Aitecs 2016 Syringe Pump - Service manual
Contents
1. Either USB cable must be connected between the USB port of the computer and the USB connector in the rear of the pump Select the MOTOR PROGRAM LOADING and press the OK softkey The MOTOR PROGRAM UPGRADE message shall appear on the screen The pump is ready for loading the motor program Programming sequence Start A2016 Firmware Upload Utility application by clicking on the appropriate icon Select USB interface Click on Motor Gal key in order to load program Click on Motor E key to start the programming operation When programming completed switch off the pump using the ON OFF key Having loaded new program it is necessary to st DEFAULT PARAMETERS and execute full testing see Section 3 4 1 3 4 CALIBRATION Select the CALIBRATION from the Service menu and press the OK softkey Select item to be calibrated using the keys and press the OK softkey Aitecs 2016 Service Manual N 3 4 1 Syringe size 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 Spacer gauge SPO B8640027 04 Spacer gauge SP1 B8640037 01 Spacer gauge SP2 B8640037 02 Spacer gauge SP3 B8640037 03 Select the Syringe size 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 0 to2. L10 73cmHg 117 cmHg RESULT cmHg Check software version Version Number Perform drive sensors test Perform syringe size sensor test Perform pusher position sensor test Perform motor test Perform display test EJ ll Il Il U U LO UU z Ed JE T Pe T Sl T e E e pit qq E E Perform nurse call test Aitecs 2016 Service Manual 61 Perform speaker buzzer test Perform keypad test S Perform LED test Perform watch dog test Perform electrical safety test class II type CF Comments TESTED BY First Name Last Name DATE REVIEWED BY First Name Last Name DATE Aitecs 2016 Service Manual 62 fe PT PET G O Signature Signature O Ll LI LI L
3. and BATTERY In order to check the operation of BATTERY LED it is necessary to connect the power cable In order to check the operation of MAINS LED it is necessary to remove and reconnect the power cable Press the BACK softkey to return to TESTING menu In order to check the operation of red backup battery LED it is necessary to remove the power supply cable from Main electronic board 3 5 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 Clocking of the watch dog circuits is interrupted for certain time This shall trigger watch dog which activates red alarm LED and launches the buzzer When test completed switch off the pump using the ON OFF key Aitecs 2016 Service Manual 12 4 RECOMMENDED ROUTINE MAINTENANCE AND TESTING It 1s recommended that routine maintenance be carried out at least once a year This should include see Annex A AC Mains Battery operational checks section 4 1 General cleaning and inspection for damage section 4 2 Battery test section 4 3 Infusion rate check section 4 4 Occlusion pressure level check section 4 5 Full test sections 3 4 1 3 4 12 4 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 in
4. 2016 Service Manual 11 display All the rectangles should be same shaped and evenly filled Having finished testing press the BACK softkey to return to TESTING menu 3 5 8 Nurse call test Equipment Nurse call cable B6650034 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 9 com and contacts 10 NO 8 NC The contacts should toggle each time the CHANGE softkey 19 pressed as indicated on the display Press the BACK softkey to return to TESTING menu 3 5 9 Speaker buzzer test This test checks the speaker and buzzer operation Select Speaker buzzer from the testing menu and press the OK softkey Check for the alternating volume sound from the speaker Check for the sound from the buzzer Press the BACK softkey to return to TESTING menu 3 5 10 Keypad test This test enables checking the keypad operation Select Keypad from the testing menu and press the OK softkey Press one by one all keys and make sure that after pressing any key its image on the display is highlighted Press the BACK softkey to return to TESTING menu NOTE This test does not apply to the ON OFF key 3 5 11 LEDs test This test is intended to check the LED operation Select LEDs from testing menu and press the OK softkey The following LEDs should activate one after another GREEN INFUSION RED ALARM YELLOW ALERT
5. Bootstrap software PROS Incorrect motor program CRC Power off then on If failure code recurs replace drive unit board software RTOI Accuracy of the Drive unit microcontroller Replace Drive unit board if necessary quartz clock or Main electronic board Replace Main electronic board if microcontroller quartz clock is out of spec necessary 11 RTO3 Incorrect date and time settings Set date and time SA00 Bad MCU Jumps Power off then on If failure code recurs replace Main electronic board if necessary SAXX Safety failures Power off then on If failure code recurs replace Main electronic board if necessary SCOI Interrupted speaker circuit Check speaker unit and replace it 1f necessary Check speaker drive circuit and replace Main Electronic board if necessary SCO2 Shorted speaker circuit Check speaker unit and replace it if necessary Check speaker drive circuit and replace Main Electronic board if necessary SFO1 Syringe force sensor reading out of range Calibrate syringe force sensor If the problem persists Check syringe force sensor and replace drive with syringe force sensor if necessary Check syringe force sensor amplifier circuit and replace Drive Unit board if necessary SFO2 Syringe force test reading out of range Calibrate syringe force sensor If the problem persists Check syringe force sensor and replace drive with syringe force sensor if necessary Check syringe force sens
6. LI Coco W LIT D 6 no rapit rolg SITI a ad C Abe B N Metro SS CT CT Gi T KE H DI ME heoi CF ra Ca Z En eng IC TI suL H g Y TJ O O Cig B u ed ZN A B 8 FA m Es ITA imi 58 Aitecs 2016 Service Manual 8 SPARE PARTS LISTING 8 1 SPARE ACCESSORIES PART NUMBER DESCRIPTION BB6190050 Set of spacers for calibration Digitron pressure meter model 2022P 0 1 500 mmHg P322017 A2016 Firmware Upload Utility B6690011 Bootstrap Loading Unit 8 2 SPARE LABELS PUBLICATIONS Operator s Manual Aitecs 2016 Syringe Infusion Pump Label Extension line XX language name codes Code XX English Aitecs 2016 Service Manual 5 9 8 3 SPARE ELECTRICAL COMPONENTS PART NUMBER 8 4 SPARE MECHANICAL COMPONENTS B6660045 Aitecs 2016 Service Manual 60 ANNEX A ROUTINE MAINTENANCE 8 CHECKOUT PROCEDURE Model o Serial Number Calibration Equipment Used Record calibration due date and equipment used Fail Test Check AC and battery indicators General cleaning and inspection for damage Check the alerts and alarms According to Operator s Manual chapter 6 Date and time are correct Perform battery calibration Perform battery test 10 hours at 5 ml h Check infusion rate accuracy 50 ml h 1 ml h RESULT Check occlusion pressure level
7. Manual 50 V6675063 Label Speaker EA B8180255 Label Instruction D 96 B8180257 Label Extension line UE V8180082 Label Electrostatic um mi Aitecs 2016 Service Manual 5 1 7 ELECTRICAL SCHEMATIC DIAGRAMS COMPONENT LOCATION DIAGRAMS ELECTRICAL BLOCK DIAGRAM OF THE SYRINGE PUMP Col TPPP UW01j99 01p Aeq S LOJCOIPUL dmpeg G TI SOMPE PAPEL JOSUS ADPOJUJ JINSSI LJ JALIP LOOT LOOT Hd aut NVAS I3 0 JUOIOAS TU JOJOJN STOSUJS uo nq usnd RUE dn do3s 204 4 SD ddr PU EUOIJAIP suey puas TOSS D34381 Jaysng eee yun SALI T 1oyDede USEJH annon JAJJOLJUOJOJAJA S LOSTIOS TOSS JOSUIS IZIS dx JUIO S ILIE edioy 4 ISULIAS P 4 p A J usn4 3 ISULIAS NOAdAHA JALIP Inprods MAT Te 2S NN Jun AJEJ TO AJUODOTITJA IAI as 0 1403 SB 1QUOD Avrdsiq Jun ejdsiq PACOQ 7100110919 UTE TA T PM ESE LSS umop days MEDU Ayddns Jaaod UNJIJIMS pu JUATI PI suje V 52 Aitecs 2016 Service Manual ELECTRICAL SCHEMATIC DIAGRAM OF THE PUMP 7 2 Z V 8OTINS da G6OTINS da ES td mm STOSUIS Tasty pun Tostas PLUIE ISULIAS UY TOSUJS IZIS ISULIAG I sud z Urad og oz sz rz Jez zz rz oz sr s1JET 9T STJETJ ETI ZT TT oof s
8. plastic Aitecs 2016 Service Manual 6 3 SERVICE MENU While keeping pressed the gt key turn the pump on Enter code 751 using the numerical keypad Press OK to confirm the code The Service Menu will be displayed Use O GO keys to select the required parameter 3 1 MAINTENANCE MENU Select the MAINTENANCE MENU from the Service menu and press the OK softkey Use the keys to select the required parameter Press the OK softkey to set DEFAULT PARAMETERS to modify the NEXT SERVICE DATE to view the selected LOG event use key or service to set ALARM PITCH to set ALERT PITCH to view serial number Press the BACK softkey to return to Service menu 3 2 PROGRAM LOADING 3 2 1 Loading main program To perform a programming operation the following 1s required A2016 Firmware Upload Utility must be installed and configured on the computer that is being used Either USB cable must be connected between the USB port of the computer and the USB connector in the rear of the pump CR While keeping pressed the key turn the pump on The Loader USB message shall appear on the screen The pump is ready for loading the program Programming sequence Start A2016 Firmware Upload Utility application by clicking on the appropriate icon Select USB interface Click on Firmware En key In order to load program Click on Firmware E key to start the programming operation When programming completed switch off t
9. with 10 20 ml of water and fit it to the pump Connect pressure meter to the syringe by means of the extension line Locate the pressure meter at the same height as the syringe and press the OK softkey After the pusher comes in contact with syringe plunger press the gt softkey and keep it depressed allowing the transmission to run until the pressure meter reads 120 1 5 cmHg When approaching the target value it is recommended to run transmission in short steps pressing the gt key momentarily If you fail to stop movement timely and target value is overridden calibration procedure must be repeated from the beginning When pressure is adjusted as required press the OK softkey Press the BACK softkey to exit Aitecs 2016 Service Manual 9 NOTE When calibrating force sensor after repairing or replacing drive or pusher it is necessary to go through described above procedure three times first and second time running transmission until pressure goes to 140 150 cmHg and the last time exactly as described 3 4 4 Battery capacity calibration Battery capacity calibration cycles the battery through a charge discharge re charge sequence during which the fuel gauge within the 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 decr
10. z o s re z 1 9 otfstrtfer zr rtjorfe sje o fe lr lc z 1 G Va a kel E R SR E SEN TUREN EIA A E yndyno s 10suag joayuos 10J0JN Ao our r dd s A Z ZM JOGO aa T ZA TOJON TINS cian S IM Jojo I TA IN 7 ENI joyovdeg NE 9d AOS Jopordea TNA za 0089 19 nun apong py JQ OJ A 20104 JAM 20104 q ANS OZ TLE 79V FAVA ga SOSUIS JINSSILJ GOTINSAH GOTTNSAH ICT 6OTT XS HH cad 53 Aitecs 2016 Service Manual ELECTRICAL SCHEMATIC DIAGRAM OF THE PUMP CONTINUED GND GND A GND USB External GND DI POWER SUPPLY UNIT A2 IrDA UNIT AS 3 cr a ale lre w el se le llO bts 5 gt l gt 2 z 7 v m Z g a Aloe le v z Q re ee PS l E HHE ERS E E RIS ES Z REJE lt gt A se es else C Ka 94 Sensors input gt 3 x SIz Z Z nati a 25 26 ilo 16 17 18119120121122 23 24 6 7 8 9 JLOJLIJIZJI3JI4 1 5 5 JP11 12113 1 2 31 4 DRIVE UNIT 11 JPII A 10 USB unit VBUS External GND External GND JP10 Motor control VCCNS ee GND A A3 7 8 6 7 8 6 5 5 MAIN ELECTRONIC BOARD B7050 be a Bootstrap loader Blockine buzzer Syrinee barrel sensor RxDO 32 2 3 4 ce lt ES Fa Modulation bo VCC 3 Barrel LED anode gt A Z
11. 25 Kalvariju Str 08221 Vilnius Lithuania E mail service O altecs com Tel 370 52 737509 Aitecs 2016 Service Manual 2 TECHNICAL DESCRIPTION 2 1 GENERAL The Block Diagram of the syringe pump is given in the section 7 1 The Electrical Schematic Diagram 19 given in the section 7 2 The syringe pump 1s composed of the following elements Keypad Syringe barrel sensor Syringe size sensor Main Electronic board MEB Pusher sensors unit Motor Encoder Pressure sensor Pusher home sensors Drive Unit board Switching power supply Battery unit IDA unit Power supply unit Below follows a description of these elements refer the appropriate diagram for full understanding of the functionality 2 1 1 Keypad Keypad comprises of a 6 x 4 key matrix connected to the Main Electronic board at connector JP3 ON OFF key C key and BATTERY amp MAINS LED S are also located on the keypad 2 1 2 Syringe barrel sensor The syringe barrel sensor comprises photo interrupter D1 When the syringe is loaded the shutter is drawn out of the slot of the photo interrupter D1 enabling its optical link The LED of the photo interrupter is supplied with pulse modulated current through pin 3 of JP4 connector of the Main Electronic board 2 1 3 Syringe size sensor The syringe size sensing 19 achieved using the linear potentiometer R 1 The signal from the potentiometer slider is applied to the Main Electroni
12. 3 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 3 4 2 Pusher button and pusher position calibration Equipment Calibration spacer gauge SP1 B8640037 01 Select the Pusher button amp pusher position from calibration menu and press the OK softkey Press the pusher lever if appropriate message appears When display reads the Insert spacer SP1 and press OK message insert the SPI spacer and press the OK softkey Syringe pusher shall move forward until it comes in contact with the spacer When syringe pusher stops automatically and display reads a CONFIRM softkey press the CONFIRM softkey 3 4 3 Force pressure calibration Equipment Digitron pressure meter model 2022P 0 1500 mmHg 50 ml BD PLASTIPAK or 60 ml BD syringe with extension line Screws fastening rear case to front case must be unscrewed Select the Force sensor from calibration menu and press the OK softkey Then follow directions on the display When the Is pusher free message appears make sure that pushing surface of the retainer is not in contact with any part of pump or extraneous object When Adjust readings message appears check the value indicated at left bottom corner of screen and adjust it 1f out of above indicated on the screen range by means of potentiometer R30 on the Drive Unit Upon prompt of inserting syringe fill syringe
13. 822 Viiniue Li eed HT NIET 12VDC 6 3 4 USB unit replacement 1 Remove two screws 53 washers 73 and carefully withdraw the USB unit 20 Remove plate 87 1f necessary 2 Reassemble in reverse order Glue new plate 87 Aitecs 2016 Service Manual 42 6 3 5 Speaker unit replacement 1 Using tweezers squeeze the plastic hook that holds the speaker unit 19 and carefully detach it from the case and withdraw its cable out of holder 47 2 Reassemble in reverse order 6 3 6 Capacitor unit replacement 1 Detach the tie 44 and carefully withdraw the capacitor unit 18 ODDA III UO 2 Reassemble in reverse order Aitecs 2016 Service Manual 43 6 3 7 IrDA unit replacement 1 Remove capacitor unit 2 Remove the two screws 62 and carefully withdraw the IrDA unit 17 3 Reassemble in reverse order 6 3 8 Mounting clamp holder replacement 1 Remove the power supply unit Remove the switching power supply 2 Remove the screws 33 and washers 75 Remove the mounting clamp holder 30 3 Reassemble in reverse order NOTE Take care not to lose the magnet and silicon gasket that are inside the mounting clamp holder Aitecs 2016 Service Manual 4 4 6 3 9 Magnet replacement 1 Remove mounting clamp holder 2 Remove silicon gasket 39 and the magnet 31 m 3 Reassemble 1n reverse order 6 3 10 Dragger bar clamp s case levers and springs replacement 1 Remo
14. ASEANDSUB ASSEMBLIES uyu a i kau ee O ii a qa 40 6 4 TOROUEOVIDE OS 47 6 5 PART DIE ne Sd oi ios 49 7 ELECTRICAL SCHEMATIC DIAGRAMS COMPONENT LOCATION DIAGRAM 52 ZA ELECTRICAL BLOCK DIAGRAM OF THE SYRINGE PUMP 52 2 ELECTRICAL SCHEMATIC DIAGRAM OF THE PUMP ss 53 OE MAIN ELECTRONIC BOARD COMPONENT LOCATION DIAGRAM 56 TA DRIVE UNIT BOARD COMPONENT LOCATION DIAGRAM 57 1 9 POWER SUPPLY UNIT COMPONENT LOCATION DIAGRAM 58 o OPARE PARTS LIS LEINO cti 59 8 1 SPARE ACCESSORIES ponines ln ec cn tte dceceneher cute qk a ukasa saku 59 8 2 SPARE LABELS PUBLICATION S cocinas 59 8 3 SPARE ELECTRICAL COMPONEN RTT 60 8 4 SPARE MECHANICAL COMPONEN Ss 60 ANNEX A ROUTINE MAINTENANCE amp CHECKOUT PROCEDURE 61 Aitecs 2016 Service Manual 2 1 INTRODUCTION 1 1 GENERAL INFORMATION The AITECS 2016 syringe pump is designed to accurately control the delivery of solution to the patient by means of a disposable syringe The AITECS 2016 syringe pump is compatible with a wide range of standard single use disposable Luer lock syringes ranging from 5 ml to 60 ml in size This SERVICE MANUAL describes the theory of operation how to check troubleshoot and repair AITECS 2016 syringe infusion pump Ensure that you are fully familiar with thi
15. ATTERY TEST Perform battery calibration in accordance with 3 3 5 When calibration is completed and the battery 1s fully charged at least 3 hours on charge disconnect the pump from the mains Load 50 ml BD Plastipak 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 1s significantly less battery should be replaced After completion of the test the pump should be recharged for a minimum of 3 hours 4 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 syringe with extension set and fill it with distilled water up to point of 60ml Program the following infusion parameters 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 till the moment pump display indicates 50 ml infused and stop the infusion Read the volume of water delivered into the test tube Calculate the infusion rate It shall be 50ml h 1 ml h 42 4 5 OCCLUSION PRESSURE LEVEL CHECK Equipment Digitron pressure meter model 2022P O 1500mmHg Fill the 50 ml BD Plastipak syringe with 20 30 ml of the distilled water and connect it to the pressure meter using the
16. Service Manual Aitecs 2016 SYRINGE INFUSION PUMP BS049055EN P01 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 INTRODUCTION ES xu uum u Z u u dt to O 3 1 1 GENERAL INFORMATION oidos 3 1 2 GENERAL PREGCAV TION a den one to nee ina 3 1 3 SERVICE CONTACT T 4 2 TECHNICAL DESCRIPTION q nn Os 5 2 1 GENERA a a TI Z 5 j SERVICE MENO Se nn en ne O ee aao 7 3 1 MAINTENANCE MENU neutre vented 7 a PROGRAMLOADINO TT 7 3 3 MOTOR PROGRAM LOADING acai a i ih 8 3 4 CALIBRATION pl 8 S TESTIN E T 10 4 RECOMMENDED ROUTINE MAINTENANCE AND TESTING 13 4 1 AC MAINS BATTERY OPERATION CHECK sese 13 4 2 GENERAL CLEANING AND INSPECTION FOR DAMAGE 13 4 3 BATIERY TES a aa a a a E aa 14 4 4 INEUSION RATE CHEC ketiniai ti a 14 4 5 OCCLUSION PRESSURE LEVELGCHECK SSSR a E E 14 JT ROUBLE SAOO PINS aci acaba 15 5 1 SAFELY WW Bul NING S enera octane aes eset NAVE 15 52 PUMP HAS BEEN DROPPED OR DAMAGED ssp isos 15 Ja PUMP HAS BEEN EXPOSED TO FLUIDS ha y u nantes 15 5 4 TROUBLE SHOOTING BY FAULT SYMPTOM assisia a 16 5 5 TROUBLE SHOOTING BY FAILURE CODES ann ent 18 6 REPAIR IR 23 6 1 ACCESS TOTO PUMP iuen N nn nee 24 6 2 FRONT CASE AND SUB ASSEMBLIE S ou N a 27 6 3 REARC
17. artment lid 27 1s correctly rd nites 2018 Z zili Ea ua VIS 26 Kalvariju pr 08221 YR huan 6 1 3 Access to the pump 1 Press button and remove the mounting clamp 29 2 Remove battery unit 3 Place the pump on an anti static grounded surface Remove the six case retaining screws 51 52 located on the back of the pump Aitecs 2016 Service Manual S 5 4 Turn the pump upside down Carefully separate the front 68 and rear 69 case halves and disconnect the power supply unit cable A the speaker cable B the capacitor cable C the USB cable D and IrDA cable E gt ii 5 WW te le e BE il 5 Reassemble the pump in the reverse order When reassembling ensure that the spacers 84 and spacer 85 are correctly inserted Ensure also that the seal 34 under the battery compartment lid 27 and the seal 32 between the front 68 and rear 69 cases are correctly positioned Aitecs 2016 Service Manual 26 ae 4 5 6 2 FRONT CASE AND SUB ASSEMBLIES 6 2 1 Syringe barrel sensor cap replacement Use a knife to find the edge of the gasket 48 and carefully peel 1t back Using isopropyl alcohol clean the case ensuring all old adhesive residue is removed from the surface A where the gasket 48 will be positioned Apply the LOCTITE 4850 glue on the surface B of the cap 50 that will contact the gasket 48 and put the cap and gasket tog
18. c board via pin 2 of JP8 connector 2 1 4 Pusher sensors unit The plunger push button sensors are composed of two photo interrupters D1 D2 The grippers latched sensor comprises photo interrupter D3 The LED s of the photo interrupters are supplied with pulse modulated current through pin 3 of JP8 connector of the Drive Unit board When the syringe is loaded the shutter is outside the slot of D1 is and inside the slot of D2 When the syringe is loaded the shutter controlling the photo interrupter D3 is outside of its slot Aitecs 2016 Service Manual 5 2 1 5 Motor A two phase bipolar stepper motor with 1 8 step angle is used in the pump drive The motor is connected to the Drive Unit board via connector P and is driven in micro stepping mode There are 200 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 1 6 6 1 as a result 333 3 3 motor steps move the drive carriage by 1 25 mm 2 1 6 Encoder Motor speed and direction is monitored by means of the encoder It is composed of two photo interrupters D1 D2 and a 12 slot encoding disk mounted on the lead screw Quadrature signals Tax1 Tax2 are transferred to the Drive Unit board via JPS connector 2 1 7 Pressure sensor As a pressure sensor 19 used a strain gauge TZ1 mounted on a steel plate When this plate 19 deflected by applied force on the plunger a differential voltage is gene
19. dication LED becomes illuminated as the mains supply 1s removed 4 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 Only a qualified service engineer with reference to this manual should perform servicing 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 damage 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 mounting clamp is not damaged and that it functions correctly Inspect the AC power supply inlet and cable for sings of damage Aitecs 2016 Service Manual 13 4 3 B
20. eases with time Recalibration will update the fuel gauge with the measured capacity of the cells Remove the 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 without syringe to the mains Select the Battery Capacity from calibration menu and press the OK softkey Press START softkey in the following window Leave pump in calibration mode for up to 20 hours The cycle should run passing automatically three phases one by one e Initial charge phase up to 4 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 12 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 During the course of calibration the battery related information is displayed on the pump screen At the end the CALIBRATION COMPLETED message appears Press the BACK softkey to exit 3 5 TESTING Select the TESTING from the Service menu and press the OK softkey Select the item to be tested using the keys and press the OK softkey 3 5 1 Full testing This section provides a complete pump test procedure Follow each stage test and follow the instructions on the display use the NEXT softke
21. ether Apply the LOCTITE 4850 glue on the surface A recess of the case that will contact the gasket 48 Install the gasket 48 with cap 50 so that pin of the cap 50 goes through the hole in the spring 38 and press the gasket 48 so that it sticks to the case NOTE When applying glue take care that it is not spread beyond area to be glued Putting glue on the membrane surface is inadmissible Aitecs 2016 Service Manual 27 4 5 6 2 2 Plunger push button replacement Use a knife to find the edge of the gasket 49 and carefully peel it back Using isopropyl alcohol clean the groove A on the pusher 8 ensuring all old adhesive residue 19 removed from the surface where the gasket 49 will be positioned Apply the LOCTITE 4850 glue on the groove B on the push button 86 and put the push button together with the gasket 49 Apply the LOCTITE 4850 glue on the groove A on the pusher 8 Install push button 86 so that guides of push button 86 go through the cross recess in the pusher 8 and press the gasket 49 so that it sticks to the pusher 8 NOTE When applying glue take care that it 19 not spread outside the grooves Putting glue on the membrane surface 1s inadmissible Aitecs 2016 Service Manual 28 6 2 3 Keypad replacement 1 Open the Main Electronic board 15 connector s JP3 actuator Detach the flexi cable of the keypad K1 16 from the Main Electronic board 15 connect
22. extension set Switch on the pressure meter and set the max min pressure recording mode Set pump occlusion alarm level to L 10 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 73 117 cmHg range If recorded value is outside this range re calibrate the force sensor in accordance with 3 3 4 and repeat this test Aitecs 2016 Service Manual 1 5 TROUBLE SHOOTING 5 1 SAFETY WARNINGS Use extreme caution when pump whilst it is 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 sensitive 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 5 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 dama
23. ge Also check the pump drive syringe pusher and syringe size sensor 5 3 PUMP HAS BEEN EXPOSED TO FLUIDS Excessive fluid spills can lead to fluid ingress into the pump Even 1T the fluid dries out deposits can be left which cause the pump to fail If fluid ingress 1s 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 Aitecs 2016 Service Manual 15 5 4 TROUBLE SHOOTING BY FAULT SYMPTOM SYMPTOM CHECK CORRECTIVE ACTION Pump does not operate from Check mains cord Replace mains cord external AC mains MAINS Check switching power Replace switching power LED does not operate supply supply if necessary Pump does not operate from Check 12VDC amp Nurse call Replace 12VDC amp Nurse call external 12 VDC MAINS connector unit connector unit LED does not operate Pump operates from the AC mains One or more keypad key Perform keypad test Replace keypad 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 Main Electronics Board test R27 if the problem persists point TP4 The value should replace the Main Electronic be 5 8 0 1 V when board contrast 1s set to level 6 Backlight does not operate Chec
24. he pump using the ON OFF key Having loaded new program it is necessary to set DEFAULT PARAMETERS and execute full testing see Section 3 4 1 3 2 2 Loading Bootstrap In order to perform a programming operation the following should be in place A2016 Firmware Upload Utility should be installed and configured on the computer that 1s being used Aitecs 2016 Service Manual gi Having opened the pump housing Bootstrap Loader Unit should be connected between the Main Electronic board connector JP7 and the COM port of the computer Bootstrap Loader Unit switch should be in ON position Switch on the pump Press the Reset key on the Bootstrap Loader Unit The pump 1s now ready to download a Bootstrap Programming sequence Start A2016 Firmware Upload Utility application by clicking on the appropriate icon Select which COM port is going to be used Click on Bootloader key in order to load Bootstrap Click on Bootloader E 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 Having loaded new bootloader it is necessary to set DEFAULT PARAMETERS and execute full testing see Section 3 4 1 3 3 MOTOR PROGRAM LOADING To perform a programming operation the following is required A2016 Firmware Upload Utility must be installed and configured on the computer that is being used
25. is refitted Aitecs 2016 Service Manual 30 6 Remove the screws 65 stando Q I ss d 7 NS zd 7 Fit the display unit 14 on the Main Electronic board 15 in reverse order 8 Connect Display unit 14 cable Remove the protective film from the display 9 Carefully insert the Main Electronic board 15 with Display unit 14 into the front case 10 Fit the three retaining screws 54 and washers 79 11 Connect all flex1 and cable connections to the Main Electronic board 15 12 Perform calibration procedures in accordance with the 3 3 1 3 3 4 Perform date and time setting procedure in accordance with Operator s Manual 6 2 5 Syringe clamp replacement 1 Lift the syringe clamp 11 to the upper position and hold it in this position 2 Unscrew the syringe clamp screw 55 and remove the syringe clamp 11 3 Reassemble in reverse order b Aitecs 2016 Service Manual 3 1 6 2 6 Syringe size sensor replacement Remove the syringe clamp Disconnect the syringe size sensor 10 cable 3 Remove the two retaining screws 56 and carefully withdraw the syringe size sensor 10 NO 5 Reassemble in reverse order Perform syringe size sensor calibration procedure in accordance with the 3 3 1 Aitecs 2016 Service Manual 32 6 2 7 Drive Unit board replacement Remove the syringe size sensor Disconnect the Drive Unit s board flexi cable and cable connections 3 Insert small flat screwd
26. ive sensors test Home Check home sensors unit connection to Main Electronic board Test syringe size sensor see section 3 4 4 Check the syringe size sensor and its connection to Main Electronic board Check occlusion pressure level see section 4 5 Check pressure sensor connection to Drive Unit board Check pressure sensor amplifier circuit Replace syringe barrel sensor if necessary Replace pusher home sensor unit if necessary Calibrate syringe size sensor see section 3 3 1 Replace syringe size sensor if necessary Calibrate pressure sensor see section 3 3 4 Replace syringe pusher if necessary Replace Drive Unit board if necessary Too short operation time on Test battery see section 4 3 Replace battery unit if battery necessary Nurse Call does not operate USB interface does not operate IrDA interface does not operate when link to AIMS 16 1s enabled in user configuration menu Perform Nurse Call test Replace 12VDC amp Nurse call connector unit Replace Power Supply unit if necessary Check nurse call circuit interconnection on Power Supply unit Check USB connector unit Check USB cable Check USB circuits on Main Electronic board Check the connection of IrDA unit to Main Electronic board Check IrDA circuits Replace USB connector unit Replace USB cable Replace Main Electronic board if necessary Replace IrDA unit if necessary Mou
27. k backlight setting Adjust the backlight as when pump is powered on described in Operator s Manual Check backlight circuit Replace Main Electronic interconnection on Electronic board if necessary board Check the Display Unit and Replace Display Unit if its connection to Electronic necessary board connector JP2 Second high pitch audible Check buzzer Z1 in the Replace buzzer Z1 alarm does not sound after Main Electronic board power on Check backup battery GB1 in Replace backup battery GB1 the Main Electronic board Grippers do not close when Perform drive sensors test Replace syringe pusher if loading syringe Pusher necessary Check the capacitor Cl and Replace capacitor unit its connection to Drive Unit board Check the electromagnet Replace syringe pusher if circuit and its connection to necessary Drive Unit board When loading syringe after Perform drive sensors test Replace syringe pusher if closing grippers the Press Unlatch necessary lever prompt is displayed Aitecs 2016 Service Manual 16 Check syringe prompt is displayed when loading syringe Pusher home sensors do not work properly screen indicates internal malfunction after switching on the pump Syringe size sensor does not determine syringe size properly Occlusion pressure level incorrect Perform drive sensors test Barrel Check the syringe barrel sensor connection to Main Electronic board Perform dr
28. meout Inspect cables between Drive unit and Main Electronic board Replace Main electronic board if necessary SMO8 Motor bad position Check Encoder Unit and replace it 1f necessary Check Drive Unit board and replace it if necessary Check Main electronic board and replace it if necessary SMO09 Bad communication protocol number Power off then on If failure code recurs replace motor software if necessary SM10 Rate checking algorithm does not work Power off then on If failure code recurs replace motor software and main software if necessary Check Encoder Unit and replace it if necessary Aitecs 2016 Service Manual 21 CODE DESCRIPTION CORRECTIVE ACTION SPOI Push button sensors failed Check pusher sensor unit and replace it if necessary SROO SRAM test failed after power on Power off then on If failure code recurs replace Main electronic board if necessary SSOI Syringe size sensor readings out of range Calibrate syringe size sensor If the problem persists check syringe size sensor and replace it 1f necessary SS02 Incorrect CRC of the syringe table in Calibrate syringe size sensor EEPROM SS03 Incorrect CRC of the syringe table in SRAM Power off then on If failure code recurs replace Main electronic board Power off then on If failure code recurs replace MEB software Power off then on If failure code recurs replace MEB software Power off then on If failure code recurs replace MEB s
29. n reverse order Aitecs 2016 Service Manual 37 6 2 14 Encoder unit replacement 1 Disconnect the encoder unit 2 cable from Drive Unit board 9 2 Remove the screws 60 spacers 72 and the encoder unit 2 3 Reassemble in reverse order NOTE When tightening screws 60 adjust position of encoder unit so that tips of encoding disk would go through the very middle of slot of each optical sensor 6 2 15 Extension set retainer Carefully using knife detach extension set retainer 35 from the case 2 Using isopropyl alcohol clean the case surface ensuring all old adhesive residues 19 removed where the linijos laikiklis 35 will be positioned 3 Glue the extension set retainer 35 using instant glue pa Aitecs 2016 Service Manual 3 8 6 2 16 Syringe barrel sensor unit replacement 1 Remove the drive 2 Disconnect the syringe barrel sensor unit 1 cable from Main electronic board 15 3 Remove the screw 61 and washer 73 4 Remove syringe barrel sensor unit 1 5 Remove the Screw 62 and the spring 38 1f necessary 6 Reassemble in reverse order NOTE Attention Syringe barrel sensor unit s cable shall be plugged into JP4 receptacle on the Main Electronic Board Aitecs 2016 Service Manual 39 6 3 REAR CASE AND SUB ASSEMBLIES 6 3 1 Power supply unit supply and switching power supply replacement 1 Remove the four screws 53 remove the battery compartment lid 27 disco
30. nit Screw 33x35 B 1000244 Screw DIN7985 3x8 B 1000043 Secure switching power Screw ISO 7049 2 9x9 5 B1000219 supply Screw DIN7982 2 9x9 5 B1000218 Aitecs 2016 Service Manual 47 Secure USB connector unit Screw ISO 7049 2 9x9 5 B1000219 Secure IrDA unit Screw BN82428 D2 5x6 B 1000203 Secure mounting clamp Screw ISO 7049 2 9x9 5 B1000219 holder PI Sere BN82428 4x12 B1000235 2 1 5Nm o SerewIS0 7049 829x13 B1000220 1 0 7Nm Final Assembly Stage Description Component Description Part No Oty Established Process Torgue Secure battery Screw ISO 7049 2 9X9 5 B1000219 4 10 7 Nm compartment lid Secure Front Case to Rear Screw 1807049 4X50 B1000237 case Screw BN82428 W4X12 B1000235 Aitecs 2016 Service Manual 48 6 5 PART LIST REFERENCE PART DESCRIPTION QUANTITY NUMBER 6 B6337024 Drive L 8 B6678005 Syringe pusher T 9 B6900003 DriveUnitboaard___________ 1 Silicon gasket Spring Lever x 45 B860082 Plae O pal Aitecs 2016 Service Manual 40 17 60 B1000205 Screw BN82428 2 5x12 66 B1000013 ScrewISO7045 M3x16 68 B6100040 Front case SS 2 69 B6100041 Rearcase SSS so V6300516 Spacer KDROB d3 6 7x8 Spacer 8 B8195006 Push button Plate 89 v6060651 Tube 003 ml 90 B8180271 Label Serial number 93 B8180256 Label Nurse call amp 12VDC 1 Aitecs 2016 Service
31. nnect the power supply unit 24 cable and withdraw the battery unit 26 See chapter 6 1 2 Remove the power supply unit 24 cable from the battery unit compartment 2 Disconnect power supply unit 24 connection from the switching power supply 25 3 Disconnect the 12VDC amp Nurse call unit 21 connection from power supply unit 24 4 Remove three retaining screws 63 64 and spacers 82 83 Carefully withdraw the Power supply unit 24 from the rear case Aitecs 2016 Service Manual 40 5 Disconnect the mains inlet unit 23 connection 6 Remove the two retaining screws 53 7 Remove the switching power supply 25 Remove plate 46 if necessary 8 Reassemble in reverse order 6 3 2 Mains inlet unit replacement Cut the tie 71 Detach the mains inlet unit 23 connector from the switching power supply 25 Remove the two retaining screws 67 Carefully withdraw the mains inlet unit 23 from the rear case Remove plate 88 Reassemble in reverse order fix the tie 71 Ir i aa Aitecs 2016 Service Manual 41 6 3 3 12VDC amp Nurse call unit replacement 1 Disconnect the 12VDC amp Nurse call unit 21 cable from Power supply unit 24 and detach from holder 47 2 Remove the 12VDC amp Nurse call unit 21 retainer screw and withdraw the 12VDC amp Nurse call unit 21 Remove cap 22 1f necessary 3 Reassemble in reverse order Ta PA 128 Ka vari ju t T 0
32. ns for the protection of static sensitive components when attempting to service and repair the pump Refer to section 6 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 for further information Battery should be disposed of as outlined by the local country regulation Do not send back to the manufacturer Aitecs 2016 Service Manual 23 6 1 ACCESS TO THE PUMP 6 1 1 Labels and legs replacement 1 In order to replace any label 90 91 92 93 94 95 96 or the legs 36 there is no need to disassemble the pump 2 Carefully using knife peel the old label or the old leg 3 Using isopropyl alcohol clean the case where the label or the leg will be positioned ensuring all old adhesive residue 1s removed 4 Stick the label 90 91 92 93 94 95 96 by pressing 1t firmly with a soft cloth 5 Stick the leg 36 by pressing it AITECS 2016 SN A61080015 dili f UAB V 126 T 0822 Aitecs 2016 Service Manual P 4 6 1 2 Battery unit replacement Remove the four battery covers screws 53 remove the battery compartment lid 27 withdraw the battery unit 26 and disconnect the power supply unit 24 cable Remove USB cap 33 1f necessary Reassemble in the reverse order When reassembling ensures that the seal 34 under the battery comp
33. nting clamp cannot be Check mounting clamp Replace mounting clamp fixed to the pump Aitecs 2016 Service Manual 17 5 5 TROUBLE SHOOTING BY FAILURE CODES CODE DESCRIPTION CORRECTIVE ACTION AB01 During antibolus motor has exceeded the Power off then on If failure code step count limit recurs replace drive unit board software If the problem persists replace drive unit board 1f necessary BAROI Barrel sensor is damaged Check barrel sensor and replace it if necessary BPOO Corrupted configuration parameters Set default parameters in Service menu Maintenance menu If failure code recurs replace Main electronic board if necessary BPO Configuration parameters out of limits Set default parameters in Service menu Maintenance menu If failure code recurs replace Main electronic board if necessary Electronic board BTO2 The battery cell voltage is low less than Charge battery 1f failure code recurs 1 05V per cell replace Battery Unit 1f necessary BT03 The battery cell voltage is high greater than Check battery charge circuit and 1 75V per cell replace power supply unit 1f BT00 Communications with the battery fuel gauge Inspect cables between Battery unit has failed Power supply unit and Main necessary BTO4 The battery temperature is high greater than Check battery charge circuit and 60 C replace power supply unit 1f necessary BTOS The battery charging current is high grea
34. oftware Power off then on If failure code recurs replace MEB software WDO2 Incorrect W D circuit outputs after power on Power off then on If failure code recurs replace Main electronic board if necessary Incorrect W D circuit outputs Power off then on If failure code recurs replace Main electronic board or drive unit board if necessary Incorrect W D circuit outputs after test Power off then on If failure code recurs replace Main electronic board or drive unit board if necessary W D software module has failed Power off then on If failure code recurs replace software or Main electronic board if necessary W D test timeout Power off then on If failure code recurs replace Main electronic board or drive unit board if necessary W D test not start Power off then on If failure code recurs replace Main electronic board or drive unit board if necessary During W D test Direction signal remained Power off then on If failure code high recurs replace Drive unit board or encoder unit if necessary During W D test W D first output signal Power off then on If failure code remained high recurs replace Main electronic board if necessary if necessary Aitecs 2016 Service Manual 22 6 REPAIR Ensure the unit 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 precautio
35. or 5 Replace keypad if necessary minutes LOGI Key log has failed Power off then on If failure code recurs replace Main electronic board if necessary Error log has failed Power off then on If failure code recurs replace Main electronic board if necessary Event log has failed Power off then on If failure code recurs replace Main electronic board if necessary Operating system timeout Power off then on If failure code recurs replace MEB software if necessary OTHXX Other failures Check log if necessary replaces MEB software PPOL Pusher position readings out of range for the Calibrate pusher home and syringe inserted syringe size sensors If the problem persists check and replace pusher home sensor OT syringe size sensor 1f necessary sensor if necessary sensor if necessary PROI Incorrect MEB soft Bootstrap CRC Power off then on If failure code recurs replace MEB Bootstrap software if necessary HTO1 HT02 HT03 HT04 LOG2 LOG3 OS01 PR02 Incorrect MEB program CRC Power off then on If failure code recurs replace MEB software 1f necessary Aitecs 2016 Service Manual 19 CODE DESCRIPTION CORRECTIVE ACTION PRO3 Program task dead A certain program task Power off then on If failure code not responding recurs replace MEB software 1f necessary PRO4 Incorrect motor soft Bootstrap CRC Power off then on If failure code recurs replace drive unit board
36. or JP3 2 Carefully access the edge of the keypad peel 1t back 3 Using isopropyl alcohol clean the case where the keypad will be positioned ensuring all old adhesive residue is removed 4 Remove the protective film from the keypad Insert the keypad K1 16 flexi cable through the appropriate case slot 5 Align the bottom edges and corners of the keypad K1 16 with the recess in the case Stick the keypad K1 16 by pressing it firmly with a soft cloth starting from bottom edge working to the top 6 Connect the keypad K1 16 flexi cable to the Main Electronic board 15 connector JP3 and lock the actuator Aitecs 2016 Service Manual 29 6 2 4 Main Electronic board and Display unit replacement 1 Remove the three retaining screws 54 and washers 79 i x TH M l Con sss pense 4 ne C8 te eee es oO Ooo heeds ai e gt gi Y ON 4 j di Ms a l ry CM i yo m TS A gt it 2 Disconnect all flexi and cable connections from the Main Electronic board 15 Carefully withdraw the Main Electronic board 15 with Display unit 14 from the front case 4 Remove two retaining screws 66 spacers 80 washers 78 and nuts 70 kv I be EEEIEI 5 Disconnect the Display unit 14 cable Detach Display unit 14 from the Main Electronic board 15 Ensure that the display panel and case panel remain protected from dust and scratches until the display
37. or amplifier circuit and replace Drive Unit board if necessary Aitecs 2016 Service Manual 20 CODE DESCRIPTION CORRECTIVE ACTION SF03 Syringe force reference reading out of range Calibrate syringe force sensor If the problem persists Check syringe force sensor and replace drive with syringe force sensor 1f necessary Check syringe force sensor amplifier circuit and replace Drive Unit board if necessary SF06 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 SMO01 Motor software error Power off then on If failure code recurs replace software or drive unit board if necessary SM02 Wrong direction of motor rotation Replace Encoder unit 1f necessary Check Drive Unit board and replace it if necessary SM03 Motor rotation speed is too high comparing Check Encoder Unit and replace it if period of motor steps with encoder signal necessary period Check Drive Unit board and replace it if necessary SM04 Motor rotation speed is too low comparing Check Encoder Unit and replace it if period of motor steps with encoder signal necessary period Check Drive Unit board and replace it if necessary Check motor unit and replace it if necessary SM06 Motor no bad connection Inspect cables between Drive unit and Main Electronic board Replace Drive unit board if necessary SMO7 Motor ti
38. rated at gauge output This signal which magnitude is proportional to the applied force is transferred to the Drive Unit board 2 1 8 Pusher home sensor The pusher home sensors are composed of two photo interrupters D1 D2 When the syringe pusher is in the right end position the shutter is outside the slot of D1 is and inside the slot of D2 2 1 9 Switching power supply A 30W single output 12V 2 5A medical type switching power supply is used in the pump 2 1 10 Battery unit The battery unit comprises the Ni MH 7 2V x 2 5Ah battery GB1 together with the battery monitoring circuit The integrated circuit U1 monitors battery voltage temperature and charge discharge current This data is used to calculate battery charge state and remaining working time when pump runs on battery Data is transferred to the microcontroller via 1 Wire interface pin 4 of the JP1 connector R2 is a current sense resistor R3 and C1 constitute a low pass filter for the current monitoring circuit Thermistor RI terminates battery charging if battery temperature exceeds the permissible value The resettable fuse Fl protects against a short circuit of the battery 2 1 11 IrDA unit Serial infrared data communication is operating in accordance with the IrDA standard using modulator demodulator U1 and transceiver U2 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
39. river into opening on the holder of flexi cable 37 and unlatch it and put aside Carefully withdraw the Drive Unit board 9 from the front case NO EST mi Em a8 ON EEES 4 Reassemble in reverse order NOTE Drive Unit board replacement entails necessity of syringe pressure 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 R41 on the Drive Unit board Restore power supply unit and capacitor unit 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 3 3 4 6 2 8 Syringe pusher replacement pa Remove the Drive Unit board 2 Withdraw the flexi cable out of holder 37 and out of carriage A Aitecs 2016 Service Manual 33 3 Remove the retaining screw 57 NOTE To have good access to the srew 57 move syringe pusher 8 to appropriate position rotating motor shaft manually 4 Slightly unscrew the syringe support retaining screws see 6 2 9 5 Remove syringe pusher 8 6 Reassemble in reverse order 6 2 9 Syringe support replacement 1 Remove the two retaining screws 54 Remove the syringe support 7 with sealing tube 89 3 Reassemble in reverse order Aitecs 2016 Service Manual 3 6 2 10 Drive replacement 1 Remove
40. s 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 Operator s Manual carefully prior to using this syringe pump This pump contains static sensitive components Observe strict precautions for the protection of static sensitive components when attempting to repair and service the syringe pump WN An explosion hazard exists if the syringe pump is used in the presence of flammable materials Exercise care to locate the pump away from any such hazardous sources AM An electrical shock hazard exists if the syringe pump casing 1s opened or removed Refer all servicing to qualified service personnel UZ I LE KO TE l This syringe 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 Aitecs 2016 Service Manual 3 If the syringe pump is dropped subjected to excessive moisture humidity or high temperature or otherwise suspected to have been damaged remove it from service for inspection by qualified service personnel 1 3 SERVICE CONTACT VILTECHMEDA 1
41. se and status of unlatch sensor shall change to ON Once complete press the BACK softkey to return to TESTING menu 3 5 4 Syringe size 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 BACK softkey to return to TESTING menu 3 5 5 Pusher position test This test enables checking pusher position calibration Select Pusher position sensor from the testing menu and press the OK softkey Insert the SPI spacer Press the OK softkey Syringe pusher shall move until coming into contact with the spacer Pusher position value of 22 0 5 mm should be indicated on the display Having finished testing press the BACK softkey to return to TESTING menu 3 5 6 Motor test This test enables checking motor operation During test no syringe should be installed Select Motor from the testing menu and press the OK softkey Keep the lt softkey depressed and make sure that pusher moves to the left Check reverse movement when gt key is depressed Having finished testing press the BACK softkey to return to TESTING menu 3 5 7 Display test This test checks that all of the display pixels 256x64 illuminate Select Display from testing menu and press the OK softkey Observe chess board structure fields that appear in the Aitecs
42. so GND Boot ON OFF Keep VCC E s Syringe size sensor A GND 3 28129 2 vej Svringe size ref Home 2 Home sensors Home Le Ti Le A 2 Keypad JP3 A 1 Pusher home sensors unit K1 Keypad Aitecs 2016 Service Manual 5 4 00 r e al A ELECTRICAL SCHEMATIC DIAGRAM OF THE PUMP CONTINUED es sany Od X OCA TOW SUIT VY TIN JOJSISOJ 041 LINA A IddiiS AAMOd TV OT ed we OCACT JN9 OCATI Jnd jno 13404 Zdi ON IT SIN AN Si j TFDU4101 D Y A Idd 1S AHMOd DNIHODLIMS TV OV AOM AS vor To DD LO 55 Aitecs 2016 Service Manual 7 3 MAIN ELECTRONIC BOARD COMPONENT LOCATION DIAGRAM C59 R 2 O DML c 7L_P JP19 cl O c37 CT cl ns LIS rg O s Pi do 1 C30 L a de 25 si cn EJ RACI I js Y 1 CC Er Aitecs 2016 Service Manual 56 7 4 DRIVE UNIT BOARD COMPONENT LOCATION DIAGRAM OI C20C2 C22 CISTI RITO LI R 99 Aitecs 2016 Service Manual 57 POWER SUPPLY UNIT COMPONENT LOCATION DIAGRAM 1 5 es CD C 4 7 od koja El L En
43. ter Check battery charge circuit and than 1 5A replace power supply unit 1f necessary BT06 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 BTO7 The battery 1s 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 1f necessary BVXX Bad variable Power off then on If failure code recurs replace MEB software or Main electronic board if necessary EEOO Cannot read write data from to external Power off then on If failure code EEPROM recurs replace Main electronic board if necessary FLOI Internal Flash timout Power off then on If failure code recurs replace Main electronic board if necessary Aitecs 2016 Service Manual 1 8 CODE FLO3 Internal Flash trap Power off then on If failure code recurs replace Main electronic board if necessary External NMI activated Power off then on If failure code recurs replace MEB software 1f necessary Stack overflow Power off then on If failure code recurs replace MEB software 1f necessary Stack upperflow Power off then on If failure code recurs replace MEB software 1f necessary Internal microcontroller trap activated Class Power off then on If failure code B recurs replace MEB software 1f necessary KYOI Keypad key has been depressed f
44. the syringe pusher 2 Disconnect the pusher home sensor unit 3 cable from Main Electronic board 15 3 Remove plate 45 4 Remove the retaining screws 53 58 lll 4 446464646464644464646464468660800008 Aitecs 2016 Service Manual 3 5 5 Carefully withdraw the drive 6 from the front case 6 Reassemble in reverse order 6 2 11 Pusher home sensor unit replacement 1 Disconnect the pusher home sensors unit s 3 cable from the Main electronic board 15 2 Remove the retaining screw 58 spacer 76 and pusher home sensors unit 3 NOTE If the carriage is obstructing access to the pusher home unit move syringe pusher 14 to appropriate position rotating motor shaft manually EE DD 3 Reassemble in reverse order NOTES 1 Attention Pusher home sensor unit s cable shall be plugged into JP6 receptacle on the Main Electronic Board 2 Make sure that shutter on the carriage passes freely through the slots of optical sensors not contacting them That shall be checked rotating motor shaft manually Aitecs 2016 Service Manual 36 6 2 12 Motor belt replacement 1 Pull off motor belt 5 from the bigger pulley 2 Remove the motor belt 5 3 Reassemble in reverse order 6 2 13 Motor unit replacement 1 Remove the drive Remove the motor belt 2 Remove the four screws 59 eight dampers 74 four spacers 75 and four washers 73 Remove motor unit 4 3 Reassemble i
45. ve the power supply unit Remove the switching power supply Remove the capacitor unit 2 Remove the screws 56 and 53 3 Remove case 28 Aitecs 2016 Service Manual A 5 4 Remove springs 40 lever 41 and lever 42 1f necessary 5 Reassemble in reverse order 6 3 11 Carrying handle replacement 1 Remove the screws 61 54 and washer 73 2 Remove carrying handle 43 3 Reassemble in reverse order Aitecs 2016 Service Manual 46 6 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 Front Case Assembly Process Torque Screw ISO 7049 2 9x13 B1000220 3 board Stage Description Component Description Part No Established Ea 180 4032 BI001030 2 TR Nm gt TF sews B1000243 2 INm Screw 180 7019 02 9x95 BI00219 2 0 7Nm _ 2 Secure pusher home Screw BN82428 3x10 B1000227 l 0 7 Nm sensor unit Secure encoder unit Screw BN82428 2 5x12 B1000205 2 05Nm Rear Case Assembly Stage Description Component Description Part No Qty Established Process Torque Secure power supply u
46. y to move to the other test 3 5 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 BACK softkey to return to TESTING menu Aitecs 2016 Service Manual 10 3 5 3 Drive sensors test This test enables checking of the following sensors pusher home pusher button grippers unlatch and syringe barrel Select Drive Sensors from the testing menu and press the OK softkey Home sensors can be checked moving pusher by means of the lt and gt soft keys and watching number of home zone indicated on screen Zone O should be indicated when pusher is at the rightmost position and zone number shall shift in order to 1 2 and 3 when moving pusher to the left Zone 3 indication shall appear not more than 10 mm from the rightmost position and shall be retained all the rest way to the left Pusher sensors can be checked pressing smoothly pusher button with finger and watching number of pusher zone indicated on screen grippers must be in open position While pusher button 1s released the zone C shall be indicated As pressure on button increases zone indication shall switch in order to B and C To check unlatch sensor open pusher grippers and make sure that status of unlatch sensor indicated on the display is OFF Press the UNLATCH softkey Grippers shall clo
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