MMMM n SNA 9 1219 5 F 8 ZII vo L mL FEREZEELKIEBELLZIBSMLEIEEIKLENE SN99A SENSORS MOD RETAINER DRIVE ENGAGED FORCE SENS OUT 2 AIS ATS ETA VNOTO 2 4 Il VERLLS as PIAS SNOOA 109 al yI 4 z
25. N ES 17 1 18 2 19 3 96 4 95 5 iok ml 7 52 19 54 21 72 22 86 24 42 25 61 10 63 12 64 13 Vref 67 16 0 1 uF 23 140 77 141 137 138 C 0 0 R38 390 Ql 3 686400MHz mS C34 22pF A 2 3 4 Flo gard GSP Service Manual 8 3 ELECTRONIC BOARD SCHEMATIC DIAGRAM POUTO POUTI POUT2 POUT3 P7 4 7 5 7 6 P7 7 VAREF VAGND RSTIN RSTOUT XTAL2 XTALI 38 luF VCC C37 22pF T6OUT CAPIN T3OUT T3EUD T4IN T3IN T2IN MRST P3 18 45 55 71 83 94 110 127 139 143 C50 C44 0 01uF 0 011 0 01uF L3 VCC AM29F800 3 25 2 D S dicci S CE se Ee EO Pe A EE 38 21 6 P nasse ere gt 3 III Ll 5 F E T D m O TC 2 7 PA o E 34 D T ph 36 so n gt E 5 115 14114 41 3 15 E I Bi i E 2 Ms 48 18 S ry 1 120 3 28 gt gt gt gt gt 4A NPN N APN UA E PP PPP 7 1128 9 8 1129 10 130 11 131 12 gt Ro wj 9 aj ON gt CA ne J 4 A nN Re AJ ne oo w o gt gt gt gt gt gt N 9 N N NI NIN lu N ER N A 92 AJ vw N N SJ ISR gU C54 0 01uF AT25640 EEP 8 CS ROM Vec 3 SO HOLD 7 WP SCK GND U14 S
26. ORRECTIVE ACTION Communications with the battery fuel gauge Inspect cables between Battery BTOI has failed Monitoring Drive Unit board and Electronic board 1 05V per cell replace Battery Unit BTO3 The battery cell voltage is high greater than Check battery charge circuit and 1 75V per cell replace power supply unit if necessary The battery temperature is high greater than Check battery charge circuit and replace power supply unit if necessary The battery charging current 1s high greater Check battery charge circuit and than 1 5A replace power supply unit if necessary The battery discharging current is high Disconnect one by one all the greater than 1 5A connectors find current leakage place and replace faulty unit The battery charging current 1s low less Inspect cables between battery than 50mA Monitoring and Power Supply Unit Check battery charge circuit and replace Power Supply Unit if necessary The battery fast charge time is longer then 3 Check battery charge circuit and hours 30 minutes replace Power Supply Unit if necessary The battery is discharging whilst the pump is Inspect cables between battery on the mains Monitoring and Power Supply Unit Check battery charge circuit and replace Power Supply Unit if necessary BT10 The battery monitor software module has Power off then on If failure code failed recurs replace software Incorrect CRC of the battery capacity C
27. alibrate the battery RTOI Accuracy of the real time clock or Replace SRAM on the Electronic microcontroller quartz clock 1 out of spec board 11 RTO2 Real time clock software module has failed Power off then on If failure code recurs replace software RTO3 Incorrect date and time settings Set date and time BT04 BTOS 06 BTOS BT09 Replace Electronic board minutes KY02 Power off then on If failure code recurs replace software D01 W D circuit failed Replace Electronic board W D circuit failed Replace Electronic board WD03 W D circuit failed Replace Electronic board or Drive Q O N Flo gard GSP Service Manual 28 00 0 0 WD04 W D circuit failed Replace Electronic board or Drive 205 Power off then on If failure code recurs replace Electronic board D06 W D circuit failed Power off then on If failure code recurs replace Electronic board Power off then on If failure code recurs replace software or Electronic board DOS Power off then on If failure code recurs replace software D09 Power off then on If failure code recurs replace software 207 Watch Dog circuit activated EE01 Cannot read data from external EEPROM Replace Electronic board 2 Cannot write data to external EEPROM Replace Electronic board EEO3 External EEPROM software module has Power off then on If failure code failed recurs replace software
28. amage the exterior surface of the pump Do not steam autoclave ethylene oxide sterilize or immerse this pump in any fluid Check Labels should be flat and legible Replace as required Case components must be checked for damage that may affect function present fluid ingress routes and present a user hazard must be replaced as necessary Check the operation of the pole clamp screw Check it is not loose and that the threads are not damaged Check that it folds away correctly Inspect the AC power supply inlet and cable for sings of damage Flo gard GSP Service Manual 22 5 3 BATTERY TEST Perform battery calibration in accordance with 4 3 4 When calibration is completed and the battery 1s fully charged at least 2 hours 30 minutes on charge disconnect the pump from the mains Load 50 ml BD Plastipak or 60ml BD syringe with the plunger at 60 0 ml position on the syringe barrel scale Set the 5 0 ml h rate and start infusion see the Operator s Manual for further information on starting the pump Normally pump should be able to work on battery for about 10 hours If this time is significantly less battery should be replaced After completion of the test the pump should be recharged for a minimum of 2 hours 30 minutes 5 4 INFUSION RATE CHECK Equipment Stop watch graduated glass test tube one point equals to 0 1 ml volume 60ml or more Take the BD Plastipak 50 ml or 60 ml BD syringe with extension set and fill it with di
29. artment lid 43 disconnect the battery unit cable and withdraw the battery unit 42 Remove the six case retaining screws 60 located on the back of the pump Turn the pump upside down Carefully separate the front and rear case halves and disconnect the power supply to the Electronic board cable the piezotransducer cable the RS232 cable and IrDA cable It may be necessary to remove some of the connectors by applying gentle force to the cable Reassemble the pump in the reverse order When reassembling ensure that the seal 45 under the battery compartment lid 43 and the seal 45 between the front and rear cases are correctly positioned 7 2 FRONT CASE AND SUB ASSEMBLIES 7 2 1 Removal instructions 7 2 1 1 Syringe barrel sensor cover removal It 1s not necessary to disassemble the pump in order to replace syringe barrel sensor cover 28 Use a knife to find the edge of the syringe barrel sensor cover 28 and carefully peel it back 7 2 1 2 Keypads removal Detach the flexi cables of the keypad K1 25 K2 26 from the Electronic board 23 Carefully access the edge of the keypad peel it back Flo gard GSP Service Manual 33 7 2 1 3 SRAM removal In order to remove SRAM 24 from the Electronic board 23 carefully insert a small screwdriver under the SRAM 24 case at alternate edges and lift free 7 2 1 4 Electronic board and display unit removal Remove the five retaining screws 61 and disconnect all flexi cables and cabl
30. d press the OK softkey Select item to be calibrated using the softkeys and press the OK softkey 4 3 1 Syringe size sensor calibration The syringe size detection system stores the characteristics of the syringe clamp assembly including the travel of the linear potentiometer in non volatile memory Equipment Flo gard GSP Service Manual 17 Spacer gauge SPI B8640037 01 or old B8640022 01 Spacer gauge SP2 B8640037 02 or old B8640022 02 Spacer gauge SP3 B8640037 03 or old B8640022 03 Spacer gauge 5 4 B8640023 Select the Syringe size sensor from calibration menu and press the OK softkey With the syringe clamp at the lowermost position press the OK softkey One after another insert spacers from 1 to 4 each time closing the syringe clamp and pressing the OK softkey to acknowledge Finally fix the syringe clamp at the uppermost position and again press the OK softkey 4 3 2 Pusher position sensor calibration Equipment Calibration spacer gauge SP1 B8640037 01 or old B8640022 01 Select the Pusher position sensor from calibration menu and press the OK softkey When display reads the message Insert spacer SPI insert the spacer SPI and slide the drive pusher to the spacer SPI Press the OK softkey Syringe pusher moves backwards and afterwards returns to the spacer SPI Following question will be indicated on display Is pusher contacting the spacer If pusher is not contacting the spacer press the NO
31. d the rear case is correctly positioned Fit the battery compartment lid 43 and secure with the two screws 61 Perform battery calibration procedure in accordance with the 4 3 4 7 4 Torque guide The following list outlines the torque levels established during product manufacture NOTE These values are for the first insertion of screws and fasteners When selecting a torque for servicing activity be aware that refastening will require slightly less torque than the initial manufacture Over tightening of screws and fasteners can cause damage The manufacturer cannot be held responsible for such damage caused Flo gard GSP Service Manual 40 Front Case Assembly Stage Description Component Description Part No Qty Established Process Torque SerewISO7045M3x6 1000041 1 S0cNm 50650 1580 3 25 BI000059 2 306cNm Screw ISO 7049 ST2 9x13 F Z B1000220 2 40cNm Seewl 07045 M3xl6 B1000013 1 50cCNm o Nut O40322M3 BI001030 2 50cNm Secure encoder ____ Screw ISO7045M2x8 1000012 1 40cNm EL sensors unit Screw ISO7049 ST2 9x9 5 F Z B1000219 40cNm B6660032 Screw ISO 7045 M3x8 B1000043 1 40cNm __ Nut ISO 4032 M3 B1001030 Screw ISO7049 ST2 9x9 5 F Z B1000219 Rear Case Assembly Stage Description Component Description Part No Qty Established Process Torque Secure power supply unit Screw ISO7049 ST2 9x9 5 F Z B1000219 6 40cNm Nut SS 1KT0006 L55
32. damage 24 6 3 Pump has been exposed to fluids 24 6 4 Trouble shooting by fault symptom 25 6 5 Trouble shooting by failures 28 Flo gard GSP Service Manual 2 7 REPAIR EROICA CO Ld 33 TL ACCESS OH ara 33 7 2 Front Case and Sub assemblies 33 7 3 Rear Case and Sub assemblies 49 Ik EET 40 8 ELECTRICAL SCHEMATIC DIAGRAMS COMPONENT LOCATION DIAGRAMS 43 8 1 Electrical Block Diagram of the 43 8 2 Electrical Schematic Diagram of the Pump 44 8 3 Electronic Board Schematic Diagram 47 8 4 Electronic Board Component Location Diagram 51 8 5 Drive Unit Board Schematic Diagram 32 8 6 Drive Unit Board Component Location Diagram 53 8 7 Power Supply Unit Schematic Diagram 54 8 8 Power Supply Unit Component Location Diagram 55 8 9 Battery Monitoring Unit Component Location Diagram 56 9 MECHANICAL ASSEMBLY DRAWINGS AND PART LIST 9 Part List 9 2 Front Case 59 9 3 Rear Case Assembly heal 71 94 Ma AS 75 10 SPARE PARTS LISTING
33. date Follow each stage test and follow the instructions on the display use the QUIT softkey to move to the other test 4 4 2 Program testing This test is intended to calculate program and bootstrap CRC Select the Program from testing menu and press the OK softkey Software version bootstrap version and calculated CRC values are indicated in the display Press the QUIT softkey to return to TESTING menu 4 4 3 Drive sensors test This test enables checking of the following sensors syringe barrel plunger grippers push lever and drive disengaged Select Drive Sensors from the testing menu and press the OK softkey Loading and removing the syringe will cause the sensors status to changes indicated on the pump display Drive engagement sensor can not be activated if nut and lead screw threads come tooth on tooth In such case slide the syringe pusher to another position and repeat the checking Once complete press the QUIT softkey to return to TESTING menu 4 4 4 Syringe size sensor test This test is enables checking the operation of syringe size sensor Select Syringe size sensor from the testing menu and press the OK softkey Slowly lift the syringe clamp Check if syringe size sensor value changes mV and mm Having finished testing press the QUIT softkey to return to TESTING menu 4 4 5 Pusher position sensor test This test is enables checking the operation of pusher position sensor Select Pusher position sensor from the t
34. e Quart Calle Dels Gremis 7 46014 Valencia SPAIN Tel 34 0 96 386 0800 Fax 34 0 96 3702 697 Baxter International 4 5 F Jinsung Bldg 996 17 Daechi dong Kangnam ku Seoul KOREA Tel 82 2 5607 184 Fax 82 2 538 0679 Baxter Medical AB PO Box 63 SE 164 94 KISTA Torshamnsgatan 35 Sverige Tel 46 0 8 632 6400 Switzerland UK Baxter AG Muellerenstrasse 3 CH 8604 Volketswil SWITZERLAND Tel 0041 19085050 Baxter Healthcare Limited UK Nat Distribution Centre Salthouse Road Brackmills Industrial Estate Northampton ENGLAND NN4 QUF Tel 44 0 1604 704555 Fax 44 0 1604 704590 Venezuela pp Urb Industrial Castillito Centro Comercial Valencia II Valencia Edo Carabobo VENEZUELA Tel 58 2 204 42 68 Flo gard GSP Service Manual 2 TECHNICAL DESCRIPTION 2 1 GENERAL The Block Diagram of the pump is given in the section 8 1 The Electrical Schematic Diagram is given in the section 8 2 The pump is composed of the following elements Keypads Stepper motor Stepper motor encoder Syringe Force sensor Syringe plunger grippers and pusher lever sensor Drive engagement sensor Syringe size sensor Pusher position sensor Syringe barrel sensor Battery unit Electronic board Drive Unit board Power Supply Unit IRDA RS232 Nurse Call Interface Hard bootstrap loader Below follows a description of these elements refer the appropriate diagram for full und
35. e connections Carefully withdraw the Electronic board 23 with display unit 22 from the front case Using pincer squeeze one by one all four standoff 79 snap locks and detach display unit 22 from the Electronic board 23 Disconnect the display unit 22 cables If necessary loosen the screws 64 and withdraw standoffs 79 from display unit 22 Ensure that the display panel and case panel remain protected from dust and scratches until the display is refitted Having removed the Electronic board 23 it is possible to remove and replace the red LED D1 green LED D2 yellow LED D3 or buzzer Z1 as required 7 2 1 5 Syringe clamp removal It is not necessary to disassemble the pump in order to replace the syringe clamp Lift the syringe clamp 20 to the upper position and hold it in this position Unscrew the syringe clamp screw 59 and remove the syringe clamp 20 7 2 1 6 Syringe size sensor removal Remove the syringe clamp Disconnect the syringe size sensor 19 cable Remove the syringe sensor retainer screws 62 and carefully withdraw the syringe size sensor 19 7 2 1 7 Drive Unit board removal Disconnect the Drive Unit s board flexi cable and cable connections Remove the retaining screws 63 64 Carefully withdraw the Drive Unit board 17 from the front case 7 2 1 8 Syringe pusher drive removal Slide the syringe pusher to the right approx 20mm from the extreme right position to gain access to the drive fastenin
36. e has failed LOGI Software Log module has failed LOG2 Cannot read log from flash LOG3 Cannot write log to flash EVOI Software Event module has failed LCDO1 LCD display software module has failed LCDO2 Software graph plotting on display module has failed EOI0I Incorrect x ml near EOI settings BROI Incorrect basal rate limit EOIO2 Incorrect x min near EOI settings KOROI Incorrect KVO rate MODO Incorrect infusion mode settings RESO Incorrect residual volume OCLO1 Incorrect restart count of after occlusion PUROI Incorrect purge volume limit PURO2 3 Incorrect purge rate for 10 ml syringe PURO Incorrect purge rate for 20 ml syringe PURO4 Incorrect purge rate for 30 ml syringe PUROS Incorrect purge rate for 50 ml syringe PUROO Incorrect purge rate for 100 ml syringe 7 PURO Incorrect purge rate for 5 ml syringe BOLOI Incorrect bolus volume limit Incorrect bolus volume limit BOL03 BOL04 BOLOS BOLOO Incorrect max bolus rate for 100 ml syringe BOLO 7 Incorrect max bolus rate for 5 ml syringe TROI Internal microcontroller TRAP activated TRO2 Internal microcontroller TRAP activated TRO3 Internal microcontroller TRAP activated TRO4 Internal microcontroller TRAP activated Incorrect drug name or pump ID in EEPROM IDO1 IF0I Pump software not compatible with hardware revision OTHO Other failures Flo gard GSP Service Manual 32
37. electrical shock hazard exists 1f the pump casing 1s opened or removed efer all servicing to qualified service personnel This pump is protected against the effects of high energy radio frequency emissions and is designed to fail safe if extremely high levels of interference are encountered Should false alarm condition be encountered either remove the source of the Interference or regulate the infusion by another appropriate means f the pump is dropped subjected to excessive moisture humidity or temperature or otherwise suspected to have been damaged remove it from service for inspection by a qualified service engineer Flo gard GSP Service Manual 4 1 3 SERVICE CONTACTS Baxter Technical Service Centre locations and full addresses Argentina Baxter Immuno SA Av Olivos 4140 Tortuguitas C P 1667 ARGENTINA Tel 54 11 4463 3333 Baxter Healthcare Pty Ltd Baxter Drive Old Toongabbie New South Wales 2146 AUSTRALIA Tel 61 2 8845 1560 Austria Baxter Immuno Vertriebs GmbH IZ Sued Strasse 7 Obj 58D Tops2 2355 Wiener Neudorf AUSTRIA Tel 43 0 1 711 20 138 Fax 43 0 1 711 20 157 Belgium N V Baxter S A Boulevard R Branquart 80 B 7860 Lessines BELGIUM Tel 32 0 68 27 30 54 Brazil Camada Baxter Hospitalar Ltda Avenida Santa Catarina 2660 04378 200 Sao Paulo SP BRAZIL Tel 55 11 541 8922 x5250 Fax 55 11 5563 7933
38. en C I ION 077 nic Sdf pecu e ce ee 22 Flo gard GSP Service Manual 8 6 DRIVE UNIT BOARD COMPONENT LOCATION DIAGRAM CO Se Daun oo co prn x x 919 rm 2 ER A E OU E e eo 5 I En A E E x i Ote LII cea x E m _ EBEH pE gt 28 gm p rrom EN Garg Ico A N JP1 R30 Ti CO un Flo gard GSP Service Manual 53 8 7 POWER SUPPLY UNIT SCHEMATIC DIAGRAM Tm VC du TTI Gl 10 0 lt pompe II Isar 3 du ON TIO SUN BEE SEE a o EL AAA EPA 919 as 40 SOC Sn 8 Pel sa et ee NZ LO qu VO ES mj 7 os E sa so wo so L L 9df SSS peel 9 COND 001 503 NE a E sau A AUS ae ol z gt men 0 Fa wart ea EXE era er CIE d as pa ala Ms ea eae 01 01 BME 62 89 E fa EET OLOGIN I ro 001 sol o Ila e fu I 8 i ALS OLA 6L3 IZA t 011 6L N sea E oq NOI Leu lt 11 RII ER
39. erstanding of the functionality 2 1 1 Keypads Keypad K1 comprises of a 4 x 3 key matrix connected to the Electronic board at connector 1 1 The ON OFF key and BATTERY amp MAINS LED s are also located on the K1 keypad connect to the Electronic board via JP12 Keypad K2 comprises of a 4 x 2 key matrix It is connected to the Electronic board via connector 2 1 2 Stepper motor A two phase unipolar stepper motor with 7 5 step angle is used in the pump drive The motor is connected to the Drive Unit board via connector P5 and is driven in micro stepping mode There are 48 steps to complete one full revolution of the motor shaft The motor is connected to the lead screw by means of timing belt The belt ratio 1s 5 1 as a result 240 motor steps move the drive carriage by 1 mm 2 1 3 Stepper motor encoder Motor speed and direction is monitored by means of the encoder It is composed of two photo interrupters D1 D2 and a 9 slot encoding disk mounted on the stepper motor shaft Quadrature signals Tax1 Tax2 are transferred to the Drive Unit board via P6 connector Flo gard GSP Service Manual 9 2 1 4 Syringe force sensor As a syringe force sensor is used a strain gauge TZ mounted on a steel plate within the plunger retaining mechanism When this plate 1s deflected by applied force on the plunger mechanism a differential voltage is generated at gauge output This signal which magnitude is proportional to the applied force
40. esting menu and press the OK softkey Insert the spacer SPland slide the drive pusher to the spacer SP1 Press the OK key Syringe pusher moves backwards and afterwards returns to the spacer SPI Pusher position distance 22 0 5 mm should be indicated on the display Having finished testing press the QUIT softkey to return to TESTING menu 4 4 6 Motor test This test enables checking of the motor operation During test no syringe should be installed Select Motor from the testing menu and press the OK softkey Having finished testing press the QUIT softkey to return to TESTING menu Flo gard GSP Service Manual 20 4 4 7 Display test This test checks that all of the display pixels 240x064 illuminate Select Display from testing menu and press the OK softkey Observe chess board structure fields that appear in the display All the rectangles should be same shaped and evenly filled Having finished testing press the QUIT softkey to return to TESTING menu 4 4 8 Nurse call test Equipment Nurse call cable B6650012 Ohmmeter This test checks the nurse call circuit operation Select Nurse call from testing menu and press the OK softkey Using a meter check the circuit between the Nurse call contact 3 com and contacts 1 NO 5 NC The contacts should toggle each time the CHANGE softkey 1s pressed as indicated on the display Press the QUIT softkey to return to TESTING menu 4 4 9 Piezotransducer speaker buzzer test
41. g antibolus pusher position travel has Power off then on If failure code exceeded the limit recurs replace software If the ABOI During antibolus motor has exceeded the Power off then on If failure code step count limit recurs replace software If the problem persists replace Electronic board if necessary Antibolus duration has exceeded the limit Power off then on If failure code recurs replace software If the problem persists replace Electronic board if necessary PSO2 Pusher drive travel deviated from expected Check pusher position sensor and position based upon motor control replace encoder ruler or sensors unit B6660032 if necessary PS03 Incorrect CRC of the pusher position table Calibrate pusher position sensor 504 Pusher position sensor readings out of range Calibrate pusher position and syringe for the inserted syringe size sensors If the problem persists check and replace encoder ruler sensors unit B6660032 or syringe size sensor if necessary Pusher position sensor has failed Check pusher position sensor and replace encoder ruler or sensors unit B6660032 if necessary PS06 Invalid pusher position codes Check pusher position sensor and di replace encoder ruler or sensors unit B6660032 if necessary 1001 Input output software module has failed Power off then on If failure code recurs replace software SSOI Syringe size sensor readings out of range Calibrate syri
42. g screws 57 61 Remove the four retaining screws 55 56 Carefully withdraw the syringe pusher drive 15 and the shaft 18 Carefully withdraw the plastic screen 16 7 2 1 9 Syringe pusher removal Disconnect flexi cables Remove syringe pusher 12 from the stops 13 by pushing it to the left Remove stops 13 from the tube using a screwdriver Remove syringe pusher 12 Flo gard GSP Service Manual 34 7 2 1 10 Syringe support removal Remove the two retaining screws 49 Remove the syringe support 11 7 2 1 11 Drive removal Remove the syringe pusher drive syringe pusher and syringe support Remove the ring 9 Disconnect the Drive Unit board 17 cables from Electronic board 23 Remove the three retaining screws 57 61 Carefully withdraw the drive 10 from the front case 7 2 1 12 Encoder ruler removal Remove the drive Remove the retaining screw 67 and nut 58 Remove the encoder ruler 7 7 2 1 13 Sensors unit B6660032 removal Remove the drive Remove the encoder ruler Disconnect the sensors unit B6660032 8 cable from Drive Unit board 17 Remove the retaining screw 61 Remove the sensors unit B6660032 8 7 2 1 14 Motor belt removal Remove the drive Remove the screw 66 and nut 70 Loosen the screw 63 and nut 70 In order to loosen the motor timing belt rotate motor unit 5 relative to the screw 63 Pull off timing belt 6 from the bigger pulley Rotate motor unit 5 relative to the screw 63 t
43. he battery pack lid to ensure a stable pack environment during calibration It 1s recommended that the pack is removed from the battery compartment and placed behind the pump Connect the pump to the mains Extend the plunger drive arm to the maximum as it will automatically move during the discharge phase Select the Battery from calibration menu and press the OK softkey Leave pump in calibration mode for up to 14 hours The cycle should run passing automatically three phases one by one e Initial charge phase 0 to 3 hours e Measured discharge phase Pack is discharged using typical load down to 1 1 V per cell to determine how much charge is available from the pack up to 10 hours e Final charge phase Pack is fully recharged ready for use Early in this phase the measured discharge value is transferred to the pack gas gauge to be stored as the new capacity mAh While the calibration cycle is active the battery related information is displayed on the pump screen At the end of the cycle the screen should show CALIBRATION COMPLETED Press the QUIT softkey to exit Flo gard GSP Service Manual 19 4 4 TESTING Select the TESTING from the Service menu and press the OK softkey Select the item to be tested using the softkeys and press the OK softkey 4 4 1 Full testing This section provides a complete pump test procedure During test it is possible to review and modify following parameters language date time next service
44. ines audio gain R77 monitors current applied on the piezotransducer Signal from the R77 is amplified by the U18A amplifier rectified with the D21 C86 and applied to the ANS input pin 32 of the 012 microcontroller 2 2 7 Reference voltage source Voltage regulator U7 generates voltage Vref used as reference for the microcontroller s ADC and the syringe size sensor U7 is switched on off by microcontroller via the P6 6 output 2 2 8 LED indicators The red LED indicator D1 flashes when an ALARM condition is detected or when the watchdog circuit is activated It is controlled by the microcontroller U12 via the P2 2 output pin 49 or by the watchdog via the D4 The Green LED D2 flashes during infusion It is controlled via the P2 3 output pin 50 of the microcontroller The orange LED D3 flashes in ALERT condition It is controlled via the P2 1 output pin 48 2 3 DRIVE UNIT BOARD The drive electronics 1s located on the separate PCB attached to drive mechanical assembly Controller driver U2 1s used to operate the stepper motor It controls current through motor windings by means of the PWM using control signals from the microcontroller Data A pin 6 of the U2 Data B pin 17 Strobe A B pins 2 13 Clock A B pins 5 16 REF ENABLE A B pins 3 14 Each step of the motor consists of 8 successive micro steps which provide regulation of current through windings closely to sin cos law thus ensuring smooth rotatio
45. n 1s comprised of a steel encoder ruler and photo interrupter D7 Ruler is attached to the drive walls and the photo interrupter 15 mounted on the drive carriage and moves along ruler during infusion so that edge of the ruler is inside the gap of photo interrupter The edge of the ruler is punched with the slots distributed with various intervals in certain pattern Each slot passing the gap generates electrical pulse when the photo interrupter is moved along the ruler Microcontroller permanently monitors width of intervals in Flo gard GSP Service Manual 9 sequence of pulses and determines pusher position basing on combination of passed intervals Obviously certain number of slots should be passed after start of infusion before the pusher position and correspondingly remaining time and volume may be determined Maximum delay is when the pusher is at the rightmost position up to 9 mm of pusher travel may be required 2 1 9 Syringe barrel sensor The syringe barrel sensor comprises switch S1 When the syringe is loaded the switch S1 contacts are closed and a logic 0 is generated at pin 1 of the Electronic board s JP5 connector 2 1 10 Battery unit The battery unit comprises the Ni MH 7 2V x 2 5Ah battery together with the battery monitoring circuit The integrated circuit Ul monitors battery voltage temperature and charge discharge current This data is used to calculate battery charge state and remaining working time whe
46. n accordance with the 4 3 1 Flo gard GSP Service Manual 37 722 212 Syringe clamp installation Fit the syringe clamp 20 and secure with the screw 59 7 2 2 13 Keypad installation Using isopropyl alcohol clean the case where the keypad will be positioned ensuring all old adhesive residue 1s removed Remove the protective film from the keypad Insert the keypad K1 25 flexi cable through the appropriate case slot Align the bottom edges and corners of the keypad 25 with the recess in the case Stick the keypad K1 25 by pressing it firmly with a soft cloth starting from bottom edge working to the top Seal the keypad edges using silicon coating Insert the keypad K2 26 flexi cable through the appropriate case slot Align the keypad K2 26 with the recess in the case Stick the keypad K2 26 to the case as previously with keypad KI Seal the keypad edges using silicon coating Connect the keypad K1 K2 25 26 flexi cable to the Electronic board 23 7 2 2 14 Electronic board and Display unit installation Fix the four standoffs 79 to display unit 22 using screws 64 and washers 76 Fit the display unit 22 on the Electronic board 23 Connect all cables assemblies Remove the protective film from the display Carefully insert the Electronic board 23 with display unit 22 into the front case Fit the washers 77 75 fix the five retaining screws 61 and connect all flexi cables and cable connections to
47. n of the motor shaft In the case the watchdog is actuated a high level 5V signal is applied to the REF ENABLE A B inputs which removes power from the motor windings Quadrature signals from the motor encoder are processed by means of the decoder built on the U6 U7 and US integrated circuits 9 square pulses are generated at the TAX output pin2 of JP2 during one revolution of motor shaft The BACKWARDS output is used to indicate Flo gard GSP Service Manual 13 direction of motor rotation Logic 0 is generated at this output if motor starts rotating so as to move syringe pusher backwards while logic 1 is applied to the FWD input 1 e motor should not rotate backwards Logic 0 applied to the FWD input pin 1 of JP2 disables the direction sensor and ensures that logic 1 is set at the BACKWARDS output regardless of rotation direction The operational amplifier 01 amplifies syringe force sensor s output signal Integrated circuit U3 produces precise supply voltage 5V both for the syringe force sensor and amplifier U1 The trimmer potentiometer R2 is used to balance the force gauge bridge USA performs buffering of syringe retainer output signal and USB performs conditioning of pusher position sensor s signal 2 4 POWER SUPPLY UNIT The power supply unit includes switching power supply PS1 5V voltage regulator U2 and accumulator battery fast charge controller U1 together with transistor T4 Protective
48. n pump runs on battery Data 1s transferred to the microcontroller via 1 Wire interface pin 4 of the JP7 connector R2 is a current sense resistor and constitute a low pass filter for the current monitoring circuit Thermistor R1 terminates battery charging if battery temperature exceeds the permissible value The resettable fuse Fl protects against a short circuit of the battery 2 2 ELECTRONIC BOARD The electrical diagram of the Electronic board is given in section 8 3 It comprises following main parts Microcontroller circuit Display unit Display contrast regulator RS232 interface Watch dog circuit Piezotransducer drive Reference voltage source LED indicators 2 2 1 Microcontroller circuit The 16 bit microcontroller U12 SAB C167CR LM controls and monitors major syringe pump functions Clock pulses are generated by the quartz oscillator Q1 at a frequency of 3 686400 MHz and multiplied x 5 Supervisor integrated circuit U9 generates a reset signal for the microcontroller when the supply voltage changes from OV to Software instructions are stored in 1 Megabyte FLASH memory U10 Device constant parameters are stored in 8 kilobyte SPI EEPROM U14 Temporary variables are stored in 128 kilobyte SRAM US with real time clock and lithium battery Flo gard GSP Service Manual 10 The microcontroller functions include Scanning the keypad via the port P8 and the buffers of the U2 and U4 ICs The key
49. nge size sensor If the problem persists check syringe size sensor and replace it if necessary EEPROM Incorrect CRC of the syringe table in SRAM recurs replace SRAM SREOI Syringe gripper and push lever retainer Check syringe gripper and push lever sensors readings out of range gt 1 4V sensors and replace syringe pusher if necessary SREO2 Pusher lever or drive engaged sensors are Check push lever sensor and drive damaged engaged sensor Replace syringe pusher or drive if necessary SREO3 Syringe retainer pusher lever syringe Check push lever sensor syringe eripper or drive engaged sensors are eripper sensor and drive engaged damaged sensor Replace syringe pusher or drive if necessary SFO1 Syringe force sensor reading out of range Calibrate syringe force sensor If the problem persists Check syringe force sensor and replace syringe pusher with syringe Flo gard GSP Service Manual 30 force sensor if necessary Check syringe force sensor amplifier circuit and replace Drive Unit board if necessary SF02 Syringe force test reading out of range Calibrate syringe force sensor If the problem persists Check syringe force sensor and replace syringe pusher with syringe force sensor if necessary Check syringe force sensor amplifier circuit and replace Drive Unit board if necessary SF03 Syringe force 0 reference reading out of Calibrate syringe force sensor If the range problem persis
50. nit and its If necessary replace Display connection with the Unit Electronic board connector JP13 Flo gard GSP Service Manual 25 light when alarm occurs in the Electronic board LED D1 light when alert occurs in the Electronic board LED D3 light while pump is running D2 in the Electronic board LED D2 Second long audible alarm does not sound after power on After power up the pump display empty or horizontal lines illuminated only no backlight and watchdog activated Syringe gripper sensor does not activate when syringe is loaded Pusher lever sensor does not activate when syringe is loaded Syringe barrel sensor does not activate when syringe is loaded Drive engaged sensor does not activate when syringe is loaded Syringe size sensor does not determine syringe size Pusher position sensor calculates time to end of infusion syringe incorrectly Stepper motor is not rotating when it should Flo gard GSP Service Manual Check buzzer Z1 in the Electronic board Check for the presence of VCC of 5V on Electronic board Check if reset duration is TP4 gt 100ms Check if quartz oscillator Q1 is working Check syringe gripper retainer sensor signal see section 2 1 5 Check pusher lever retainer sensor signal see section 21 5 Check syringe barrel sensor and ts connection on the Electronic board Check drive engaged sensor and its connection with Drive
51. nit is disconnected from AC power supply and switched off before attempting to service the pump The pump contains static sensitive components Wherever the ESD symbol appears Observe strict precautions for the protection of static sensitive components when attempting to service and repair the pump Refer to section 7 4 for torque guidelines Components may fail or be damaged if not tightened to correct torque level During servicing components found to be damaged will require replacement Follow the instructions below together with the assembly drawings in section 9 for further information Battery should be disposed of as outlined by the local country regulation Do not send back to the manufacturer For additional technical assistance contact your local BAXTER Service Centre 7 1 ACCESS TO THE PUMP In order to replace any label 85 87 88 90 91 93 95 the clip 84 or the leg 83 there is no need to disassemble the pump Carefully using knife peel the old label the old clip 84 or the old leg 83 Using isopropyl alcohol clean the case where the label the clip or the leg will be positioned ensuring all old adhesive residue is removed Stick the label 85 87 88 90 91 93 95 by pressing it firmly with a soft cloth Stick the clip 84 by pressing it Stick the leg 83 by pressing it Place the pump on an anti static grounded surface Remove the versatile clamp 44 Remove the 2 battery covers screws 61 remove the battery comp
52. o the position allowing remove of the belt 6 Remove the motor belt 6 7 2 1 15 Motor unit removal Remove the drive Remove the motor belt Disconnect the motor unit 5 cable from Drive Unit board 17 Remove the screw 63 and nut 70 Remove motor unit 5 7 2 1 16 Encoder unit removal Disconnect the encoder unit 3 cable from Drive Unit board 17 Remove the screw 69 the nut 70 and remove encoder unit 3 7 2 1 17 Syringe barrel sensor removal Remove the Electronic board Remove the drive Remove the screw 61 and remove syringe barrel sensor 1 Flo gard GSP Service Manual 35 7 2 2 Installation instructions 7 2 2 1 Syringe barrel sensor fitting Fit the syringe barrel sensor 1 and secure with screw 61 Barrel sensor 1 1s adjusted as follows 1 Drive 10 syringe support 11 and syringe size sensor 19 should be fitted 2 Using multimeter check the circuit between contacts 1 and 2 of the barrel sensor s 1 connector The circuit should be open 3 Load the 5 ml BD syringe and close the syringe clamp Circuit between the contacts 1 and 2 should be short If not adjust position of the barrel sensor 1 by means of the screw 68 until required result 1s reached 4 Load the 5 ml BD syringe incorrectly so that syringe barrel lays on the syringe support 11 and close the syringe clamp Circuit between contacts 1 and 2 should be open If not adjust barrel sensor with screw 68 until the required resul
53. pad status information is read via other buffers of the U2 and U4 ICs to the inputs P5 9 pin 36 P5 10 pin 39 and P5 11 pin P40 Setting the output P2 10 pin 59 to switching the pump on This signal maintains power supply active In order to switch power off the ON OFF key shall be kept depressed thereby setting the P5 7 input pin 34 to 1 After 3 sec delay micrcontroller sets the P2 10 output pin 59 to 1 which switches the power supply off Detecting pump connection to 100 240V AC mains power or 12VDC by the signal at the P5 6 input pin 33 1 when connected At this state transistor T11 opens thereby activating the MAINS indicator on the front panel When pump is running on internal battery microcontroller activates the BATTERY indicator by setting the P2 0 output pin 47 to Obtaining information from the battery monitoring circuit on the battery voltage temperature and capacity via the input P7 6 pin 25 obtaining battery fast charge signal via the P5 14 input pin 43 0 fast charge in progress disabling the AC mains supply by setting the P7 4 output pin 23 to in the battery calibration mode Activating the Nurse Call circuit located at the Supply Unit by setting the P2 5 output pin 52 to 1 Receiving voltage proportional to syringe size from the syringe size sensor via the ANO input pin 27 Force sensor reference voltage is applied to the ANI input pin
54. ponent of this signal 1s suppressed by means of the second order low pass filter R54 C71 R56 C73 and DC component having range 0 4 to 2 5 V is transferred via the diode D23 and pin 4 of JP10 to the Drive Unit board REF ENABLE A B circuit This circuit is used also for disabling motor driver by applying 5 V to it For this sake pin 4 of JP10 is also connected with the P7 7 output of microcontroller pin 26 and output of watchdog via the D21 and D22 correspondingly logic 1 at any of these two Flo gard GSP Service Manual 11 outputs sets windings current to zero e g in STOP mode during pause between two adjacent steps or when the watchdog is activated Selecting IRDA rate via the P6 4 output pin 5 Selecting of UART connection either with the RS232 or IRDA interface via the P6 5 output pin 6 The P6 7 output is set to when RS232 selected and 0 is set when IRDA interface selected Activates ZI buzzer by setting output P6 7 to 1 when piezotransducer circuit is interrupted receiving interrupt pulses from the SRAM U8 Real Time Clock via the T2IN input pin 74 receiving pulses from the syringe pusher position sensor via T4IN input pin 70 2 2 2 Display unit A 240 x 64 dot blue negative graphic LCD display MD1 is used in the pump The backlight is controlled by means of PWM using control signal generated at the POUT2 output pin 21 of the microcontroller 2 2 3 Display contrast reg
55. r supply unit 40 from the rear case Disconnect power supply unit 40 connection from the switching power supply 41 Remove the four switching power supply 41 retaining screws 53 and nuts 70 Remove the switching power supply 41 7 3 1 2 Mains filter unit removal Detach the mains filter unit 37 connector from the switching power supply 41 Remove the retaining clips screws 52 Carefully withdraw the mains filter unit 37 from the rear case 7 3 1 3 12VDC amp Nurse call unit removal Remove the 12VDC amp Nurse call unit 35 retainer screw disconnect the 12VDC amp Nurse call unit 35 cable from power supply unit 40 and withdraw the 12VDC amp Nurse call unit 35 In order to detach strings of the RS232 connector cap 46 and 12 VDC amp Nurse call connector 47 unscrew the screw 69 with the nut 70 7 3 1 4 RS232 connector unit removal Remove the RS232 connector unit screws 51 and carefully withdraw the RS232 connector unit 34 7 3 1 5 Piezotransducer unit removal The piezotransducer 30 is glued to the rear case Using the small knife carefully remove the piezotransducer 30 from the rear case Flo gard GSP Service Manual 30 7 3 2 Fitting instructions 7 3 2 1 Piezotransducer unit installation Clean the case surface where the piezotransducer 30 should be positioned Glue the piezotransducer 30 using instant adhesive 7 3 2 2 RS232 connector unit installation Fit the RS232 connector
56. r to the position shown in the picture B Gear tooths b and should be placed so as to be in contact with a second groove of the rack bar a see Picture A Carefully insert the plastic screen 16 into the syringe pusher 12 Carefully fit the shaft 18 and the syringe pusher drive 15 on drive arm Ensure the seal 48 between the syringe pusher 12 and syringe pusher drive 15 1s correctly positioned Secure the syringe pusher drive 15 with four screws 55 56 7 2 2 10 Drive Unit board installation Carefully insert the Drive Unit board 17 into the front case Secure the retaining screw 64 and the retaining screw 63 using spacer 74 Connect all flexi cable and cable connections NOTE Drive unit board replacement entails necessity of syringe force sensor calibration Perform it at the final stage of pump reassembling prior to joining front and rear cases since it may be necessary to adjust trimmer potentiometer R2 on the Drive Unit board Restore 16 way electrical connection between front and rear cases of the pump and put the cases vertically on the table as far apart as the length of cable allow Perform force sensor calibration procedure in accordance with the 4 3 3 7 2 2 11 Syringe size sensor installation Carefully insert the syringe size sensor 19 Secure with 2 screws 62 Connect the syringe size sensor 19 cable to the Electronic board 23 Perform syringe size sensor calibration procedure i
57. rate from external 12 VDC MAINS LED does not operate Pump operates from the AC power supply Nurse Call does not operate RS232 interface does not operate communication via the RS232 interface enabled in maintenance menu IRDA interface does not operate communication via the IRDA interface enabled in maintenance menu Versatile clamp does not fix to the pump Flo gard GSP Service Manual Check 12VDC amp Nurse call connector unit Check fuses F2 F3 in Supply Perform Nurse Call test Check nurse call circuit interconnection on Supply Unit Check RS232 connector unit Check RS232 cable Check RS232 circuit interconnection on Electronic board Check IRDA circuit interconnection on Supply Unit Check Supply Unit connection with the Electronic board connector JP3 Check IRDA circuit interconnection on Electronic board Check versatile clamp 27 If necessary replace 12VDC amp Nurse call connector unit If necessary replace fuses F2 F3 with identical ones If necessary replace 12VDC amp Nurse call connector unit If necessary replace Supply Unit If necessary replace RS232 connector unit If necessary replace RS232 cable If necessary replace Electronic board If necessary replace Supply Unit If necessary replace Supply Unit If necessary replace Electronic board If necessary replace versatile clamp 6 5 TROUBLE SHOOTING BY FAILURE CODES CODE DESCRIPTION C
58. rs input z lt O Y gt lt 65 lt 5 Voc em e s Sm 5 REF ENABLE A B 2 A Data A Clock A B Strobe AB 2 2 31415 31415 Er vo cr wc ksr psqps pss qpsqpspsqps rs Vou AT reris pp pep ppp E Motor control ND Select RS232 ND i Kap VOC e N GND Syringe barrel sensor Reset Bootload ON Bootstrap loader 5 Size sensor 2 N E Size sensor ref m lt co Syringe size sensor A A von ER E TA Flo gard GSP Service Manual 45 ELECTRICAL SCHEMATIC DIAGRAM OF THE PUMP CONTINUED POWER SUPPLY Mains m 12VDC amp p11 Nurse call m 12VDC gt En ore 12VDC me 1 2111 1 Power output 12VDC A EIE 23 Nurse call COM ae 4 ______4 Nurse call NC RS232 5 3 8 al 6l 5 alo 10 10 11 11 P 12 12 13 13 14 14 15 15 x ici r 16 16 Piezo don JL IrDA interface 2 JP6 a i 4 2 Cal JP11 POWER SUPPLY UNIT ni Pine PU ain EE T cpr GBI TON 2 5Ah lt un A A7 BATTERY UNIT 1 resistor Flo gard GSP Service Manual 46 29 49 30 50 31 52 32 53 35 58 74 61 39 62 75 29 94 32 40 33 26 35 56 36 57 39 58 40 51 41 FJ AER WI
59. rs unit B6660032 8 cable to Drive Unit board 17 7 2 2 5 Encoder ruler installation Fit the encoder ruler 7 and secure with the screw 67 and the nut 58 via washer 72 Perform pusher position sensor calibration procedure in accordance with the 4 3 2 Flo gard GSP Service Manual 36 7 2 2 6 Drive installation Install the drive 10 to the front case and secure with three screws 57 61 Connect the Drive Unit board 17 cables to the Electronic board 23 Perform pusher position sensor calibration procedure in accordance with the 4 3 2 7 2 2 7 Syringe support installation Fit the ring 9 Fit the syringe support 11 and secure with two screws 49 7 2 2 8 Syringe pusher installation Fit the syringe pusher 12 on the tube and move it to the left Fit the stops 13 on the tube Moving the syringe pusher to the right fit it on the stops 13 Connect the flexi cables NOTE Pusher reassembling always entails necessity of syringe force sensor calibration Perform it at the final stage of pump reassembling prior to joining front and rear cases since it may be necessary to adjust trimmer potentiometer R2 on the Drive Unit board Restore 16 way electrical connection between front and rear cases of the pump and put the cases vertically on the table as far apart as the length of cable allow Perform force sensor calibration procedure in accordance with the 4 3 3 7 2 2 9 Syringe pusher drive installation Turn the pusher leve
60. rt logic O pulse at the WDPO output pin 5 This pulse sets 1 at the output pin5 of the flip flop U6A which acts as follows 1 Stops motor via the D22 2 Activates red alarm LED D1 via the D4 3 Activates the nurse call circuit located in the Supply Unit via the D16 Flo gard GSP Service Manual 12 4 Launches the buzzer Z1 via the D10 5 Eliminates 3 s delay when switching the pump off via the input 5 of U11 6 Indicates to the microcontroller U12 that watchdog is activated via the P5 8 input pin 35 The watchdog circuit is also activated if the motor starts rotating backwards despite forward rotation commands In this case the rotation direction sensor in the Drive Unit board sets Backwards circuit pin 3 of JP9 to 0 which inputs logic 0 to the watchdog via 218 thus activating it The pump carries out watchdog test each time it is powered up and if test passes successfully U6B trigger Q output pin 9 is set to 0 if test fails output is set to 1 This watchdog signal is applied to the 67 pin of U12 microcontroller 2 2 6 Piezotransducer drive The audible signal is generated by means of PWM at the POUTI output pin 20 of the microcontroller U12 Carrier frequency is suppressed by third order low pass filter R58 C75 R60 C76 R61 C77 In order to obtain double maximal output voltage a bridge layout of the U18 amplifier 1s used The ratio of R64 and R67 determ
61. softkey and repeat the calibration If pusher is contacting the spacer press the YES softkey Following message will be indicated on display Offset XX mm where XX value shall be 10 13 mm Press the QUIT softkey to exit 4 3 3 Force sensor calibration Equipment Digitron pressure meter model 2022P 0 1500 mmHg 50 ml BD PLASTIPAK or 60 ml BD syringe with extension line Select the Force sensor from calibration menu and press the OK softkey The cm Hg gt XXXmV lt message should appear on the screen First step 1s to be performed without loading syringe Make sure that plunger retainer lever is released and plunger grippers are in idle position and pushing surface of the retainer is not in contact with any part of pump or extraneous object Leave the pump at rest for at least 15 min then press and release the retainer lever a few times Make sure that actual output value of the force sensor displayed on the pump screen is 1100 400 mV if necessary adjust it by means of the R2 potentiometer on the Drive Unit board Press the OK softkey and the Insert 60 ml BD or 50 ml BD PLASTIPAK message should appear Fill syringe with 10 20 ml of water and fit it to the pump Connect syringe to the pressure meter by means of the extension line Locate the pressure meter at the same height as the syringe Press the RUN softkey and keep it depressed allowing the transmission to run until the pressure meter reads 148 1 5 cmHg
62. softkeys to select the required parameter 4 1 MAINTENANCE MENU Select the MAINTENANCE MENU from the Service menu and press the OK softkey Use the HA wu softkeys to select the required parameter Press the OK softkey to modify the NEXT SERVICE DATE to view the selected LOG event use key or service to set TIME FORMAT 24h or 12h toset DATE FORMAT dd MM yyyy or MM dd yyyy toset DEFAULT PARAMETERS to set ALARM PITCH to set ALERT PITCH to view serial number to select INTERFACE type RS232 or IRDA Only one of these interfaces may be active at a time Press the QUIT softkey to return to Service menu 4 2 LOADING PROGRAM 4 2 1 Loading program In order to check the program version keep the EX key depressed while turning the pump on To perform a programming operation the following is required Flo Gard GSP Firmware Upload Utility must be installed and configured on the computer that is being used Either RS232 extension cable must be connected between the COM port of the computer and the 9 way D connector in the rear of the pump Select the LOADING PROGRAM and press the OK softkey The pump is ready for loading the program Note When the ERROR PRO2 message incorrect program CRC is displayed the pump also is ready for loading the program Flo gard GSP Service Manual 16 Programming sequence Start Flo Gard GSP Firmware Upload Utility application by clicking on the appropriate icon Select
63. stilled water up to point of 60ml Program the following infusion parameters VTBI 50 ml Rate 50 ml h Insert the free end of extension set into the test tube and start the infusion Measure infusion time with the stop watch and read the volume of water delivered into the test tube Calculate the infusion rate It shall be 50ml h 1 ml h 12 5 5 OCCLUSION PRESSURE LEVEL CHECK Equipment Dugitron pressure meter model 2022P 0 1500mmHg Fill the 50 ml BD Plastipak or 60 ml BD syringe with 20 30 ml of the distilled water and connect it to the pressure meter using the extension set Switch on the pressure meter and set the max min pressure recording mode Set pump occlusion alarm level to L 5 and launch infusion at 5 ml hr rate for pump operation details refer to the Operator s Manual When pump will stop and indicate OCCLUSION read the maximum pressure recorded by pressure meter Readings shall be within 63 107 cmHg range If recorded value is outside this range re calibrate the force sensor in accordance with 4 3 3 and repeat this test Flo gard GSP Service Manual 23 6 TROUBLE SHOOTING 6 1 SAFETY WARNINGS Use extreme caution when pump whilst it 1s connected to the AC mains Hazardous voltages are present at the mains inlet and on the power supply even the pump is switched off Disconnect the battery and AC power whenever removing or inserting PCBs or other connectors This pump contains static sensiti
64. t is reached and repeat step 3 5 Execute steps 3 and 4 with the 140 ml MONOJECT syringe If this procedure required manipulation of the screw 68 then afterwards it 1s necessary to repeat checking with 5 ml BD syringe 6 Fasten the screw 68 using adhesive 7 2 2 2 Encoder unit installation Fit encoder unit 3 and secure with screw 69 and the nut 70 Connect the encoder unit 3 cable to the Drive Unit board 17 7 2 2 3 Motor unit and motor belt installation Fit the motor unit 5 and fasten not too tight it with the screw 63 nut 70 via two dampers 71 and two washers 75 Fit the two dampers 71 to the designated places between the motor and drive 10 wall Rotate motor unit 5 relative to the screw 63 to the position allowing fitting of the timing belt 6 on the pulley of the motor unit 5 Fit the belt 6 on the motor unit 5 pulley Timing belt teeth should be directed to inside Rotate the motor unit 5 relative to the screw 63 to the position allowing to fitting the timing belt 6 on the larger pulley Fix the motor unit 5 using screw 66 and nut 70 via dampers 71 and washer 75 Tighten timing belt as much when it is pressed with a force of 1 5 N it should bend fora 2 3 mm Finally fix screw 63 Connect the motor unit 5 cable to the Drive Unit board 17 7 2 2 4 Sensors unit B6660032 installation Fit the sensors unit B6660032 8 and secure with the screw 61 Connect the senso
65. ted on the pump for powering from an external 12VDC source This circuit comprises a connector on the rear side of pump and fuses F2 F3 and filter components L1 L2 C21 C22 mounted on the power supply unit s PCB Diode D10 prevents pump from damaging in case of wrong polarity of external 12 VDC source 2 5 IRDA RS232 NURSE CALL INTERFACE 2 5 5 IRDA interface Serial infrared data communication 1s operating in accordance with the IRDA standard using modulator demodulator U4 and transceiver US located on the power supply s PCB Flo gard GSP Service Manual l4 The transceiver is mounted on the rear of the PCB in front of the window at the back of the pump The window is covered with dark IR transparent plastic 2 5 6 RS232 interface The technical specification of the RS232 Interface is listed in table 2 below Table 2 TXD Output Voltage Range Minimum 5V mark 5V space Typical 5 4 V mark 5 4V space with 3kohm load to ground RXD Input Voltage Range 25V 25V maximum RXD Input Thresholds Low 0 8V minimum High 2 4V maximum 3 kohm minimum EM RS232 connections data Not used 2 Transmit Data TXD Output 3 Received Data RXD Input 4 Power Input DTR 5 Ground GND 6 Not used 7 Power Input RTS 8 Not used 9 Not used 2 5 7 Nurse Call Interface Nurse call interface is implemented using relay located on the power supply s PCB Contacts are rated at 1 at 50VAC or 1 A
66. the Electronic board 23 Perform syringe size sensor calibration procedure in accordance with the 4 3 1 Perform pusher position sensor calibration procedure in accordance with the 4 3 2 Perform force sensor calibration procedure in accordance with the 4 3 3 Perform date and time setting procedure in accordance with the 3 8 7 2 2 15 SRAM installation Fit the SRAM 24 on the Electronic board 23 following the orientation by the mark on the SRAM case 24 Perform date and time setting procedure in accordance with the 3 8 7 2 2 16 Syringe barrel sensor cover installation Using isopropyl alcohol clean the case surface ensuring all old adhesive residue 1s removed where the syringe barrel sensor cover 28 will be positioned Glue the syringe barrel sensor cover 28 using instant glue Flo gard GSP Service Manual 38 7 3 REAR CASE AND SUB ASSEMBLIES 7 3 1 Removal instructions 7 3 1 1 Power supply unit and switching power supply removal Remove the two battery cover screws 61 remove the battery compartment lid 43 disconnect the power supply unit 40 cable and withdraw the battery unit 42 Remove the cable from the battery unit compartment Disconnect the mains filter unit 37 and I2VDC amp Nurse call unit 35 connection Unscrew the nut 50 and disconnect power supply unit 40 grounding wire from the potential equalization connector Remove the six power supply unit 40 retaining screws 61 Carefully withdraw the powe
67. ts Check syringe force sensor and replace syringe pusher with syringe force sensor if necessary Check syringe force sensor amplifier circuit and replace Drive Unit board if necessary SFOS Syringe force sensor reading not change Clean syringe pusher check syringe kaj force sensor and replace syringe pusher if necessary SFO6 Syringe force reference voltage drift Calibrate syringe force sensor If the problem persists Check syringe force sensor Uref and replace Drive Unit board if necessary code recurs replace Electronic board If necessary SROI SRAM test failed Power off then on If failure code recurs replace Electronic board SF07 Incorrect occlusion pressure level value in Power off then on Set the default EEPROM occlusion pressure level If failure SCOI Interrupted piezotransducer circuit Check piezotransducer unit and replace it if necessary Check piezotransducer drive circuit and replace Electronic board if necessary SCO2 Shorted piezotransducer circuit Check piezotransducer unit and replace it if necessary Check piezotransducer drive circuit and replace Electronic board if necessary Power off then on If failure code recurs replace software recurs replace software ALO1 Alarm manager software module has failed Power off then on If failure code LEDO1 LEDs control software module has failed Power off then on If failure code Flo gard GSP Service Manual 31 OFFI Software OFF modul
68. ulator Negative voltage adjustable within range of 7 5 to 8 5 V 1s utilized to control the display contrast The negative voltage is generated by means of the DC DC converter U16 and voltage regulator U17 Initial voltage value 1s adjusted by means of trimmer potentiometer R52 The microcontroller U12 then controls display contrast by means of PWM signal generated at the POUT3 output pin 22 and applied to pin6 of the U17 via low pass filter R50 C60 and diode D19 2 2 4 RS232 interface circuit The RS232 interface circuit is isolated from the pump circuitry by means of the opto couplers D8 D9 This isolated part of the circuit is powered from the PC COM port using RTS 10V 10V rectified by means of the D6 D7 diodes signals Voltage regulator U1 is used to provide the RS232 interface chip U3 with 5V supply VDD U3 includes a DC DC converter providing the necessary voltages of 7V and 7V Integrated circuit U3 hibernates when no valid receiver level and no receiver or transmitter transient 1s detected for 30 seconds and wake up when a valid receiver level or receiver or transmitter transient is detected 2 2 5 Watchdog circuit The watchdog function is carried out by the uP supervisory circuits with windowed Min Max watchdog U9 The microcontroller generates clocks at the P2 4 output pin 51 that are applied to the WDI input pin 3 of U9 If the clock period goes outside the permissible range U9 generates a sho
69. unit 34 and secure with the screws 51 7 3 2 3 12VDC amp Nurse call unit installation Fit the 12VDC amp Nurse call unit 35 and secure with the retainer screw via washer 82 Connect the 12VDC amp Nurse call unit 35 cable into the power supply unit 40 Fix the strings of the RS232 connector cap 46 and 12 VDC amp Nurse call connector cap 47 using screw 69 washer 75 and nut 70 7 3 2 4 Mains filter unit installation Insert the mains filter unit 37 into the rear case and secure with retaining clips screws 52 via washers 81 and fix the retaining clips 52 Connect the mains filter unit 37 connector to the switching power supply unit 41 7 9 2 5 Power supply unit and switching power supply installation Fix the switching power supply 41 to the supply unit 40 using four screws 53 nuts 70 spacers 74 and washers 78 Connect power supply unit 40 cable to the switching power supply 41 Carefully insert the power supply unit 40 into the rear case Fix the six retaining screws 61 and connect the mains filter unit 37 and 12VDC amp Nurse call unit 35 connections Fix the power supply unit 40 grounding wire to the potential equalization connector using nut 50 and washer 80 Insert the power supply unit 40 wire into the battery unit 42 compartment Insert the battery unit 42 and connect the power supply unit 40 wire Ensure that the seal 45 between the battery compartment lid 43 an
70. upply if necessary LED lights when pump 1s powered up MAINS LED lights when powered from I2VDC MAINS LED does not light Check the MAINS LED of Replace keypad K1 if when plugged into a known the keypad KI and keypad necessary good AC or 12VDC outlet connection with the BATTERY LED lights when Electronic board connector pump is powered up JP12 Check Electronic board Replace Electronic board if necessary MAINS LED is light Pump Check fuse Fl in the Supply Replace fuse Fl with does not switch on Unit identical one Pump is unplugged Check the BATTERY LED Replace keypad if BATTERY LED does not of the keypad K1 and keypad necessary light when pump is powered connection with the up Electronic board connector JP12 One or more keypad key Perform keypad test Replace keypad if necessary presses are not accepted Too high or too low contrast Check contrast setting Adjust the contrast as level described in Operator s Manual Check the voltage of the Adjust voltage by means of Electronics Board test point R52 if the problem persists TP9 The value should be replace the Electronic board 8 0 0 1 V when contrast is set to level 6 Backlight does not operate Check backlight setting Adjust the backlight as when pump is powered on described in Operator s Manual Check backlight circuit If necessary replace interconnection on Electronic Electronic board board Check Display U
71. ve components Wherever the ESD symbol appears observe strict precaution for the protection of static sensitive components when attempting to service and repair the pump Always visually inspect the pump power cord and plug for damage If the power cord or plug is damaged they should be replaced Should further technical assistance be required call your local BAXTER Service Centre 6 2 PUMP HAS BEEN DROPPED OR DAMAGED If the pump is dropped or damaged the damaged parts should be identified and replaced before any further troubleshooting is carried out During inspection careful attention should be paid to the front and rear case halves for signs of drop damage Also check the pump drive syringe pusher syringe pusher drive syringe size sensor 6 3 PUMP HAS BEEN EXPOSED TO FLUIDS Excessive fluid spills can lead to fluid ingress into the pump Even if the fluid dries out deposits can be left which cause the pump to fail If fluid ingress 15 suspected the pump should be inspected internally Clean and dry out the pump Take care to ensure dried deposits do not remain on the PCBs or other electrical components Replace any damaged PCBs or components Flo gard GSP Service Manual 24 6 4 TROUBLE SHOOTING BY FAULT SYMPTOM SYMPTOM CHECK CORRECTIVE ACTION MAINS LED does not light Check mains cord Replace mains cord when plugged into a known Check switching power Replace switching power good AC outlet BATTERY supply s

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