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1. 6 11 Clearnng Diagnostic SON 6 12 E 6 13 Changing Rated Capacity of Battery 6 13 Viewing DG _ _ 6 14 _______ _ _______ 6 14 Viewing Battery and Total RUN 6 15 ACCE EC 6 15 Aae aee 6 16 Viewing Rate Calibration Information 2 242 20 0000000000000000 00000 n 6 17 6 17 6 18 4 6 18 Changing Main LED 6 19 Calibrating Channel Press UE INE 6 19 Viewing Temperature Calibration Information 2 21 0 10 0000 000000000 0000 0 6 21 Configuring Pressure System Auto Zero MERE nuna 6 23 Chapter 7 Illustrated Parts Breakdown 7 1 MOCC e mE 7 1 752 JST TU RI E _______ ____ 4_ 7 1 7 3 a i 7 1 7 4 7 1 18 Signature Edition Technical Service Manual MEDICAL SYSTEMS 4 List of Figures Figu
2. Propofol Diprivan Ranitidine Zantac Streptokinase Streptase Succinylcholine Anectine Theophylline Urokinase Abbokinase Vecuronium Norcuron 2 18 Signature Edition Technical Service Manual Directory CHECKOUT AND CONFIGURATION Map of Configuration Screens IVAC Signature Edition Technical Service Manual 2 19 Chapter 3 PREVENTIVE MAINTENANCE WARNING Failure to perform regular and 3 1 Introduction preventive maintenance inspections may result in improper instrument operation To ensure the pump remains in good operating condition regular and preventive maintenance inspections are required Regular inspections are not covered under any contract or agreement offered by ALARIS Medical Systems and must be performed before each use of the instrument by the user Use Table 3 1 PM Inspections to record the completion of preventive maintenance inspections These inspections should be performed yearly or as indicated by qualified technician or biomedical engineer The preventive maintenance inspections listed are recommended at a one year interval and should be performed in accordance with ALARIS Medical Systems requirements and guidelines A maintenance reminder will occur after 52 weeks unless the feature has been changed to select a different time interval or has been disabled These inspections are also intended to complement the i
3. treu 4 18 Foure 4 14 Main 4 19 4 20 Figure4 16 E 4 21 Figure 4 17 Flow Sensor Interface Block Diagram 4 23 Figure 5 1 Instrument Assembly Organization 5 4 Houe s a Leak SOO 5 22 Figure 6 1 Map of Diagnostics Screens 001 0 10 10002212122020000000 1 6 25 Figure 7 1 Case Assembly SINGLE CHANNEL or DUAL 7 5 Figure 7 2 Front Case Assembly SINGLE CHANNEL DUAL 7 11 Figure 7 3 Rear Case Assembly SINGLE CHANNEL DUAL 7 17 7 4 Label literature Assembly 7 23 Signature Edition Technical Service Manual ALARIS MEDICAL SYSTEMS List of Tables Table 1 1 1 6 Table 1 2 COMMON 21010 2 1 15 Table 1 3 CE CONS a gt 1 16 1 4 2 o 1 16 2 1 Configuration Options and Defaults seisseen 2 2
4. 5 21 RA NOUIS 5 21 T 5 21 5 6 4 Pressure Verification and Calibration 5 21 56 8 pi MI DU DUE 5 21 5 22 567 Hard Pressure Cal PIOC CONC NER RE T 5 23 Checking Pressure Calibration 5 23 qeu r PO 6 _ _____ _6__ ______ 5 24 227 G16 5 25 Viii Signature Edition Technical Service Manual ALARIS MEDICAL SYSTEMS 4 Chapter 6 Troubleshooting 6 1 6 2 6 3 6 4 6 4 1 6 4 2 6 4 3 6 4 4 6 4 5 6 4 6 6 4 7 6 4 8 6 4 9 6 4 10 6 4 11 6 4 12 6 4 13 6 4 14 6 4 15 6 4 16 6 4 17 6 4 18 6 4 19 E 6 1 Technical 6 1 POF __ _______ __ __6____ __ 6 4 6 9 ORO 6 9 Setting Preventive Maintenance Interval 00 2 0 00000 00000000000 6 10
5. 09 2 a 9 o AA CE OO COC D E 141777 FAA Page of 14 GROUND POST section SOME ITEMS NOT SHOWN FOR CLARITY Figure 7 4 Label Literature Assembly IVAC Signature Edition Technical Service Manual 7 23 ILLUSTRATED PARTS BREAKDOWN Figure 7 5 Item Part Number Description QTY 139518 1 702 139784 Foam top Single Channel 1 703 139785 Foam Bottom Single 1 701 139787 Box Single Dual Channel 1 702 139788 Foam Dual Channel 1 703 139789 Foam Bottom Dual Channel 1 NOTE If model is not specified the part can be used all versions 7100X 7100 7100F 7100G 120V VERSION 7101X 7101A 220V VERSION TO INSTALL FLOW SENSOR KIT INSTRUMENT MUST HAVE REV 2 44 OR HIGHER SOFTWARE ALARIS 2 Signature Edition Technical Service Manual 7 25 Directory
6. 1 5 ye M 25 A EEEE O 1 6 INT E GU E 1 6 201 EAEE E 1 7 Jr M o 555 1 7 qmm 1 7 0 42 Eos 1 7 1 4 NiCd Battery Capacity Information 22 2 0 0 0 02000202222110000000 h nnne nsns nnns ian nn 1 8 1 5 Monkorng M NR NR 1 9 1 6 Dala UNCON 1 11 1 49 01 E 1 11 PMS E cE E 1 11 1 72 Cable Rm 1 11 1 8 CaN ON Se 1 11 2220549 ________________________ 6 ___ 1 11 2 _ _______ E 1 14 R 1 14 1 9 1 16 0 20 1 16 WIZ SCAR ATG E 1 17 Chapter 2 Checkout and Configuration 2 1 A 2 1 2 2 0 6 BIN RR TT 2 1 2 3 2 3 2 4 2 3 241 Entering Configuration Ae T 2 4 2 4 Ean E 2 5 ALARIS Signature Edition Technical Service Manual V
7. cm Sx MEDICAL SYSTEMS NE cm n Sa a if m 1 i E 11 m v ly A a asd a Navigation Hel U S AND FOREIGN PATENTS ISSUED AND PENDING PATENTED UNITED STATES Patent 4 534 756 5 096 385 4 898 576 5 534 691 5 542 826 5 537 853 5 563 347 5 568 912 5 575 632 5 601 420 5 603 613 5 609 576 0367 527 D367 528 D371 144 D371 194 Patented Brevete 1 219 497 1 279 800 78 377 78 376 and 78 378 FRANCE Brevet No 0 121 931 0 431 310 0 248 632 951 426 951 427 and 951 428 GERMANY D P B No EP P3482620 3 3778211 8 08 M9501997 9 9 501 997 0 M9501995 2 and M9501996 0 GREAT BRITAIN Patent No EP 0 121 931 0 431 310 0 248 63 2 045 812 2 045 814 2 045 813 JAPAN 743 342 SWITZERLAND EP 0 121 931 0 328 163 0 328 162 0 248 632 122 210 12221 land 122212 Other U S and foreign patents issued and pending This document contains proprietary information of ALARIS Medical Systems and its receipt or possession does not convey any rights to reproduce its contents or to manufacture or sell any product described Reproduction disclosure or use other than for the intended purpose without specific written authorization of ALARIS Medical Systems is strictly forbidden This Technical Service Manual is subject to change without notification
8. m i du 1 Ensure PCB Board and mechanism installed in pump Route ground wires through cable clamps present and connect to the transducer 2 Route transducer cable blue under motor assembly out hae A ransmitter wire left side for CH A dual and Tie wrap 5 e 1 Se m out right side for CH B sin S 2o amp Ls gle Bend wire up and lay along mechanism w frame Connect to the main board 3 Route channel A air in line transmitter wire white up over motor and install tie wrap 5 with motor wires for CH A Connect to main board assembly 4 Route CH A receiver cable black out to left side of mechanism Route Loop ail transmitter cable white to the right of mechanism Connect both to main board Install tie Tie wrap 33 3 around both cables Ensure I B ail transmitter cable white and Receiver Cable receiver cable black has loop as shown 5 Route CH A rotation sensor cable out to right side and over back 4 bar mechanism Connect to main board Back 4 Bar 6 Route CH A latch sensor to Latch sensor Channel A left under back 4 bar Connect to main board Tie wrap 4 7 Connect C
9. PGE 1 Alteplase Activase y Aminophylline Amrinone Atracurium Tracrium Bretylium Bretylol Cimetidine Tagamet Diltiazem Cardizem y Dobutamine Dobutrex Dopamine Esmolol Brevibloc Heparin Methylprednisolone Milrinone Morphine Nitroglycerin Tridil Nitroprusside Nipride Norepinephrine Levophed Oxytocin Phenylephrine Neo Synephrine Potassium Chlor Procainamide Propofol Diprivan Ranitidine Zantac Streptokinase Streptase 65 Isoproterenol Isuprel Y Succinylcholine Anectine Labetalol Normodyne Trandate Theophylline 17 Lidocaine Xylocaine Urokinase Abbokinase 18 Magnesium Sulfate Vecuronium Norcuron 01 Janssen Parmaceutica Inc 1125 Trenton Harbourton Road P O Box 200 Titusville NJ 08560 0200 02 The Upjohn Company Kalamazoo MI 49001 03 Genentech Inc 460 Point San Bruno Blvd South San Francisco CA 94080 4990 04 sanofi Winthrop Parmaceuticals 90 Park Avenue New York NY 10016 05 Burroughs Wellcome Co 3030 Cornwallis Road Research Triangle Park NC 27709 06 pu Pont Multi Source Products The Du Pont Merck Pharmaceutical Company 1000 Stewart Avenue Garden City NY 11530 07 SmithKline Beecham Consumer Brands L P Unit of SmithKline Beecham Inc P O Box 1467 Pittsburgh Pa 15230 08 Marion Merrell Dow Inc 9300 Ward Parkway P O Box 8480 Kansas City MO 64114 0480 09
10. Table 1 2 Common Abbreviations active Low logic signal LCD liquid crystal display A ampere LED light emitting diode A D analog to digital converter Ig long A R as required MHz megahertz AC alternating current UA microamp Ah ampere hour UF microfarad AIL air in line microsecond cm centimeter mA milliampere cmH2O centimeters of Water min minute CMOS complimentary symmetry metal oxide ml milliliter semiconductor mm millimeter COML commercial mmHg millimeters of mercury C degrees celsius MOS metal oxide semiconductor D A digital to analog ms millisecond DC direct current MUX digital multiplexer die diameter N A not applicable DIP dual in line package NPN negative positive negative EEPROM electrically erasable programmable read only no nos number or numbers memory NU not used ELECT electrolytic capacitor OD outside diameter EMI electromagnetic interference Q Ohm EPROM erasable programmable read only memory P N part number ESD electrostatic discharge PCB printed circuit board EtO ethylene oxide gas pF picofarad F degrees fahrenheit PNP positive negative positive FET field effect transistor PR power regulator ft foot psi pounds per square inch H hexadecimal psig psi gauge Hex hexagonal PWB printed wiring board Hg mercury rms root mean square hr hour R R remove replace Hz hertz RAM random access memory IC integrated circuit RFI radio frequency interference ID inside diameter ROM read only memory in inch SCR
11. 3 To replace the LED modules Lift up on locking bar cable and disconnect Use fingers to push back snap fittings holding the upper LEDs only one on single channel then lift and remove Snap Fittings LED Channel B LED Channel A Snap Fittings Main LCD Module 4 To replace the Main LCD module Lift up on locking bar for flex cable and disconnect Use fin gers to push back snap fittings holding the Main LCD module then lift and remove 5 To replace the lower LCD module Lift up on locking bar for flex cable and disconnect Use fin gers to push back snap fittings holding the lower LCD module then lift and remove Lower LCD Module Snap Fitting MEDICAL SYSTEMS CORRECTIVE MAINTENANCE 6 To replace the mechanism a First separate the front and rear case halves following the procedure in Section 5 4 Disassembling Pump NOTE Pay close attention to cable routing when disassem bling the instrument The cables are specifically routed to ensure they are not pinched or stressed when reassembled b Move mechanism latch to the middle position This will allow the air in line sensor to clear the case when extracted c Disconnect wiring harnesses from the Main PCB Note their location They will be recon nected to the same location later in the proce dure d Using a flat head screw driver unsnap the three snap fittings to
12. CORRECTIVE MAINTENANCE 5 4 2 Disassembly Procedure for Cable Routing TOP Latch Cable Back 4 Bar Back 4 4 Cable 2 b _ 4 Rotation Cable XDCR Cable Rotation Cable Tie 3 Tie 41 AIL RCVR Cable XDCR Cable Tie 5 AIL XMTR Cable AIL RCVR Cable Lower LCD Flex Cable ART RS 232 Cable LL XMTR Cable ERA GND Wire by Batt Power _ Cable Cable GND Wire close attention to cable routing when disassem 3 Cut tie 3 ChB AIL transmitter white and bling the instrument The cables are specifically rout transmitter black ed to ensure they are not pinched or stressed when 4 Cut tie 4 for ChA motor Latch Rotation and reassembled Channel A ChA and Channel B ChB wires are routed in the opposite direction to connect AIL receiver white 5 Cut tie 45 for ChA motor and AIL receiver white to the board assembly Single channel pump routing 15 similar to Channel B ChB 6 Disconnect ChA and ChB transducer wires A Front Case blue from the board NOTE Exercise caution when removing connectors 7 Disconnect ChA and ChB ground wires black Pulling on wires
13. b Leave connected to AC for 24 hours to complete cycle 3 3 9 Reset Time a Enter Diagnostic Mode and advance to D2 page b Reset hours and minutes as needed from time reference See Setting Time in Diagnostics section NOTE Clock will lose about 3 minutes per month since it is not a true real time clock Once reset the previous loop will not be affectted or adjusted 3 3 10 Reset PM Due Enter Diagnostic Mode and go to D2 page Access PM Setup and reset PM Due by pressing lower left soft key BIO TEK Instruments Inc 4 3 6 Signature Edition Technical Service Manual MEDICAL SYSTEMS PREVENTIVE MAINTENANCE Table 3 1 PM Inspections I D Number Instrument Serial Number Ref Date Date Section Frequency Completed Completed Regular Inspection record every 12 months 3 3 1 Every Use Functional Test 3 3 2 12 Months Flow Stop Test 3 3 3 12 Months Rate Accuracy Verification Test 3 3 4 12 Months Pressure Calibration 3 3 5 12 Months Ground Current Leakage Test 3 3 6 12 Months Ground Resistance Test 3 3 7 12 Months Battery Refresh Cycle 3 3 8 12 Months Reset Time 3 3 9 12 Months I D Number Instrument Serial Number Ref Date Date Section Frequency Completed Completed Regular Inspection record every 12 months 3 3 1 Every Use Functional Test 227 12 Months Flow Stop Test 358 12 Months Rate Accuracy Verification Test
14. to advance to the page you want to configure NOTE FOR 7101X 7201X the default code will be 5B44 for instruments set to factory defaults instead of 2098 2 4 2 Setting to Defaults The Set To Defaults Mode programs all configuration items to their default values NOTE It is strongly recommended that you review Table 2 1 for a complete list of defaults before using this feature 1 Advance to the C2 page notice C2 in the upper right corner of the display 2 Press Set to Oefaul t soft key 3 Press to accept the change and return to the beginning of the C2 page Pressing C arie 1 Will leave all items set to their previous values and return to the beginning of the C2 page 2 4 Signature Edition Technical Service Manual Directory MEDICAL SYSTEMS CHECKOUT AND CONFIGURATION 2 4 3 Setting Language The language choices are English and Canadian French All operating displays will be in the language selected Diagnostic and configuration modes however will remain in English 1 From the C2 page press the Language soft key 2 Press and release the soft key to select for editing Press again to cycle between English and Canadian French for Models 7100 7200 For Models 7101 7201 the language choices are English French German Dutch Italian Swedish and Spanish 3 Press ak to accept the change and return to the beginning of the C2 page 2 4 4 Setting Air in Line Threshol
15. Check Optics Replace mechanism Replace Main PCB Return to factory MOTOR TOO FAST Motor running too fast MOTOR TOO SLOW Motor running too slow or not running MTR CURR SENSE Motor current sense failed Replace mechanism Replace Main PCB Return to factory Reseat PM BD in socket Replace Main PCB Return to factory Reseat PM BD in socket Replace Main PCB Return to factory Reseat PM BD in socket Replace Main PCB Return to factory PM BAD COMMAND Battery manager or SCU error UW N PM BAD CRC Battery manager of SCU error WU N PM ERROR Battery manager error Start up or shutdown UW N PRESSURE CAL REQ Pressure Calibration required Perform pressure cal soft Perform pressure cal hard Replace mechanism Replace Main Return to factory Signature Edition Technical Service Manual 6 5 gt Mm MEDICAL SYSTEMS Table 6 2 Error Messages cont Message Probable Cause Remedy PRESSURE ERR Pressure sensor test test pulse failed Try another set Check for downstream occlusion Perform pressure cal soft Perform pressure hard Replace mechanism if 0 or 4095 5 Return to factory PRI SPEAKER ERR Primary audio failed Replace speaker and check connections Check flex cable to Main PCB connected Replace Main PCB Return to fac
16. Directory CORRECTIVE MAINTENANCE 1 Using a Phillips screw driver remove screw from Power Cord Retainer on the rear case then remove the power cord and power cord retainer 2 Lift and remove the battery cover Power cord Power cord retainer Power cord retainer battery cover screw Battery cover 3 Pull battery from battery compartment discon nect the battery NOTE If replacing battery ensure battery run time 15 cleared in Diagnostic Mode Battery compartment Battery Battery connection Access Holes 4 Press on cutouts to pop off cap for handle from inside between handle and case to access two screws to open unit Remove the two screws using a Phillips screw driver Signature Edition Technical Service Manual 5 5 gt Directory 4 CORRECTIVE MAINTENANCE 5 Remove the battery to get the hidden case screw inside the battery compartment Remove the 5 Battery compartment Hidden case screw 6 Remove remaining case screws 6 for dual 4 for single Case Screws 7 Lay pump down 8 Position pole clamp knob down 9 Lift rear case to access the inside of the pump Pole clamp knob 4 5 6 Signature Edition Technical Service Manual Dire ctory MEDICAL SYSTEMS CORRECTIVE M
17. NOTE When the POWER key is pressed it will display Press and hold key to turn off 3 Press the turi soft key to return to the D5 page MEDICAL SYSTEMS 54 6 18 Signature Edition Technical Service Manual TROUBLESHOOTING 6 4 16 Changing Main LCD Contrast 1 the D5 puse press the LCD sop t soft key 2 Press the soft key next to the contrast number to highlight 3 Use the numeric key pad to enter the desired LCD contrast the contrast range is 1 to 256 Press ENTER NOTE Decreasing number lightens contrast 4 Press to accept the changes and return to the beginning of the D5 page 6 4 17 Calibrating Channel Pressure You will need to install a Pressure Cal Set P N 70155 to apply pressure to each channel Allow the instrument to warm up for a minimum of 1 hour while in the Diagnostics Mode 1 On the D6 puse press H Pressure ortal The display will show ori DSE depending on which channel was selected N Both 0 and 500 should display a number and Fass Sensor should have a value between 30 and 80 mmHggS If 5 appear or the sensor reading is out of range the instrument will require soft pressure calibration see Chapter 3 for setup MEDICAL SYSTEMS ALARIS Signature Edition Technical Service Manual 6 19 Directory a Adju
18. After pressure calibration the reading shown in the diagnostic mode for the sensor is corrected for any Offset stress from loading the set outside of the pressure sensing area When the set is installed with dome intact the instrument looks for an increase in stress greater than 55 mmHg with auto zero enabled gt 90 mmHg AIL GATE COMBO IC Digital Output TEST AIL DRVP A B AIL RCV A B Signal Receiver COMBO IC x Ultrasonic and Latch Digital Input onage DRVN Sensor e Controlled Oscillator Figure 4 12 Pressure Sensor Interface Block Diagram COMBO IC PRES Pressure PRES Inverting PRES_SIG_A B 12 Bit A D Digital Output Transducer Buffer Converter tutem Assembly ARIS MEDICAL SYSTEMS Signature Edition Technical Service Manual 4 17 5 with auto zero disabled Drift is checked periodically to ensure the transducer 15 accurate If not a Cal Reqd message will appear This is done by asking the operator to remove the set before powering down the instrument The time period of this test Is selectable in the diagnostic mode under the Self Check timer PRES TST A B is used to take the transducer out of balance by inducing a known positive offset This is the means by which the transducer is tested The Cal Reqd message will appear if transducer shifts more than 170 coun
19. Factory Set Factory Set Config Name 4 alpha numeric characters 4 alpha numeric characters IVAC 0 1 to 20 0 ml h 0 1 to 20 0 ml hr 5 0 5 0 ml hr Languages English Canadian French English French German Dutch English English Italian Swedish Spanish LCD Contrast 1 to 256 1 to 256 127 127 Set in Diagnostics Mode Maximum Rate 0 1 to 999 9 ml hr 0 1 to 999 9 ml hr 999 9 ml hr 999 9 ml hr Optional Features Panel Lock On Off On Off On On VTBI On Off requires optional flow sensor On Off requires optional flow sensor On On Resistance Trend Graph On Off On Off On Alert On Off On Off Off Optional Modes Loading Dose On Off On Off On Dose Rate On Off On Off On Multi Step On Off On Off Off Off Multi Dose On Off On Off Off Periodic Maintenance Set in Diagnostics Reminder On Off On Off On Interval 1 to 52 weeks 1 to 52 weeks 52 weeks 52 weeks Self Check Timer 1 to 52 weeks 1 to 52 weeks 12 weeks 12 weeks Set in Diagnostics Mode Set Time Set in Diagnostics Mode SEE TABLE 2 2 Revision 2 44 Software above Has Flow Sensor Board 1 1970 00 00 JAN1 1970 00 00 2 2 Signature Edition Technical Service Manual Directory ARIS MEDICAL SYSTEMS CHECKOUT AND CONFIGURATION 2 3 Start Up De
20. Figure 4 4 Battery Manager Block Diagram AC SUPPLY P r VOLTAGE CURRENT ANALOG CIRCUITS AC POWER SENSOR ON OFF SWITCH 4 5 2 AC Off Line Switcher NOTE Refer to Figure 4 5 Battery Monitor and Figure 4 6 Main Power Supply when following Sections 4 5 2 through 4 5 17 The AC Off Line Switcher is an AC to DC power converter capable of running the instrument and supplying 22 24V 1 5A to the battery charging circuit from an input of 85 264VAC 50 60 Hz module has foldback current limiting to protect against output shorts It contains two input fuses which are designed for worst case hospital line transients and they will only blow if there is a fault in the module There are no user adjustments in the module 4 5 3 Battery Charge Regulator The battery charger circuit is a step down buck type switching regulator 020 028 configured to provide a constant current of 1A through the battery whenever the charge control signal CHARGE 15 low The input to the battery charger regulator is DC INPUT which is generated by the off line switcher between 22 24V The circuit measures the battery charge current through a 0 1 ohm resistor R29 R43 between the battery and P ground This voltage is amplified ON OFF DC DC CONTROL CONVERTER LOWER LCD DISPLAY WATCHDOG MAIN CPU BATTERY MANAGER and sent to the feedback input of the switching regulator
21. Table 2 2 BODAS E AEA EE 2 7 Table 2 3 Record of Configured ERARE PERERA 2 17 Table 3 1 d NL su ____ ____________6____ 3 7 Table 4 1 WS m 4 3 Table 4 2 Banen EPO e E E 4 8 4 3 Motor Seni Noo c _ 4 15 Table 5 1 ea ______ _ _ 6 6 _6_6_ _6_6_6_6__ _______ 5 1 Table 5 2 ine 5 25 Table 6 1 T chnical Troubleshooting T 6 2 Table 6 2 2605 M 6 4 Table 6 3 Battery Manager Error Codes 22 2000211000000011100000001 1 AE 6 8 18 Signature Edition Technical Service Manual MEDICAL SYSTEMS Chapter 1 GENERAL INFORMATION NOTE The changes from 7100F 7200F to 7100G and 7200G are software only added event log auto zero enable disable and real time software clock NOTE The 7101 7201 Keypad uses symbols instead of words NOTE Refer to the ALARIS Medical Systems Warranty before servicing the pump Any attempt to service an ALARIS Medical Systems instrument by anyone other than an authorized ALARIS Medical Systems service representative may invalidate the ALARIS Medical Systems Warranty ALARIS Medical Systems offers a variety of repair a
22. led within the LED module The AC LED signal will be about 1 5 to 2 4V when the LED is on 4 5 7 System Power Source Select The system power source DC DC SOURCE is used to drive three switching power supplies It is controlled by the Battery Manager through the signal PWR ON When the instrument is on the DC DC SOURCE is normally supplied by either the battery or the AC off line switcher if the instrument 4 4 8 Signature Edition Technical Service Manual MEDICAL SYSTEMS FUNCTIONAL DESCRIPTION 5 plugged into AC The Battery Manager disconnects the AC source during the battery refresh cycle When the Battery Manager asserts PWR_ON high 024 041 will turn on If PWR AC is high Q7 025 will turn on and DC DC SOURCE will be supplied by the DC INPUT If PWR is high Q8 027 is on and DC DC SOURCE will be supplied by the battery 4 5 8 Battery Voltage Monitor The battery voltage can range from 10 to 18V The Battery Manager monitors the battery voltage through its internal A D converter The valid input range of the A D converter is O to 4 1V The battery voltage must be reduced to meet the input requirements The 4 1V reference and the voltage subtracter multiplier amplifier circuit U29 5 U37 5 scale the battery voltage and maintain an accuracy of 15 counts 1 count 1mV The Battery Manager uses the battery voltage for its charging battery gauge error detection and battery ala
23. level or pump output pressure exceeds programmed limit All alarms provide visual and auditory signals to alert the operator Accuracy of fluid delivery is a function of the microprocessor controlled rotation cycle of the camshaft and the administration set section compressed by the cam followers 4 3 Overview The instrument contains one Main PCB and several modules that interface to it The interfacing modules are as follows e LED module Graphic LCD module MAIN Lower LCD module e Battery e AC Off Line Switcher Keypad e Nurse Call RS 232 board e Motor e Air in line sensors e Pressure module Motor rotation sensor and the mechanism latch detector optocouplers e ECD board The instrument power is supplied through the AC Line Switcher module and the battery The Main PCB contains all the control circuitry required for the instrument The board can be broken down into four main sections kernel power system motor drive and sensor control and user interface circuitry a The microprocessor RAM ROM data communication and COMBO IC make up the heart of the system These are collectively referred to as the kernel The kernel is responsible for controlling the motor actuation sensing and responding to user input monitoring various system sensors and performing start up and on going system operational testing b The power system is responsible for charging the battery genera
24. part number you receive may not match the one you requested but will be interchangeable unless otherwise noted For technical inquiries Address ALARIS Medical Systems nc Attn Technical Support 10221 Wateridge Circle San Diego California 92121 Telephone 619 458 6003 for Technical Support 800 854 7128 Extension 6003 USA only FAX 1 619 458 7507 Parts Ordering Address ALARIS Medical Systems nc Attn Customer Service 10221 Wateridge Circle San Diego California 92121 Telephone 1 800 482 4822 MEDICAL SYSTEMS n Signature Edition Technical Service Manual 7 1 Directory gt ILLUSTRATED PARTS BREAKDOWN Start Up Kits and Other Parts Item Part Number Description QTY 139070 139071 133450 136111 141807 301044 7OISS 7ORCS MODIFICATION 140900 141153 142311 142312 141154 141155 Kit Start Up 71006 contains the following 7100G only Memory Assy Rev 2 06 or higher Item 005 Main Keypad Assy Item 040 Power Supply Item 060 Battery Cable Interface Item 61 LCD Module Item 80 lower LED Module Item 100 Case Front Single Channel Item 250 Case Back Single Channel Item 300 Single Channel Case Seal Item 399 Feet Item 416 Handle Cap Item 435 Serial Number Replacement Label Item 603 Name Rating Label Item 606 Start Up Label Item 608 Kit Start Up 7200G contains the following 7200G only Memory Assy Rev 2 06 or
25. 2 hours after Fast charge The next charge phase Top up is designed to finish the charge and to bring all individual cells to the fully charged state essentially rematching them Refer to Section 1 3 2 for Fast Charge and Top up Charge information If the Top up charge is not completed then the cell mismatch is not reduced and the cumulative capacity reduction occurs Top up is a 3 hour charge but the elapsed time to complete it may be over 5 hours as the charger is turned on and off to keep the battery cool during that time e BATTERY ALARM VOLTAGE The battery alarm voltage is the voltage at which the instrument stops operating and generates an alarm to tell the user to plug it into AC line As noted in the ideal discharge condition the end of discharge is determined by 0 9V cell Under perfect conditions a battery of 10 cells connected in series would reach the end of discharge at 9 0V However cells are not perfectly matched so some will reach 0 9V before others The problem occurs when a cell in series with other cells can go below 0 9V and actually can go into cell reversal which permanently damages the particular cell On the other hand increasing the alarm voltage to compensate for imperfectly matched cells results in reduced runtimes with available capacity The user sees this as premature low battery warnings and alarms The way the instrument deals with this is to increase the alarm voltage to guarantee the battery is
26. 232 serial communications is supported by a Limit resistor R1 converts the RS 232 signal levels UART Universal Asynchronous Receiver Transmitter which is located inside the COMBO IC The UART is equivalent to an Intel 8251 The UART s outputs drive interface U22 U45 which converts the logic nominally 6V to match the input signal range required by U1 NOTE The RS 232 board in the International version 15 isolated and hence cannot have trhe Nurse Call option 5 Audio Tone Osc Audio Ti Figure 4 2 COMBO IC Block Diagram Audio Tone BKGNDARPT Timer pur Motor Timer TIMERI OUT Motor Timer TIMERO OUT RENE im gt PWMI_OUT6 5 _ 6 5 PWM3 PWM3 OUT6 5 2 PWM2 OUT6 5 an gt PWM5 LCD Contrast 191 161 LCDPWM PWM4 LCD Backlight ee 7 0 AD7 0 Bus Interface 19 16 DataCRC DMARQO Generator LCD D7 0 LCD es 0 LCD Bus LCD WR Interface RAM Test RAMCS 07 00 Circuit IN 17 10 Input IN 33 30 OUT 27 20 Ports Output OUT 36 34 Ports A A 5 5 gt gt UART Y Figure 4 2 b COMBO Block Diagram M __ solation Rxd Pwr Rxd Iso Rxd Nonisolated Optical Isolated 50 X ____ a Interface gt Isolator interfac
27. 3 3 4 12 Months Pressure Calibration 3 35 12 Months Ground Current Leakage Test 3 3 6 12 Months Ground Resistance Test 587 12 Months Battery Refresh Cycle 3 3 8 12 Months Reset Time 3 3 9 12 Months I D Number Instrument Serial Number Ref Date Date Section Frequency Completed Completed Regular Inspection record every 12 months 3 3 1 Every Use Functional Test 33 2 12 Months Flow Stop Test 359 3 12 Months Rate Accuracy Verification Test 3 3 4 12 Months Pressure Calibration 529 5 12 Months Ground Current Leakage Test 3 3 6 12 Months Ground Resistance Test 3 3 7 12 Months Battery Refresh Cycle 3 3 8 12 Months Reset Time 3 3 9 12 Months ALARIS MEDICAL SYSTEMS Signature Edition Technical Service Manual 3 7 Chapter 4 FUNCTIONAL DESCRIPTION 4 1 Introduction This chapter describes the mechanical and electrical systems that comprise the instrument The Main PCB for both the single and dual channel instrument is a double sided multi layered Surface Mount Technology SMT board If a board 15 determined to have failed it can be replaced or the unit can be returned to ALARIS Medical Systems for repair ALARIS Medical Systems does not provide replacement components for repair of SMT boards nor does ALARIS Medical Systems recommend attempting field service of the instrument s SMT circuit boards Full Schematics are not included with this service manual The board only be replaced in p
28. 4 6 Main Power Supply when following Sections 4 5 2 through 4 5 17 NOTE The charger will turn off if the battery gets too hot 237 to let the battery cool down Cool down time is not included in the 180 minute charge time NOTE The instrument s operation when the battery 15 disconnected is the same as the Battery Manager generating the SHUT DOWN signal and requires the instrument to be plugged into AC after the battery has been reconnected NOTE The tests to be performed on a just repaired instrument depend on the level of repairs made to the pump NOTE Instrument configuration will not be lost when disconnecting power However history and infusion program settings may be lost If you want to save event log record before proceeding NOTE The instrument will not run with battery disconnected 4 1 12 Signature Edition Technical Service Manual MEDICAL SYSTEMS ARIS 4 NOTE The instrument will attempt to refresh the battery when it is first installed This refresh may take in excess of 24 hours if the instrument is turned on NOTE If replacing battery ensure battery run time is cleared in Diagnostic Mode NOTE Do not remove cover from back of power supply board If it s loose reinstall with RTV NOTE Single channel pump routing is similar to Channel B ChB NOTE Exercise caution when removing connectors Pulling on wires can break them Wires and connectors must
29. 7201 or flow sensor modification Rate Accuracy 5 typical at 30 delivery container head height RFI Tolerate gt 10 V m across frequency range Temperature Operating above 30 C extended periods will reduce battery life Volume to Infused Range 0 1 to 9999 9 ml in 0 1 ml increments primary 0 1 to 999 9 ml in 0 1 ml increments secondary 0 1 to 999 9 ml in 0 1 ml increments loading dose 0 1 to 9999 9 ml in 0 1 ml increments dose rate 0 1 to 999 9 ml per step in 0 1 ml increments multi step 0 1 to 999 9 ml per dose in 0 1 ml increments multi dose Warnings e Battery Low e Multi Step Complete e Checking Line e Resistance Alert e Computer Control Released e Secondary Complete Dose Complete e VIBI 0 e oad Dose Complete MEDICAL SYSTEMS Signature Edition Technical Service Manual Directory 1 3 Battery Management System This section contains general information on the battery management system Included is information on how the Battery Manager monitors and maintains the battery controls the power on off for the rest of the instrument and provides support functions for the main processor Refer to Chapter 4 for more detailed functional descriptions The battery management system consists of the Battery Manager IC and various sensors and signal processing circuits The Battery Manager IC Rev 3 06 is a custom programmed microcontroller that performs the followi
30. Calibration Set 7ORCS NOTE The disposable set 7ORCS cannot be used for c If the rate accuracy falls outside a 40 ml 4 iris than rate accuracy verification runs 20 rate range less than 38 4 ml or greater than 41 6 ml return the instrument to ALARIS Medical Systems for repair or replace the mechanism 5 7 Level of Testing Guidelines The following tests should be performed whenever the pump is updated repaired or checked out in response to anything that would impair the opera NOTE If unit operation is at all doubtful perform a complete PM procedure This table provides minimum tion of the pump For details see Chapters 3 and 5 test requirements Table 5 2 Level of Testing Guidelines E d 25 NELLE 15 06 0 5 6 6 v id B Perform test Fe GG ol 2 2 T IT 2 ac Uu X Optional a 2 5 5 2 5 22 2 55 FT v 21515 5 55 SIS 212 2 5255 2 WY T2 2202 gt 6 Battery Replaced Case Replaced EN X X E E X LED Module Replaced X Lower LCD Module R R B B X Main Board Removed Replaced E EH EH NH X Main LCD Module R R ES X Mechanism Re
31. Equipment IEC 529 1989 Classification of Degrees of Protection Provided by Enclosures N Attention consult accompanying documents RS 232 R5232 Connector 8 Nurse 801 2 Electromagnetic Compatibility Industrial Process Measurement and Control Equipment Part 2 Electrostatic Discharge Requirements IEC 801 3 Electromagnetic Compatibility for Industrial Process Measurement and Control Equipment Part 3 Susceptibility to Radiated Electromagnetic Energy IEC 801 4 Electromagnetic Compatibility for Industrial Process Measurement and Control Equipment Part 4 Electrical Fast Transient Burst Requirements IEC 801 5 Electromagnetic Compatibility for Industrial Process Measurement and Control Equipment Part 5 Voltage Surge Immunity Requirements FCC Docket 20780 Part 15 Class A Accessories with Information on Sets and Set Materials NAFTA 99 Standards for Health Care Facilities 54 1 16 Signature Edition Technical Service Manual MEDICAL SYSTEMS 1 9 2 Declaration of Conformity 7101 7201 DECLARATION OF CONFORMITY TO MEDICAL DEVICES DIRECTIVE 93 42 EEC Manufacturer ALARIS Medical Systems Inc Address 10221 Wateridge Circle Drive San Diego CA 92121 2733 Device Model 710X 720X Family Infusion Pumps and associated sterile IV administration sets Device Options Model 180 Flow Sensor w Flow Sensor Handle Cap We herewi
32. Hz signal begins to oscillate the watchdog outputs WD_OUT and WD_OUT will be deactivated The one shot U36 9 046 13 keeps its output Q high as long as the falling edges of the signal 10 are faster than the pulse width of the pulse generated by R245 R323 and C49 C67 which is 105 to 220 ms The Q output of the one shot U36 12 U46 4 disables the second one shot U36 13 U46 5 The second one shot is only enabled when the watchdog is in alarm Figure 4 7 System Watchdog 4 MHZ RESONATOR 32 768 KHZ MANAGER U34 U40 10 R245 R323 C49 C67 U36 U46 PWR_SW_VAO A B When 10 is not oscillating the one shot U36 5 046 13 will not trigger therefore output 15 low and Q is high The watchdog outputs WD OUT and WD OUT are activated until the Battery Manager releases them by generating the 10 Hz output The NCALL signal is also brought low because WD OUT turns on 035 049 Whenever the 10 Hz stops oscillating and is high a watchdog error has occurred within the Battery Manager itself The 10 Hz signal being high prevents clock pulses to U36 9 U46 1 and the one shot to time out so the output Q WD OUT goes to zero and Q WD OUT goes to a high Once WD OUT is high the second one shot U36 13 U46 5 is enabled If the user presses either on off switch U29 10 U42 10 output will go high sending a 4 to 11 ms pulse to th
33. Leave 2 inches of tubing at the top and bottom Cut membrane on backside of AccuSlide clamp at bottom of pumping segment Use knife or other appropriate tool and cut an X into the membrane to relieve pressure that will build up during testing Move AccuSlide clamp up to open position Fill lower portion of tubing with RTV Do not let RTV enter the dome area Allow to dry 48 hours Move AccuSlide clamp down until it clicks into the closed position and install test set into the instrument Select rate and run for desired time period e g 100 ml hr for 15 minutes Remove test set 2 Segment AccuSlide Clamp OPEN AccuSlide Clamp CLOSED Place X cut here on backside Dome on backside 2 Segment of RTV Instrument Stand Heservoir Air Pressure Source MEDICAL SYSTEMS CORRECTIVE MAINTENANCE 5 6 7 Hard Pressure Cal Procedure front case using the case bosses for alignment 1 Ensure warmup of two hours minimum For a dual channel instrument route the long ground wire into the corner of the case boss 2 Leave unit on and connected to AC power and battery Ensure that ground wires do not rub against mechanism 3 Follow procedure to disassemble instrument 11 Place rear case onto front case while watching There is case screw inside battery compartment all
34. Lilly Company Lilly Corporate Center Indianapolis 46285 10 Anaquest Inc 110 Allen Road Box 804 Liberty Corner NJ 07938 0804 11 Schering Corporation a wholly owned subsidiary of Schering Plough Corporation Galloping Hill Road Kenilworth 07033 12 Allen amp Hansbury Division of Glaxo Inc Five Moore Drive Research Triangle Park NC 27709 3 Astra USA Inc 50 Otis Street Westboro MA 01581 4500 14 Elkins Sinn Inc 2 Esterbrook Lane Cherry Hill NJ 08003 4099 15 Stuart Pharmaceuticals A business unit of Zeneca Inc Wilmington DE 19897 USA 16 Glaxo Pharmaceuticals Division of Glaxo Inc Five Moore Drive Research Triangle Park NC 27709 17 Abbott Laboratories Pharmaceutical Products Division North Chicago IL 60064 U S A 18 Ohmeda Inc Pharmaceutical Products Division 110 Allen Road Box 804 Liberty Corner NJ 07938 0804 ALARIS 2 Signature Edition Technical Service Manual 2 7 Directory 2 4 6 Setting Maximum Rate This sets the maximum rate selectable by the clinician The range for Maximum Rate is 0 1 to 999 9 ml hr 1 Advance to the C3 page 2 Press Haximam Rate soft key 3 Press and release soft key to select editing 4 Use the numeric keypad to enter the maximum rate Press ENTER 5 Press mk to accept the change and return to beginning of the C3 page NOTE Setting the Maximum Rate below the preset KVO Rate will lower the KVO Rate The KVO
35. MEDICAL SYSTEMS 2 44 Setting Air in Line Threshold 2 5 OMCs Fae ______ _ _________ _ 6_6_6_6_ _ __ 2 6 0 _ _ __ _____ __ __6_6___ 2 8 243 2 8 24o TIONS MONES 2 9 2 49 Setting 2 10 LAIO 52165 _____________ 2 12 2411 Seting Dynamic Monitonng PP Gru Pod UM 2 13 re Dmm 2 14 PANS Sening eese 2 14 2 5 Transferring Settings to Another Pump 0111 0 1111 2 15 251 Teacherlearner _______ _ ____ 6_6 2 16 2 NEM POPUD E 2 16 Chapter 3 Preventive Maintenance 3 1 3 1 3 2 SIV mM __ _4______ ____ _____ _ 6_ 6_ ___ 3 1 Rc _ 3 1 LAC no MT 3 2 3 3 Preventive Maintenance Inspections 889 nnn 3 3 221 _ ________ _ 3 3 22 senos MIC m 3 3 RUE I eee ere 3 4 334 RateAccuracy
36. SWITCHER AND LOGIC GIVES CURRENT Figure 4 6 Main Power Supply AC_PWR AC LINE AC LED AOD BKLT Q15 Q47 047 NS VMOTOR 23V VOLTAGE 72 021 026 VNEG 15 VOLTAGE REG DC_DC_SOURCE U16 U30 5 ADVREF_RAW eV VREF AAV U41 U2 OFFLINE gt 6VAO VBKUP SWITCHER 4 8V 5 5 85 264 50 60 HZ INPUT AR VOLTAGE 1 REG 5 5V U43 VAO SOURCE 7 6 24 VOLTAGE REG SHUT DOWN BST Hes VBKUP SRC VBKUP SRC Signature Edition Technical Service Manual 4 11 ALARIS MEDICAL SYSTEMS Directory 4 5 17 System Watchdog The system watchdog provides a monitor on the operation of the main processor and the Battery Manager It also provides an independent clock signal to the main processor for continuous comparison with the main time base The Battery Manager controls an output signal 10 Hz that performs multiple functions The 10 Hz has three states continuous high continuous low or oscillating at 10 Hz 10 15 continuously low when the instrument 15 off or a watchdog error has been caused by the main processor 10 is continuously high whenever the Battery Manager detects an error within the Battery Manager itself 10 Hz oscillates at 10 Hz when the instrument Is on and no watchdog errors have occurred When the 10
37. Temp Cal message when in pressure calibration soft NOTE As a result of continuing product development the part number you receive may not match the one you requested but will be interchangeable unless otherwise noted 1 8 2 Cautions CAUTION use only ALARIS Medical approved batteries due to Battery Manager requirements and the thermostat contained in the battery assembly CAUTION Dispose of or recycle battery following hospital protocol Refer to your institution s operating procedures your state s EPA guidelines for disposal of battery or contact Rechargeable Battery Recycling Corporation RBRC at 1 800 822 8837 CAUTION Keep latch closed when instrument 15 not use CAUTION when there is no AC power available do not replace dead battery for the purpose of re powering the instrument The instrument will not operate unless it 15 first connected to AC power after battery replacement CAUTION Alcohol will cause the key pad to crack over time CAUTION not connect ground resistance probe to pressure transducer CAUTION avoid serious damage to the board assemblies use extreme care and always use proper static grounding techniques CAUTION Do not mix mechanisms in dual channel or with other instruments When a mechanism is removed it must go back in the original position or the pump will need hard and soft pressure calibration as well as rate calibration CAUTION use only ALARIS Medical ap
38. Threshold ul ul ul ul ul Reset Maximum Rateml hr ml hr ml hr ml hr ml hr ml hr Computer Link Mode Baud Rate Parity Optional Modes Loading Dose Dose Rate Multi Step Multi Dose Optional Features Panel Lock Resistance Trend Multi Dose Alert KVO Rate ml hr ml hr ml hr ml hr ml hr ml hr Monitoring Options Mode Display Restarts Alert Audio Volume Trans Tone PM Reminder PM Interval Accessed through Diagnostic Mode Refer to Section 6 4 1 Entering Diagnostics Mode ALARIS 2 Signature Edition Technical Service Manual 2 17 Directory RECORD OF CONFIGURED ALARIS Medical Systems SE INSTRUMENTS Hospital Unit DRUG NAME OPTION TRADE NAME NOT SELECTED SHORT LIST EXTENDED LIST Extended List Access DRUG Alfentanil Alfenta Alprostadil Prostin PGE 1 Alteplase Activase Aminophylline Amrinone Inocar Atracurium Tracrium Bretylium Bretylol Cimetidine Tagamet Diltiazem Cardizem Dobutamine Dobutrex Dopamine Intropin Esmolol Brevibloc Heparin Isoproterenol Isuprel Labetalol Normodyne Trandate Lidocaine Xylocaine Magnesium Sulfate Methylprednisolone Milrinone Morphine Nitroglycerin Tridil Nitroprusside Nipride Norepinephrine Levophed Oxytocin Phenylephrine Neo Synephrine Potassium Chlor Procainamide
39. Verification 3 4 Pre Ure CN lO ERR 3 5 mm 3 6 22 1000 CERNI 3 6 MUT 3 6 3 6 DALAI EE 3 6 Chapter 4 Functional Description 4 1 cise E 4 1 4 2 4 1 4 3 SPI 4 2 4 4 4 4 Vi Signature Edition Technical Service Manual ALARIS MEDICAL SYSTEMS 4 4 1 Processor Kernel 12 6 1 e s ra a s sa e s saga eg a gae giai 4 4 4 4 E 4 4 gaa 4 4 5 4 5 AAG RLI IIIS RERO 4 5 44 7 0041510202101 222 ONIY 4 5 4 5 ee e Y 4 6 4 6 E 4 7 2505 Baten Charge REgUIOTOT 4 7 RO ee A E E 4 8 AaS AD U ON ae 4 8 AC 2c A
40. ability to remove these supplies from the battery load This circuit is designed to protect the battery by preventing the battery from getting fully discharged The Battery Manager generates the signal SHUT DOWN to remove the VAO SOURCE from the battery load When the SHUT DOWN command has been given the Battery Manager will lose power as well as the RAMs and Lower LCD display This power will only be restored when AC power is connected NOTE The instrument s operation after the battery is disconnected is the same as the Battery Manager generating the SHUT DOWN signal and requires the instrument to be plugged into AC after the battery has been reconnected When the SHUT DOWN signal is asserted low 037 Q39 will turn off which opens the path from the battery to VAO SOURCE 4 5 6 AC Line Sense The AC power sense circuit detects the presence of AC power and notifies the user and the Battery Manager of its status The DC INPUT is the output of the AC Off Line Switcher and should be between 22 to 24V When the input voltage INPUT reaches at least 15V the circuit will recognize that AC has been plugged in When AC power is detected the AC LED on the LED module is lit and a status input to the Battery Manager AC PWR is asserted high The circuit is designed to switch off the LED quickly when AC power is removed When INPUT is at least 15V the voltage through the sense circuit is high enough to turn on the AC
41. be replaced as part of an assembly They cannot be repaired separately NOTE When removing flex cables carefully lift locking bar to remove cable from connector NOTE Pay particular attention to wire routing Wires should be routed back to initial scheme and similar to the example shown This will prevent them from getting pinched and the mechanism NOTE The large capacitor for the backup speaker may be discharged before removing the board Jumper across terminals of capacitor C 146 C 179 for one minute See Troubleshooting Section for more information NOTE Pay close attention to cable routing when disassembling the instrument The cables are specifically routed to ensure they are not pinched or stressed when reassembled NOTE Keypad pictures are for reference only and may not match your instrument NOTE Cable routing may change over time to ensure wires are not pinched and ease of assembly and disassembly is maintained When the pump was opened if the cable routing was different follow that cable routing scheme NOTE Calibration coefficients for the transducer are stored in the EEPROM on the main board assembly Once they have been calibrated the Signature Edition mechanism and board assemblies become a matched set Replacement of either requires pressure and rate calibration NOTE Pay close attention to cable routing when disassembling the instrument The cables are specifically routed to ensure th
42. calendar time and 15 displayed to the nearest week NOTE Pressing the Reset PM Due soft key resets the PM Due to the displayed PM Interval NOTE If AC and battery power are disconnected from the instrument alarm and error history may be lost NOTE The only situation that the clock will not run 15 on loss of power When viewing the alarms the time will not be updated until exiting this page NOTE Battery voltage will flash when updated by software NOTES See Chapter 3 for specific rate accuracy verification testing If the rate verification fails see chapter 5 rate calibration procedure with software 2 02 and higher NOTE Battery is rated at 1 8 Ah under ideal conditions 1 3 Ah will be entered here to help compensate for uneven cell capacity and ensure getting a low battery alarm with 30 minutes or more use on battery NOTE The ID Number can be up to 9 digits NOTE When the ON OFF key is pressed while pump 15 on it will display Press and hold key to turn off NOTE The hard cal procedure is in Chapter 5 NOTE Perform TEMP CAL message means TC 0 0 in Adjust Section This may occur when main board is replaced NOTE Measured Tc may be all dashes or show a number Selected Tc must be 0 0 if software 15 2 02 and higher MEDICAL SYSTEMS ARIS Signature Edition Technical Service Manual 1 13 gt NOTE Selected Tc 0 0 with software is 2 02 or higher If not will get Perform
43. circuits of the pump will enable repair replace ment and calibration to be accomplished more effi ciently refer to Chapter 4 Table 5 1 Test Equipment NAME MANUFACTURER MODEL NUMBER APPLICATION Electrical Safety Tester BIO TEK 260 Used to test AC wiring and pump grounding IV Infusion Set IVAC 70 RCS Rate accuracy test Nurse Call Cable IVAC 136111 Nurse call option Pressure Cal Set IVAC 70155 Pressure verification and calibration Pressure Gauge Dresser Industries 203 426 3115 PTE1 901M1 Pressure calibration and 400 to 750mmHg Heise verification BIO TEK 802 655 4040 DPM III Burette 50 0 1 ml increment Fischer Scientific Class A or B Rate calibration and verification Kymex 113 Sec A RS 232 9 pin Null Modem IVAC 133450 Connects between 2 instruments to download configuration Silicon Tubing IVAC 303109 Pressure Calibration Setup T Fitting IVAC 303815 Pressure Calibration Setup Nicd Battery Optimizer Alexander Batteries 800 577 2539 Model 2006 Test and condition batteries 2003 optional Permanent Ink Marker Metron 619 755 4477 eu Pressure Calibration hard Orange or equivalent ARIS MEDICAL SYSTEMS Signature Edition Technical Service Manual 5 1 gt 5 2 Repair Replacement ALARIS Medical Systems recommends that parts within the pump be replaced rather than repaired when not working properly Boards mechanism and display modules must be re
44. factory defaults NOTE Setting the Maximum Rate below the preset KVO Rate will lower the KVO Rate The KVO rate will not exceed the Maximum Rate NOTE The maximum rate setting applies to all infusion modes NOTE The KVO rate will not exceed the present Maximum Rate NOTE If Display is off then the alert feature will automatically be turned off NOTE Resistance trend graph data is lost when 1 Clear is pressed 2 Pump is off for more than 6 hours NOTE Resistance measurement is restarted at 096 when 1 Run Hold is pressed to put on hold and again to start 2 Dose ends in Multi Dose mode 3 Checking line message appears NOTE Checking line alert applies to pressure resistance and upstream occlusion with one tone at the beginning and a flashing popup display on 4 seconds off for 6 seconds No nurse call activation NOTE Resistance alert will give an alarm tone every thirty seconds with a popup display on for 4 seconds off for 6 seconds Nurse call activated This occurs when the resistance measurement is above the alert threshold or at 10096 even when checking line NOTE You will see a 4 digit aloha numeric code next to the configuration name upon entering configuration mode Refer to Section 2 4 1 Entering Configuration Mode This code is only a hexadecimal reflection of your instrument s configuration name NOTE If you have changed the configuration but not the name the pump will display the
45. is used as a pass transistor to boost the current supplied by the amplifier 4 5 16 Battery Temperature Sensor The battery temperature sense circuit measures the temperature in the battery pack through a nominal 10 kilohm Q 25 C thermistor The thermistor is the same type as used in the ambient temperature sense circuit The sensor will measure with a 2 5 C accuracy over the temperature range 0 to 65 C The circuit is a voltage divider between a resistor and the thermistor with a 4 1V reference voltage used as the input voltage The output TEMP drives an A D input to the Battery Manager The Battery Manager uses the battery temperature in its error detection and charging functions 54 4 10 Signature Edition Technical Service Manual Directory 42 FUNCTIONAL DESCRIPTION Figure 4 5 Battery Monitor DC INPUT 22 24V TEMP SHUT DOWN CSS T Vere VREF 4 44 V v BATTERY PLUS 9 19V VAO SOURCE BATTERY 12V BATT TEMP R273 037 Q39 025 046 CHARGER 1 8 AH R353 47 020 028 LI PART OF TW MEASURE BATTERY BATTERY ASSEMBLY DUMP RES b VOLTAGE gt MONITOR OS 034 5 V_MON CHARGE 027 943 929 U37 R29 R43 T RESET I CURRENT 0 1 OHM SENSE Q30 048 eS SYSTEM R32 R86 CURRENT 0 1 OHM SENSE U29 U37 BATTERY e CURRENT MONITOR GROUND DIFFERENCE BETWEEN
46. may not be when AC power is connected regardless of the setting necessary to disassemble the entire pump to replace of the POWER switch a component Figure 5 1 Instrument Assembly Organization provides the instrument s assembly hierarchy Also refer to Chapter 7 for assembly CAUTION To avoid serious damage to the board assemblies use extreme care and always use proper drawings A more detailed description on how to static grounding techniques disassemble the instrument follows You will need a Phillips screw driver 3 16 socket wrench 3 8 socket wrench and 3 32 or 2 5 mm allen driver to separate both case halves and disas semble the pump NOTE Instrument configuration will not be lost when dis connecting power However history and programmed set tings may be lost If you want to save event log record before proceeding Though a dual channel pump is depicted in the fol lowing procedures both instruments disassemble in the same manner Channel B will be the same as a single channel instrument Figure 5 1 Instrument Assembly Organization _ Lower LCD LED presuresencorinduded Main Keypad INSTRUMENT Pole Clamp 7 Panel Lock Switch Speaker Case Half VRs 232 Board AC Line Filter eat sink Heat Sink Seal AC Off Line Switcher 54 5 4 Signature Edition Technical Service Manual
47. ms pulse for each drop detected Note that for SE use the second channel 5 not used 4 13 2 ECD Board Option for 7101 7201 a Overview The flow sensor interface is a separate PC board which drives a standard IVAC 180 optical flow sensor performs ambient light rejection on the resulting signals and provides digital output signals for a detected drop and sensor attached detection The board consists of 2 separate ambient light discriminator loops and MEDICAL SYSTEMS Signature Edition Technical Service Manual 4 21 5 drop detectors independent Model 180 flow sensors along with common timing and control logic The board assembly is common to both single and dual channel instruments where the B channel is not available externally and is ignored in the software of the single channel instruments Note that the A channel is used for both the A channel in the dual channel instrument as well as the single channel instrument even though the mechanisms are on opposite sides of the case Common Timing Logic The common timing and control logic generates the necessary discriminator timing signals to drive the flow sensor LED and sample signals representing room ambient light and LED driven light outputs from the flow sensor The main system 32KHz is used as the timebase and decade counter U3 that generates non overlapping A and B channel drive and sense signals This reduces the peak
48. of the instrument The battery charger circuit is tied to P ground so that the battery charge current is not measured as system load current The amplifier U29 7 U37 7 is designed as an integrator Since the P ground voltage will be less than the L ground voltage a current will be generated in a resistor tied to the operational amp s negative input to maintain equal voltage levels at the operational amp inputs This current charges the feedback capacitor C52 C56 thereby integrating the current as long as the feedback transistor 030 048 is off The Battery Manager integrates the current for 100 ms 1 ms before resetting the integrator by pulsing the signal RESET high for 1 ms Forcing RESET high will turn on Q30 048 thereby placing a short across the feedback capacitor C52 C56 The resulting output voltage MON is fed to an A D input of the Battery Manager At a 1A load current the output voltage is about 2 7V The Battery Manager samples MON once before the RESET signal is pulsed high and once after The difference between the two samples becomes the current measurement The Battery Manager uses the current measured for charging to monitor current in and out of battery battery gauge updates gauge under present power requirements and error detection functions MEDICAL SYSTEMS Signature Edition Technical Service Manual 4 9 gt 4 5 12 Always Supply 5VAO The always on
49. option to rename before turning off or proceeding to the teach mode Refer to Section 2 5 2 Pop Up Displays for further explanation NOTE Must have 4 characters in configuration name use space symbol to fill in any open character NOTE Only the configuration settings will be transferred The instrument ID number and the periodic maintenance settings from the diagnostics mode will not be transferred through LEARN TEACH NOTE Repeat allows you to re attempt or teach the next pump NOTE The Learn Teach function will not work if revision level is not the same on both pumps or if the pumps are not the same model ie 710x 720x to 70004 NOTE Do not use 7ORCS more than 40 times NOTE Due to the Dynamic Monitoring feature the rate is varied during operation For this reason ALARIS MEDICAL SYSTEMS does not recommend using automatic testers to check rate accuracy Generally these devices collect small samples and may cause the results to be incorrect even though the instrument is accurate NOTE The main PCB board can only be replaced in pumps with main software Rev 2 02 or higher NOTE Do not use 7ORCS more than 40 times NOTE X s appear once pressure calibration is started or if pressure calibration is required NOTE The main PCB board can only be replaced in pumps with main software Rev 2 02 or higher NOTE The alarm history is not stored in the EEPROM NOTE Refer to Figure 4 5 Battery Monitor and Figure
50. the cables for proper routing 4 Do not disconnect any cables Adjust pole clamp 12 Close case by following pattern and tightening so that the knob is facing downward Lay front procedure outlined in Section 5 5 case on desk bench top 13 Wait one hour for transducer to warmup again 5 Locate pot under motor and on backside of the and check that compensated value is still in transducer range as noted earlier 6 Evaluate the sensor in D6 screen see Chapter 6 14 Perform soft pressure cal procedure after 1 hour as follows warmup as follows a Compensated value is between 1000 and a Install 70155 Press Cal Set 1200 go to Pressure Cal screen Verify senso 9 Advance the D6 screen in the diagnostics Fe SOI IS ee Sea mode Select Cal Pressure for channel desired set is removed repeat other channel if nec essary If not perform soft pressure calibra tion b Compensated value is less than 1000 or more than 1200 then perform hard cal for this Press soft key next to 0 mmHg verify says pass to right and fail for 500 mmHg and Complete Press Cal replaces sensor reading Attach pressure meter and squeezed ball to channel end of pressure cal set Apply 500 mmHg x 1 mmHg D6 Screen Values 1st Value Ind Value 3rd Value Ath Value Press soft key next to 500 mmHg Verify that VBRIDGE CURRENT UNCOMP COMPENSATED both 0 and 500 values no
51. will not soft cal see the hard pressure calibration procedure in Chapter 5 3 3 6 Ground Current Leakage Test Use a Model 260 or equivalent to measure the ground leakage current Refer to the electrical safety tester s operation manual for the proper measurement technique Leakage current must be lt 100 pA for normal and reversed line polarity Figure 3 3 Pressure Test Setup 72 Series Set d Pressure Air Gauge Pressure Source 0 500 mmHg Instrument Stand 4 Reservoir H H 3 3 7 Ground Resistance Test Use a BIO TEK Model 260 or equivalent ground resistance testing equipment to measure resistance from the the AC power plug ground pin to the screw for the power cord strap or the screw for the battery cover on the chassis Refer to the test equipment operation manuals for proper setup and measurement technique The resistance measured must be lt 0 100 For Models 7101 7201 measure resistance from AC power plug ground pin to PEC connector must be lt 0 100 CAUTION Do not connect ground resistance probe to pressure transducer 3 3 8 Battery Refresh Cycle a Initiate a battery refresh cycle by 1 Disconnecting the battery pressing ON OFF switch for 5 seconds and reconnect battery 2 If software is 2 02 or higher enter 0 0 AH in the rated capacity for battery in Diagnostics Mode Once ok is pressed cycle will start Set rated cap back to 1 3 AH
52. 00G 7200G 141100 Directions for Use English with Symbols 7101X 7201X 14171 Directions for Use Dutch 7101X 7201X 141707 Directions for Use French 7101X 7201X 141706 Directions for Use German 7101X 7201X 141708 Directions for Use Spanish 7101X 7201X 141710 Directions for Use Italian 7101X 7201X 141709 Directions for Use Swedish 7101X 7201X 608 140676 Label Start Up English 7100X 7200X 1 142269 Label Start Up English with Symbols Start Up 7101 7201 141705 Label Start Up Dutch Start Up 7101X 7201X 141701 Label Start Up French Start Up 7101X 7201X 141700 Label Start Up German Start Up 7101X 7201X 141702 Label Start Up Spanish Start Up 7101X 7201X 141704 Label Start Up Italian Start Up 7101X 7201X 141703 Label Start Up Swedish Start Up 7101X 7201X 610 140296 Label Flow Sensor A 7100 7200 611 140297 Label Flow Sensor B 7200 613 123273 Ground Symbol Label 1 623 136179 Patent Label 1 625 5 Label CE Mark 627 133318 Label PE Connector 7101X 7201X 654 8 5 1 8 LABELS NOT SOLD PLACED INSTRUMENT AT ALARIS Medical Systems ONLY NOTE If model is not specified the part can be used on all versions 7100X 7100E 7100F 2100 120V VERSION 7101X 7101A 220V VERSION TO INSTALL FLOW SENSOR KIT INSTRUMENT MUST HAVE REV 2 44 OR HIGHER SOFTWARE Signature Edition Technical Service Manual 7 21 Directory MEDICAL SYSTEMS
53. 01X 7101A 220V VERSION TO INSTALL FLOW SENSOR KIT INSTRUMENT MUST HAVE REV 2 44 OR HIGHER SOFTWARE MEDICAL SYSTEMS 2 Signature Edition Technical Service Manual 7 15 Directory 9 A N d 4 Y S AN 7 LADO NASTI Y e 92 a t 4 N NACH M EAM v EN Xe Figure 7 3a gt Rear Case Assembly Single Channel Manua Technical Service Signature Edition MEDICAL SYSTEMS D 9 E 7 19 Figure 7 3b Rear Case Assembly Dual Channel Technical Serv Signature Edition gt 2 L3 73 2 Directory SN ANN ARNA 5 lt fe A N ILLUSTRATED PARTS BREAKDOWN Figure 7 4 Label Literature Assembly Item Part Number Description QTY 603 125569 Serial Number Replacement Label 1 604 UL Label 605 8 CSA Label 1 606 141098 Name Rating Label 7100X Single Channel 1 141754 Name Rating Label 7101X Single Channel 141099 Name Rating Label 7200 Dual Channel 141755 Name Rating Label 7201X Dual Channel 607 141593 Directions for Use English 7 100F 7200F 141966 Directions Use English 71
54. 020 028 The regulator will keep the voltage at the feedback pin at 1 23V by adjusting its output pulse width The gain of the amplifier is set so that an average current of 1A through the O 1 ohm sense resistor will result in the 1 23V feedback voltage The Battery Manager controls the average current into the battery by varying the duty cycle of the charge control There are four possible phases for the average current charge cycle a Fast charge phase charges at 1 amp within limits on the ambient temperature The Battery Manager charges with this phase until one of the following charge criteria are met e Battery voltage drops at least 192mV below the peak value e Battery temperature is more than 7 C above starting temperature and at least 30 C e Total charge time exceeds 3 2 hours b Top up charge phase starts after fast charge if the battery temperature is less than 37 at an average of 180mA 180 minutes This average current is produced by charging at 1 Ampere for 0 9 seconds every 5 seconds MEDICAL SYSTEMS Signature Edition Technical Service Manual 4 7 5 NOTE charger will turn off if the battery gets too hot gt 37 to let the battery down Cool down time 15 not included in the 180 minute charge time c Float charge phase charges at an average current of a fully charged battery This average current is produced by charging at 1A for 0 2 second ev
55. 4822 for information NOTE If under load inside instrument the maximum storage time would be about 130 days before electrolyte extrusion occurs past the battery seal NOTE This option is not available on 7101 7201 pumps ARIS MEDICAL SYSTEMS Signature Edition Technical Service Manual 1 11 NOTE When the instrument is turned off the gauge will indicate approximate run time for infusions of 125 ml hr NOTE In the future ALARIS Medical Systems may provide different battery packs The replacement battery may have a different rated capacity Therefore the Battery Manager of the instrument needs to know that a new battery has been added and the rated capacity has changed Refer to Section 5 3 Replacing Battery and Section 6 4 6 Changing Rated Capacity of Battery NOTE The restart counter is reset whenever the clinician presses Run Hold if the pump or channel is turned off or if an alarm occurs NOTE When infusion is started the resistance may be other than 096 depending on solution viscosity catheter tubing size and filters NOTE The instrument s configuration information is not lost when disconnected from AC power and battery power However error history and infusion program settings may be lost If you want to save this information be sure to record before disconnecting power NOTE It is strongly recommended that you review Table 2 1 for a complete list of defaults before selecting
56. 74 is a custom ASIC Application Specific Integrated Circuit which incorporates timing address decoding digital and other system glue functions The Combo IC has a 16 bit CRC generator which is used to periodically test the EPROM data The COMBO IC also contains the local serial interface control logic used to interface to serially accessed peripherals such as the A D EEPROM LED Module s and Battery Manager Additional information can be found in Section 4 4 2 COMBO IC The kernel data communications function supports RS 232 level serial communications up to 9600 baud The UART function is embedded in the COMBO IC while the RS 232 interface is based on an industry standard RS 232 level converter chip The communications channel is EMI filtered and ESD protected to 10 kV with components on the RS 232 Nurse Call board and is not electrically isolated The interface supports two signals and RxD along with ground 4 4 2 COMBO IC The COMBO IC 010 074 is a 160 PQFP device which supports a variety of kernel functions primary audio support digital and other functions COMBO latches the address bus and outputs the latched addresses as A19 A16 and 7 The COMBO IC has a 16 bit CRC generator which is used to periodically test the EPROM data The RAMTEST circuit provides redundant storage and error detection of RAM data The local serial interface control logic is used to interface with se
57. AINTENANCE 5 4 1 Disassembly of the Rear Case 1 Disconnect power supply board connector battery cable Lift up the locking bar and remove the RS 232 flex cable from front case Disconnect ground wires 1 for single channel from under motor The rear case is now completely separated from the front case Set front case aside Locking bar Power supply board connector Battery cable Ground Wires RS 232 Flex cable 2 To replace the power supply board assembly remove the four screws from Heat Sink using Torx 3 32 2 5mm driver to separate power supply board from the inside of the rear case Disconnect the cable from the power supply board iS Screws Pole Clamp Screws NOTE Do not remove cover from back of power supply board If it s loose reinstall with RTV Power Supply Cable Power Supply Cover ARIS MEDICAL SYSTEMS Signature Edition Technical Service Manual 5 7 gt 4 CORRECTIVE MAINTENANCE 3 To replace ECD board assembly if installed a Remove screw on ECD board using Phillips screw driver then remove the RS 232 board 4 To replace RS 232 board assembly a Pull the RS 232 cover away from the connector then remove two hex nuts using 3 16 socket wrench RS 232 Connector Cover in place RS 232 Connector Cover being removed b Disconn
58. ALARIS Medical Systems judgment the products stability or reliability c subjected to misuse or negligence or accident or which has had the product s serial or lot number altered effaced or removed or d improperly maintained or used in any manner other than in accordance with the written instructions furnished by ALARIS Medical Systems This warranty is in lieu of all other warranties express or implied and of all other obligations or liabilities of ALARIS Medical Systems and ALARIS Medical Systems does not give or grant directly or indirectly the authority to any representative or other person to assume on behalf of ALARIS Medical Systems any other liability in connection with the sale or use of ALARIS Medical Systems products ALARIS MEDICAL SYSTEMS INC DISCLAIMS ALL OTHER WARRANTIES EXPRESS OR IMPLIED INCLUDING ANY WARRANTY OF MERCHANTABILITY OR OF FITNESS FOR A PARTICULAR PURPOSE OR APPLICATION 5ee packing inserts for international warranty if applicable Iv IVAC Signature Edition Technical Service Manual ALARIS MEDICAL SYSTEMS 4 TABLE CONTENTS Chapter 1 General Information 1 1 nlc cere ee 1 1 1 2 Pump 5 OCC 1 3 1 3 Battery Management Syste Mr 1 5 E __ _ ________________ _ __ 1 5 1 3 2 Battery Charging Process
59. AM ERROR LCD controller memory didn t match image in main RAM Replace LCD module Replace Main PCB Return to factory 6 4 Signature Edition Technical Service Manual MEDICAL SYSTEMS TROUBLESHOOTING Table 6 2 Error Messages cont Message Probable Cause Remedy LCD TURNED OFF LCD Controller is off Replace LCD module Replace Main PCB Return to factory LED CH TEST LED error Start up Replace LED module Replace Main PCB Return to factory LED SEG CHAN LED stuck row detect failure Start up Replace LED module Stuck row Start up or run Segment failure Start up or run LED SEG INST LED stuck row detect failure Start up Stuck row Start up or run Segment failure Start up or run MOTOR BEHIND Motor didn t step right number of steps Replace Main PCB Return to factory Replace LED module Replace Main PCB Return to factory Check Optics Replace mechanism Replace Main PCB Return to factory Check Optics Replace mechanism Replace Main PCB Return to factory MOTOR MID Motor too slow for fast bi rate or too fast for slow bi rate MOTOR SYNC Motor didn t step right number of steps Check Optics and connections Check motorscrews not loose Replace mechanism Replace Main PCB Return to factory Check Optics Replace mechanism Replace Main PCB Return to factory
60. Battery Cable Interface 1 140 303106 Clip cord A R 300 141497 Case Rear Single Channel order feet and labels separately 1 141499 Case Rear Dual Channel order feet and labels separately 1 365 141369 Ground Wire Dual Channel 1 366 141370 Ground Wire Single amp Dual Channel 1 386 141204 Insulator RS232 7101X 7201X 400 136666 Heat Sink 7100X 7200X 1 136674 Heat Sink 7101X 7201X 1 401 141117 Speaker Assembly 1 402 140312 Heat Sink Seal 1 408 140989 1 416 305318 Rubber Feet 2 417 305417 Washer 2 421 140503 Pole Clamp 1 422 140649 Screw Pole Clamp 1 423 303745 Connector 7101X 7201X 424 2175572 Washer Lock 1 4 7101 7201 425 140408 Spring Release Switch 1 426 140380 Knob Pole Clamp 1 427 205376 Lock Washer 2 428 305317 Washer Pole Clamp 1 430 139730 Line Filter 1 431 139900 Pole Clamp tip 1 432 305414 Spiral Pin 1 437 140718 Cover Flow Sensor Connector A R 461 305234 Fasteners Soeed Nut 2 462 305239 Standoff The Hex 1 463 305237 Screw Mach M3 x lOmm PH 3 464 305235 Screw Mach M3 x 16mm PH 1 465 225236 Screw Mach M3 x HXSO 4 466 305501 Screw TPG 6 32 x 5 16 2 469 305531 Washer Internal Tooth use if line filter lug does not washer built in 471 305436 Compression Spring 1 277 305526 Cable Clamp 1 479 303655 Screw Hx40 5 16 for ECD Board NOTE If model is not specified the part can be used on all versions 7100X 7100E 7100F 7100G 120V VERSION 71
61. CK on sete eject This level will be set to zero when soft pressure calibration is done d Press the OK soft key again to return to Main D6 page 6 4 18 Viewing Temperature Calibration Information This page is for viewing only Temperature Calibration Tc is factory set only for temperature compensation of transducer if needed 1 On the D6 page the display will show the measured and selected Tc and say Fass 2 Press the Fass soft key to see the values for the hard pressure calibration NOTE Measured Tc may be all dashes or show a number Selected Tc must be 0 0 if software 15 2 02 and higher ALARIS Signature Edition Technical Service Manual 6 21 gt MEDICAL SYSTEMS Directory ONC 3 Four numbers will appear in the lower portion of the display The number on the left represents the Vbridge value in ADC counts at the last soft pressure cal The second number represents the current Vbridge value in ADC counts The third number is the uncompensated sensor value ADC counts This is the number that will be used to perform hard pressure calibration This number should be between 1000 and 1300 If not in this range a hard pressure calibration should be performed Refer to Chapter 5 for the hard pressure cal procedure e fourth number is the compensated sensor value in ADC counts The difference between the left two numbers shows th
62. Cal soft key to highlight and select editing NOTES See Chapter 3 for specific rate accuracy verification testing If the rate verification fails see Chapter 5 for rate calibration procedure with software 2 02 and higher 5 Use the numeric keypad to enter desired rate cal number Press ENTER 6 Press ok to accept the change and return to the beginning of the D4 page 6 4 13 Testing Main LCD 1 Advance to the D5 page 2 Press the Fest Pain LCD soft key e he test consists of the Main LCD alternating between normal and reverse video every 2 seconds e All LEDs also flash on and off at a 2 second rate with 2 02 software and higher 3 Press the turi soft key to return to the D5 page ALARIS 5 Signature Edition Technical Service Manual 6 17 Directory TROUBLESHOOTING 6 4 14 Testing Aux Lower LCD 1 the D5 page press the Fest Aum LCD soft key This tests the Lower LCD Display lighting all segments of the display 2 Press the re turr soft key to return to the D5 page 4 9 LV FUL wr 6 4 15 Testing Switches 1 On the D5 page press the Testit Sid soft key 2 Proceed to press all keys on the instrument As you press a key the key s name will appear Proper functionality of the soft key is tested only by the key performing its function i e returning the LCD to the D5 page POWER H HOLD A
63. ET E A E E A A 4 8 RN T m m 4 8 4 9 20522 56 eee 4 9 ASA 4 9 45 11 4 9 4 5 12 Always On SUppIy ASV AO m 4 10 4 10 RO O 4 10 25 15 4 10 4 5 16 Battery Temperature Seis 4 10 Sytem 4 12 4 13 Z1 _________________ 4 13 Lawer LCD Diye 4 13 4 6 Molor DINE quo c aee e aE REE E aE E P EEE e EE 4 14 MEME Ue dbi ea E E EE E 4 14 4 17 ____ 4 17 4 7 4 18 RR __ ___ 4 19 18 IVAC Signature Edition Technical Service Manual vii MEDICAL S
64. For current technical information please call Technical Support at 800 854 7128 ext 6003 or write ALARIS Medical Systems 10221 Wateridge Circle San Diego CA 92121 1579 Attention Technical Support 142466 Copyright 1997 ALARIS Medical Systems Inc Rights Reserved Printed in the U S A Signature Edition Technical Service Manual ALARIS 4 Phone Numbers Reference USA Only CUSTOMER SERVICE 800 482 4822 For placing an order for parts accessories etc and checking status of an order TECHNICAL SUPPORT 619 458 6003 OR 800 854 7128 EXT 6003 For technical troubleshooting and preventive main tenance information QUALITY ASSURANCE 800 854 7128 EXT 7812 For product complaints http www alarismed com CANADA Only CUSTOMER SERVICE 800 513 2254 For Western Canada to place orders For all of Canada to place complaints CUSTOMER SERVICE 800 268 4457 For Eastern Canada to place orders Signature Edition Technical Service Manual 1 WARRANTY ALARIS Medical Systems Inc hereinafter referred to as ALARIS Medical Systems warrants that A Each new Signature Edition Pump excluding the battery is free from defects in material and workmanship under normal use and service the period stated the Directions For Use from the date of delivery by ALARIS Medical Systems to the origi
65. H A motor Rotation sensor cable assembly cable to main Motor Assembly cable board 8 Install tie 4 around CH A motor latch rotation and transmitter white wires AIL Transmitter cable MEDICAL SYSTEMS 4 5 18 Signature Edition Technical Service Manual CORRECTIVE MAINTENANCE 9 Route CH B ail receiver cable black up over motor assembly and connect to main board Install tie 1 to motor cable and receiver cable black 10 Route CH B rotation sensor cable out to right side and under back 4 bar mechanism Connect to main board 11 Route CH B latch sensor to right under back 4 bar Connect to main board 12 Install tie 2 around CH B motor latch rota tion and ail receiver cable black wires 13 Ensure locking bars are up on flex cable con nectors Install flex cables for front panel led modules main RS 232 board assembly and lower as needed to main board 14 Install battery power cable to main board WARNING Always perform a rate accuracy verification after mechanism and board have been removed and reinstalled or cables have been dis connected and reconnected Back 4 Bar Tie wrap 2 Rotation AIL Receiver Tie wrap 1 AIL Receiver Battery Power Cable X Signature Edition Technical Service Manual 5 19 Directory CORRECTIVE MAINTENANCE 5 5 Assembl
66. LED current load and flow sensor crosstalk during normal operation Transistors Q5 and Q6 provide logically inverted control signals for the LED drive circuits c Ambient Light Discriminator Loop The flow sensor drive current is set to maintain a 2 8V level normally at DROP A B This level is determined by the difference in input signal from a 180 drop sensor when the emitter is undriven and driven Analog multiplexor U4 normally grounds the output of the sense capacitor C 18 23 so that room ambient light signal voltage is set across it When the LED drive is turned on the output of the sense capacitor representing the driven signal voltage less the ambient signal voltage is transferred to sample cap C28 C26 This signal is amplified by U8 U7 with a gain of about 23 and is the DROP A B signal The DROP A B signal is sensed by integrator U1 U6 and C9 C10 to generate an appropriate LED drive level to maintain DROP A B at about 2 8V The integrator output signal is controlled by drive enable FET Q1 Q2 to drive the LED constant current sink U1 Q4 and related components The constant current source generates a 0 200mA sink current with a OV 1V input signal To prevent a drop even from skewing the LED drive signal a long time constant filter consisting of CR1 CR2 R31 R13 and C9 C10 is enabled on a negative going output signal DROP Drop Detector The drop detector circuit generates a digital pulse when a valid drop ev
67. LUS VOLUME ml At 1 0 ml hr 0 5 ml At 25 ml hr 0 5 ml MAXIMUM TIME TO ALARM ml At 1 0 ml hr 60 min 25 ml hr 2 MAXIMUM INFUSION PRESSURE 16 psi OCCLUSION ALARM PRESSURE 12 psi 4psi not adjustable CRITICAL VOLUME Maximum incremental volume in case of single point failure will not exceed 1 0 ml 999 9 ml hr ENVIRONMENTAL CONDITIONS Operating Storage Transport Temperature Range 10 to 40 409 to 60 50 F to 10496 40 F to 140 F Relative Humidity 15 to 90 5 to 95 Non condensing Non condensing Atmospheric Pressure 631 to 1031 mbar 631 to 1031 mbar Testing performed per proposed standard IEC 601 2 24 using IVAC IV sets MEDICAL SYSTEMS 4 1 2 Signature Edition Technical Service Manual 1 2 Expanded Pump Specifications Administration Set When used for gravity infusion Air in Line Accuracy Altitude Battery Case Fluid Ingress Rating Ground Current Leakage Parts per ml Programmable Features Configuration These features can be customized by qualified service personnel Configuration is not lost when disconnected from AC power and or battery power Use only IVAC 72 Series administration sets Max Gravity Flow Rate 54200 ml hr with 16 gauge catheter x 2 25 Teflon Configured Threshold Air Volume Detections Range 15uL 85uL 100uL 35uL 14001 20041 10001 2351 500uL 275 565uL Operati
68. Main PCB 2 Return to factory ERR 2 RAM TEST Battery manager code failure 1 Replace Main PCB 2 Return to factory ERR 3 CPU Battery manager code failure 1 Replace Main PCB 2 Return to factory ERR 4 WATCHDOG ONE SHOT TIMINGS Watchdog circuit logic failure 1 Replace Main PCB 2 Return to factory ERR 5 ON OFF FLIP FLOP WRONG STATE Cannot set clear flip flop condition 1 Replace Main PCB 2 Return to factory ERR 6 CURRENT INTEGRATOR Battery current monitor circuit bad 1 Charge battery or system has excess current draw 2 Replace battery 3 Replace Main PCB 4 Return to factory BATT Battery temperature outside 09 60 C 1 Disconnect and or battery voltage 10V gt 18 8V reconnect battery to initiate a refresh cycle Connect to AC 2 Replace battery Replace Main PCB 4 Return to factory UJ 4 6 8 Signature Edition Technical Service Manual Directory TROUBLESHOOTING 6 4 Diagnostics Mode The Diagnostic Mode allows a hospital to manage e s as periodic preventive maintenance of the instrument and view the instrument s history It allows testing of functions and entry of the instrument s ID number For quick reference a fold out map of all diagnostic screens is located at the end of this module Pressing a soft key at the side of the main display the first time selects it for editing Some features are edited by subsequent presses
69. NCE 5 4 3 Disassembly of Front Case n a Mal CHANNEL A 1 Disconnect all wire connections to the Main P NOTE When removing flex cables carefully lift locking bar to remove cable from connector NOTE Pay particular attention to wire routing Wires should be routed back to initial scheme and similar to the example shown This will prevent them from getting pinched and jamming the mech anism Board Screw 2 To replace the main PCB 710 720 remove screw from Main PCB using Phillips screw driver Slide Main PCB to top then lift and remove NOTE The large capacitor for the backup speaker may be discharged after removing the board Jumper across termi nals of capacitor C 146 C 179 for one minute See Troubleshooting Section for more information After installing the new Main PCB perform the following a Check Tc in Diagnostic Mode D6 screen should have selected 0 0 See Chapter 6 for dure to change if needed for software 2 02 and higher b Check Rate Cal number in Diagnostic Mode D4 screen should have a Rate Cal of 182 to 214 See Chapter 5 for Rate Calibration Procedure if needed See Chapter 6 for pro cedure to change c Perform Soft Pressure Calibration after one hour warm up MEDICAL SYSTEMS 5 12 Signature Edition Technical Service Manual Directory CORRECTIVE MAINTENANCE
70. STRUMENT 13 5 CLK WD ALARM ENABLES 136 13 U46 5 WD OUT Signature Edition Technical Service Manual 4 13 ALARIS Directory 4 5 20 Lower LCD Display Backlight Drive The backlight for the Lower LCD display contains 6 LEDs in series The signal 15 tied to the anode of the first LED in the series Each led has about a 2V forward drop So AOD_BKLT will be about 12 13V when the LEDs are turned on The Lower LCD display backlight drive circuit controls the amount of current supplied to the LEDs The circuit contains two current sources or d together One current source is powered from DC_INPUT the voltage supply from the AC off line switcher The second source 15 powered trom VMOTOR which 15 generated when the instrument is on The circuit has four modes of operation a First if the instrument is off and unplugged the backlight driver is off The two power supplies that drive the circuit are both off b In the second mode the instrument is off but plugged into AC The current to the LEDs is limited by a resistor under these conditions VMOTOR will not be on therefore only the DC INPUT path will generate the current for the LEDs The current in the LEDs will be about 4 mA c Under the third situation the instrument is on and plugged into AC Now both current sources are on driving the LEDs for maximum brightness The current to the LEDs should be around 6 mA d And las
71. SYSTEMS Signature Edition Technical Service Manual 1 5 gt Float Charge The float charge phase begins at the end of the top up phase and helps maintain a Tully charged battery This phase charges at an average rate of 40 mA 1 A for 0 2 seconds every 5 seconds The fan remains on or turns on when battery temperature exceeds 22 C d Hot Charge The Hot Charge Mode occurs when the instrument determines that the battery 15 gt 36 C normally due to ambient temperature being gt 27 C to allow a charge after waiting 3 hours for it to cool down Hot Charge Mode charges at an average rate of 180 mA 1A for 0 9 seconds every 5 seconds for a total charge time of 18 hours If the battery temperature exceeds 43 C the charging is turned off until the temperature falls below 43 C Note that the cool down time 15 in addition to the 18 hour charge time The float charge cycle begins at the end of the hot charge cycle Table 1 1 Battery Trip Points Battery Voltage Instrument Response 12 0V Single 15 minutes left on gauge 12 1V Dual e Unit continues to function Warning tone activated Low battery warning 11 45V e Unit does not pump Constant alarm Low battery alarm Depletion 10 25V 1 min or longer nominal 5 min after low batt alarm e Backup speaker activated Instrument shutdown 5 min after alarm 9 75V e No AC power applied Battery disconnected from circui
72. SYSTEMS lt 4 4 20 Signature Edition Technical Service Manual FUNCTIONAL DESCRIPTION 4 9 Lower LCD Display The Lower LCD Display 15 visible whether the pump 15 on or off AC or battery operation It shows the current battery run time available along with the current audio level selected communications interface status panel lock status and battery refresh status It is driven by the Battery Manager and 15 back lit when the pump 15 on or plugged into AC Figure 4 16 Lower LCD Display Layout 4 9 1234 hrs 4 10 Main LCD Module The LCD Module provides user information on a 128x64 dot matrix display with LED back light The main processor generates all text and symbols in bit mapped form then compares data read back from the display memory to that which was generated to find and avoid problems Screen updates occur every 100 mSec The back light intensity is controlled by the main processor to limit power use while running on battery The LCD contrast is controlled by the main CPU and can be adjusted from factory default through the diagnostics mode Refer to Section 6 4 16 Changing Main LCD Contrast 4 10 1 Main LCD Back Light The graphic LCD backlight is an array of LEDs driven by an adjustable constant current source controlled by a PWM signal from the COMBO IC The LED current can be adjusted stepwise linearly over a O 200 mA range The current so
73. YSTEMS 4 7 2 Backup Audio Buzzer and Test Circuit 2 0 20 000000000 000 mm nennen nnn nennen 4 19 4 8 RR uu 4 20 4 9 Ko Bs 4 21 m 4 21 8 5 E ies avoid 4 21 4 21 4 11 RS rei E 4 21 4 12 cia Bodl m t 4 21 4 13 _ 4 21 ECD Board Op on Tor 7100 7200 m 4 21 4 13 2 ECD Board Option for 7101 720 4 21 Chapter 5 Corrective Maintenance 5 1 ee 5 1 5 2 Repair or eee 5 2 93 Replacing 5 2 5 4 Beste P ee 5 4 Disdssembh 5 4555 55 5 7 22 52 Disassembly Procedure for able ROU MING 5 1 4 5 5 5 10 2415 Ol FONT CASE 5 12 5 4 4 Reassembly Procedure for Cable ROWUING 5 18 5 5 5 20 5 6 5 21 Del FONON SO
74. able 6 2 Key Stuck Alarm Turn pump off and back on to see if problem clears Replace channel A LED Module Replace key pad assembly Replace Main PCB Return to factory Latch Open Alarm Check for proper set installation Verify latch closed and moves easily back and forth Verify sensor not loose Verify connector not loose Replace mechanism Return to factory LCD Contrast is Dark or Light UBWN WN HN BWN 7 Change contrast setting to 80 tilt unit to help view or follow information in Diagnostics Mode Replace Main LCD Replace Main PCB Return to factory Mechanical Leak Test Fails WN AUN Check mechanism for damage and proper mounting into snap fittings Replace mechanism Return to factory lt 4 6 2 Signature Edition Technical Service Manual MEDICAL SYSTEMS TROUBLESHOOTING Table 6 1 Technical Troubleshooting Guide cont Problem Remedy No Power 1 Wait 15 seconds after connecting to AC power 2 Check replace battery 3 Replace power supply board AC off line switcher 4 Replace key pad 5 Replace Main PCB 6 Return to factory Press Restart Pressure Calibration Soft Fails Pressure Verification Fails Program Lost In alarm history this indicates the infusion reached occlusion point 12 psi 4 in pressure or re
75. am Flow Detected Set Out DIMENSIONS 7100 7101 7200 7201 Width 7 6 1n 19 3 cm 10 5 in 26 7 cm Height 8 6 in 21 8 8 6 in 21 8 cm Depth 5 0 in 12 7 cm 5 0 in 12 7 cm Weight 6 6 105 2 9 kg 8 4 Ibs 3 7 kg Power Cord 10ft 3 m 10ft 3 m without pole clamp without power cord CASE Impact resistant plastic ADMINISTRATION SETS Use only IVAC 72 series administration sets All disposable IV set and IV set accessory models are defined on a separate card included with this Directions for Use POWER REQUIREMENTS 100 240V 50 60 Hz 0 6A 72VA max 3 wire grounded system Class 1 with Internal Power Source MODE OF OPERATION Continuous GROUND CURRENT LEAKAGE Risk Current normal single fault condition Ground enclosure leakage current less than 100 500 normal single fault Patient leakage current less than 10 50 uA normal single fault BATTERY Rechargeable nickel cadmium Use only IVAC Nickel Cadmium or Nickel Metal Hydride 12V 1 8AHr minimum batteries With new fully charged battery the pump will operate for 4 hours nominal at 100 ml hr for a two channel instrument operating on both channels simultaneously With a fully charged new battery at 25 volatile memory configuration information will be retained for at least 6 months Interrupted secondary or advanced operating modes retain special program settings up to six hours Additionally Resistance Trending information is retained for 6 hours MAXIMUM BO
76. amp the power cord from the AC wall outlet before arms cleaning Do not steam autoclave EtO sterilize immerse the pump or allow fluids to enter the pump Acceptable cleaning solutions Use manufacturer s instructions transducer Warm Water Vesphene 5 2 Virex ll 2563 Manu Klenz cleaning only air in 10 Bleach Solution 7 part bleach to 9 parts water line arm a Place instrument on drain board or other surface above sink Keep instrument upright and do not allow any part of the instrument to become submersed water during the cleaning operation b Use a soft cloth dampened with warm water and a Clean in and around the latch mild non abrasive cleaning solution to clean all Clear the How control actuator exposed surfaces For sanitizing or anti bacterial Clean and around the clamp arms and treatment use 10 bleach solution and water pumping mechanism A soft bristled brush may be used to clean hard Use light pressure when cleaning the to reach and narrow areas pressure transducer e Use light pressure when cleaning the pressure Use light pressure when cleaning the air transducer and air in line detector areas of the in line detector pumping channels Refer to Cleaning the Mechanism Area Clean in and around the air in line arm Move latch to open and closed positions as required to clean behind latc
77. and verity ARIS MEDICAL SYSTEMS Signature Edition Technical Service Manual 1 7 4 Directory lower LCD goes blank Reconnect the battery Plug instrument into AC A refresh cycle will be initiated Repeat this procedure at 24 hour intervals 2 or 3 times to increase capacity or use a battery conditioner CAUTION Dispose of or recycle battery following hospital protocol Refer to your institution s operating procedures your state s EPA guidelines for disposal of battery or contact Rechargeable Battery Recycling Corporation at 1 800 822 8837 1 4 Nicd Battery Capacity Information All batteries have specific conditions under which they are guaranteed to meet their published specifications Deviations from these conditions typically result in a reduction of available capacity Manufacturers of nicd batteries rate capacities usually expressed in Ah Ampere Hours based on a specified ideal charge and discharge condition as well as the use of a new battery Battery Manufacturer s date codes start on 9 1 of the upcoming year e g date code 9611 first week of November 1995 An ideal charge cycle starts with a fully discharged battery charged at C 10 C is the rated capacity in Ah constant current for 15 hours while at room temperature For instance a 1 8Ah battery would be charged 15 hours at 180mA constant current with a room temperature of 23 C The ideal discharge st
78. annel ice Manual 7 5 Technical Serv IVAC Signature Edition ALARIS MEDICAL SYSTEMS D 9 E Q DOMESTIC ONLY Figure 7 1b Case Assembly Dual Channel 7 7 Technical Serv IVAC Signature Edition D 9 E Q ALARIS MEDICAL SYSTEMS 141777 FAA Page 142 of 150 ILLUSTRATED PARTS BREAKDOWN Figure 7 2 Front Case Assembly Item Part Number Description QTY 005 1222 157 Memory Assembly Single Channel Rev 2 44 or higher 1 142216 Memory Assembly Dual Channel Rev 2 44 or higher 040 141428 Main Keypad Assembly Single Channel 7100X 1 141429 Main Keypad Assembly Dual Channel 7200 141426 Main Keypad Assembly Single Channel 7101X only with symbols 141427 Main Keypad Assembly Dual Channel 7201X only with symbols 049 141760 Single Channel Reconditioned Board Assembly 7100 F G 1 141761 Dual Channel Reconditioned Board Assembly 7200 F G 055 141786 Single Channel Board Assembly 7100 F G 1 141787 Dual Channel Board Assembly 7200 F G 141967 Single Channel Board Assembly 7101X 1 141968 Dual Channel Board Assembly 72001 070 135679 LCD Module Graphic 1 080 141003 LCD Module Lower 1 100 141004 LED Module A R 201 141468 Mechanism Assembly New 1 250 141496 Case Front Single Channel order keypad label and feet separately 1 141498 Case Kit Front Dual Channel order keypad label and feet separa
79. ant MU HERE Current MOTOR PHASE 1 Motor MOTOR PHASE 2 Driver MOTOR COIL 2A A B MOTOR 2B MOTOR EN 1 MOTOR EN 2 A B Motor MOTOR CURRENT SENSE Combo IC Current Digital Output Sense NOTOR FAGEN Mechanism MOTOR FLAG A B Rotation Sensor LATCH_FLAG_EN LATCH FLAG Sensor vt a 59 917 025 PHASE 1B MTRA_1B LN ee LL Q3 919 OX 016 024 PHASE gt MTR_SNS U12 017 SENSE COMPARATORS Stepper Motor Coil 1 Stepper Motor 2 Combo IC Digital Input 54 4 16 Signature Edition Technical Service Manual MEDICAL SYSTEMS FUNCTIONAL DESCRIPTION 4 6 2 Air In line Sensor The Air in Line AIL Detector System consists of a e Transmitter arm that also loads the set in position to monitor for air e Receiver which 15 mounted the mechanism Voltage control oscillator VCO COMBO IC and associated circuits The voltage control oscillator will sweep a frequency range of 1 to 4 MHz and serve as the excitation for the ultrasonic AIL transducer This frequency sweep is necessary to ensure that the piezoceramic elements will achieve resonance over assembly and temperature variances The AIL Gate signal will initiate the VCO to sweep The detector is scanned at a 10 msec rate 40 msec to check bubble and once second to test the AIL hardware On the receive
80. arts with a fully charged battery under a C 5 constant current load at room temperature discharging to a cell voltage of 0 9V The rated capacity is then calculated as the time to discharge divided by 5 Again a 1 8Ah cell would be discharged at 360mA constant current and not reach 0 9V for at least 5 hours Note that a given battery type has different capacities based on the load For instance a battery rated at 1 8Ah at a 360mA load may have only 1 6Ah at a 1600mA load As can be seen from the preceding ideal conditions there are many conditions which can affect the battery capacity The following conditions have the most practical impact on battery capacity delivered in this instrument a TEMPERATURE DURING CHARGE As the effective ambient temperature of the battery increases the amount of charge that the battery will accept is decreased At an ambient temperature of 35 an enclosed battery will temporarily accept only about 90 of the charge it would otherwise accept at 23 C Since the batteries are internal to the instrument case they will be exposed to temperatures above room temperature since the instrument itself generates heat Some of the ways the instrument limits the temperatures that the battery sees include forcing air across it an internal fan and turning off the charger when the battery temperature gets too high b CYCLE LIFE AND AGING As batteries get older and go through many charge discharge cycles bat
81. ase the character soft keys aligned with the rows A to M N to Z or O to _ to highlight the character you want 4 Press enter Up to four characters be programmed in this way Repeat steps 2 3 4 as necessary 5 Press to accept the changes and return to the beginning of the C4 page NOTE If you have changed the configuration but not the name the pump will display the option to rename before turning off or proceeding to the teach mode Refer to Section 2 5 2 Pop Up Displays for further explanation NOTE Must have 4 characters in configuration name use space symbol to fill in any open character 2 5 Transferring Settings to Another Pump Once a pump has been programmed to meet technical and clinical needs the settings can be transferred to other pumps The programmed pump is referred to as the Teacher and the other pump is referred to as the Learner NOTE Only the configuration settings will be transferred The instrument ID number and the periodic maintenance settings from the diagnostics mode will not be transferred Connect a standard 9 pin Null Modem RS 232 cable also available from ALARIS Medical Systems P N 133450 to the RS 232 ports on the pumps ALARIS 2 Signature Edition Technical Service Manual 2 15 Directory CHECKOUT AND CONFIGURATION 2 5 1 Teacher Learner Pump Procedure 1 Access the Configuration Mode for both teacher and learner ins
82. attery Manager controls when the main processor and the rest of the circuit will receive power 4 5 19 System Reset Power On System Reset is controlled by the Battery Manager Either the lack of a reset inactive signal from the Figure 4 8 System Reset Power On VBKUP 100K ON OFF PWR SW A B 100K SWITCH S 100K KEYPAD PWR SW Battery Manager 034 040 signal R61 or the lack of the PWR signal being asserted will initiate RST_CPU Power on 15 also controlled by the Battery Manager Under normal conditions the Battery Manager uses its output R62 to toggle the power latch U40 9 U39 9 to turn the instrument on off The Battery Manager turns PWR_ON high when the instrument 15 on and turns PWR_ON low when the instrument 15 off If the instrument is on and a watchdog error is active WD OUT is asserted low The second one shot U36 13 U46 5 will be enabled When the power switch is pressed an 8 ms pulse is generated at the Q output of U36 13 U46 5 The pulse resets the power latch 040 9 U39 9 System Reset is controlled by the Battery Manager Either the lack of a reset inactive signal from the Battery Manager 034 040 signal R61 or the lack of the PWR ON signal being asserted will initiate a RST CPU BATTERY MANAGER U34 U40 RST_CPU POWER LATCH U40 U39 RESET BY 8 Msec PULSE FROM U36 13 U46 5 WHEN POWER SWITCH PRESSED U36 U46 TO REMOVE POWER FROM IN
83. ay be turned on or off Turning the display off will also turn the resistance alert feature off The AutoRestartPlus feature allows the pump to automatically continue an infusion if a down stream occlusion is cleared during the re check period 40 seconds A warning tone and display message will appear for 40 seconds The feature can be turned off set the restarts to zero or the number of restarts may be set from 1 to 9 NOTE The restart counter is reset whenever the clinician presses Run Hold if the pump or channel is turned off or if an alarm occurs A resistance alert feature may be turned on or off If on the hospital can set the desired alert level The default alert level can be set from 5 to 10096 in 596 increments This is the initial value presented to the clinician the clinician may reset the value to meet specific application needs 1 On the C4 page press the Mara tor ing Dptionzg soft key 2 Press and release the Marcie soft key to select for editing Press again to cycle between Hi Resista ReziztanceandFPFrezzure 3 Press and release the soft key to select for editing Press again to cycle between NOTE If display is off the alert feature will automatically be turned off 4 Press and release the Fez tar tx soft key Use the numeric keypad to enter the number of restarts from 0 which turns the feature off to 9 then press ENTER between tin and If on use the numer
84. ble 9 pin Null Modem RS 232 cable also ALARIS P N 133450 The Learn Teach RS 232 cable is used to connect two instruments for the purpose of transferring downloading configuration data from to another instrument 1 7 3 Flow Sensor Flow sensor capability is available with an upgrade kit on 7100 7200 For 7101 7201 all that is needed is the drop sensors The flow sensor attaches to the administration set s drip chamber It detects an empty solution container and verifies fluid flow When installed it will allow VTBI to be turned off The Flow Sensor will not see drops falling if drip chamber is tilted more than 242 1 8 Summary of Precautions The following is a consolidation of NOTES CAUTIONS and WARNINGS found throughout this manual Each is repeated in context with its related subject matter A NOTE is information that is of particular importance to the reader A CAUTION is a precaution that if not taken can result in damage to equipment A WARNING is a precaution that if not taken can result in personal or patient injury 1 8 1 Notes NOTE Refer to the ALARIS Medical Systems Warranty before servicing the pump Any attempt to service an ALARIS Medical Systems instrument by anyone other than an authorized ALARIS Medical Systems service representative may invalidate the ALARIS Medical Systems Warranty ALARIS Medical Systems offers a variety of repair agreements for post warranty service Call toll free 800 482
85. can break them Wires and connectors going to the mechanism assembly must be replaced as part of an assembly They cannot 8 Disconnect flex cables for front panel LED 1 Cut tie 1for ChB motor and AIL receiver modules main LCD RS 232 board assembly black and lower LCD as needed Lift up on locking 2 Cut tie 2 for ChB motor Latch Rotation and bar before attempting to remove flex cable receiver black 9 Continue disassembly as required MEDICAL SYSTEMS 5 10 Signature Edition Technical Service Manual Directory CORRECTIVE MAINTENANCE Power Supply cable Tamper Switch cable Cable clamp Cable clamp Speaker Fan Cable clamp Cable clamp Battery Power cable RS 232 Flex Connector B Rear Case 4 Disconnect battery power cable from main board 1 Disconnect flex cable for RS 232 board assem bly Lift up on locking bar before attempting to 5 Disconnect ground wires from mechanism remove flex cable from main board assembly assembly If needed unhook ground wires from cable clamps 4 places on dual channel 2 2 Disconnect power supply cable from power places on single channel supply board 6 Continue disassembly as required 3 Disconnect fan and speaker cable y qui ARIS MEDICAL SYSTEMS 4 Signature Edition Technical Service Manual 5 11 Directory CORRECTIVE MAINTENA
86. clamp The alarm should not reoccur c Connect the output of the set to one side of the i Perform downstream occlusion test as follows three way stopcock 1 Continue pumping from above step d Load the set 2 Verify rate is set to 460 ml hr Clamp off the set e Verify that there is no fluid flow or drops falling in just below the pump the drip chamber 3 Allow pump to run until it alarms OCCLUSION f Plug the instrument into a properly grounded AC DOWNSTREAM within 60 seconds 4 Press the RUN HOLD switch to silence the alarm and put the pump hold h Press channel s POWER switch to turn channel on 5 Release or open clamp i Set the primary infusion rate to 400 ml hr Set the 6 Press the RUN HOLD switch to resume infusion The alarm should not reoccur j Press the channel s RUN HOLD to start the primary 3 3 3 Flow Stop Test infusion Run infusion for one minute or until a Turn the power off with the administration set tubing and burette are fully primed primed and loaded in the instrument k Press the channel s RUN HOLD to stop infusion b With all tubing clamps open and the fluid Adjust the height of the instrument and or fluid container two or more feet above the device container as necessary to attain head height of verify that no fluid flows out of the set 30 between the middle of the pump mechanism Remove set Verify that no fluid flows out of the and the fluid lev
87. d The air in line threshold sets the bubble size sensitivity The air in line reset allows the clinician to respond to an air in line alarm assess the clinical significance of the air and choose whether or not to continue the infusion without removing the air The reset feature only allows the current bubble to proceed without tripping an alarm The air in line threshold value choices are 50 100 200 and 500 microliters NOTE Use 50 microliter setting on microbore tubing Other settings may be used on macrobore tubing 1 From the C2 page press the Fiir in Lirne soft key 2 Press and release the soft key to select for editing Press again to cycle through 50 ul 100 ul 200 ul and 500 ul 3 Press and release the soft key to select for editing Press again to cycle between and Gf f 4 Press to accept the change and return to the beginning of the C2 page ALARIS Signature Edition Technical Service Manual 2 5 Directory 2 4 5 Setting Dose Rate Drugs NOTE In Models 7101 7201 is used instead of a drug list option There 15 no tick mark next to Dose Rate The Dose Rate Drugs feature allows the selection of a drug name to program a dose rate calculated infusion while in normal mode 1 From the C2 page press the Fose Rate Hiraga soft key 2 The introduction screen appears next The introduction screen displays the legend used when sel
88. e ARIS MEDICAL SYSTEMS Signature Edition Technical Service Manual 4 5 Directory Figure 4 3 Electrical Partitioning Rate amp State Indicators LED Matrix Drive amp Test 5x6 Keypad Interface 27 Keys 1 Chan Pump AG LED Combo 1 Motor Current Logic Serial intf Controller RAM Test Logic ROM CRC Logic LCD interface Logic Audio Tone Generator Master Audio Motor Timing Logie Sensor Interface Amplifier UART RS232 HDWR 9600 Baud RS232 Compatible 80C188 CPU 256KB EPROM 25MHz Xtal Motor Control PWM Stepper interface AJD Converter Motor Current Sense 12 Bit Resolution 8 Input Multiplexer Mechanism Assembly Main Speaker RS232 ESD Board RS232 Connector Stepper Motor ESD Pelo d Sensors ECD Inf Optional Nursecall ECD Roan maus Sensor Interface Off Line Switching AC Input gt Supply Line Filter 42 90 264VAC 50 60Hz Custom Module 4 5 Power System 4 5 1 Battery Manager For general information also refer to Chapter 1 The Battery Manager 034 040 is a custom programmed microcontroller with of 1K of RAM memory The Battery Manager has two system time bases a 32 kHz crystal Y2 and a 4 MHz ceramic resonat
89. e and visual LCD D7 0 LCD 512 LCD LED wre Backlit Graphic icD_RS LCD Module 5 Bit PWM to 0 200mA 8 Bit PWM to TV to 44y Converter BATT_IRPT COMBO Battery SEG23 0 Digital Processor come Lower Input r Display COMBO IC KYBD IRPT Serial LED Control Module Unit Signature Edition Technical Service Manual Directory MEDICAL SYSTEMS FUNCTIONAL DESCRIPTION alarm indication The Graphic LCD Module provides user information on a 128x64 dot matrix display with LED back light The Lower LCD display shows the current battery run time along with the current audio level selected communications interface status panel lock status and battery refresh status 4 7 1 Main Speaker Driver The main speaker driver is based on an LM386 low voltage speaker drive chip U32 U29 driven by an exponentially weighted 4 bit control signal AMP 0 to 3 modulated at the desired frequency 200 Hz 4 kHz by the COMBO IC U10 074 The speaker 15 pulsed at 3 to 50 mA with a 50 duty cycle max 100 mA The driver has a fixed 26dB gain which provides up to 3Vpp AC coupled into an 8Q speaker The speaker is tested by monitoring the speaker current with a 0 511Q resistor The voltage across the resistor is amplified rectified and compared to low and high thre
90. e notice D2 in the upper right corner of the display 2 Press the Setup soft key 3 Press and release the soft key to cycle between On and Off 4 Press the Interual soft key 5 Use the numeric key pad to enter the desired maintenance interval 1 to 52 weeks Press ENTER Setting the PM Interval always resets the PM Due to the same value as the PM Interval NOTE PM Due decrements with calendar time and is displayed to the nearest week NOTE Pressing the Reset PM Due soft key resets the PM Due to the displayed PM Interval 6 Press to accept the change and return to the beginning of the D2 page lt 4 6 10 Signature Edition Technical Service Manual TROUBLESHOOTING 6 4 3 Viewing Alarm or Error History Event Log 1 From the D2 page press the Hi x tori key The History Log will keep all major changes 1000 to the pump in memory Entry 01 will be the most recent and entry 1000 will be the oldest For mode state changes the first line will say Misc Inst Miscellaneous Instruction Alarms and errors may be channel specific or instrument related this will also appear on the first line The second line will give you the month day year hour and minute the entry event took place The third line will show the event entry that occured Memory can be cleared in the History Log by disconnecting AC and battery powe
91. e Battery Manager reset input This allows the user to reset the Battery Manager through hardware when the Battery Manager is stuck in a watchdog error The system power is also turned off at this time because the pulse resets the power latch U40 9 U39 9 bringing PWR ON low The 10 Hz signal also goes to an interrupt input of the main processor It is used to compare the time base of the main processor with the time base of the Battery Manager Nominally the timebase is 100 ms 1 ms from falling edge to falling edge 10 HZ 10HZ TO MAIN PROCESSOR Ls RESET U36 U46 U40 U39 WD_OUT lt gt NCALL_WD eS 035 049 OUT 4 4 12 Signature Edition Technical Service Manual MEDICAL SYSTEMS FUNCTIONAL DESCRIPTION 4 5 18 Power Switch The power on off switch es are located on the keypad The switch es are not included in the Standard keypad matrix One Two output s 15 generated PWR_SW PWR SW A B one for each channel The signals are pulled up to 5V by VBKUP supply through two pull up resistors VBKUP is the supply for the backup audio These signals are decoupled from the signals that drive the Battery Manager logic PWR SW PWR SW A B through two 100K resistors The PWR SW PWR SW signals drive interrupt inputs in the Battery Manager 034 040 and are used by the error reset and power on circuits Upon recognition of the power switch the B
92. e change in the transducer over time The difference between the two right numbers shows the change in the transducer due to temperature 1 ADC count 0 37 mmHgs 1 5 mmHgS 1 mmHg 4 Press the soft key to return to the main D6 page 5 To change a Selected TC perform the following a Press the upper left soft key twice The only response will be two beeps b Press the ic soft key C Use the numeric keypad to enter O O d Press ENTER e Press ok NOTE Selected 0 0 with software is 2 02 or higher If not will has Perform Temp Cal message when in pressure calibration soft 6 Pressing lower left soft key from the Step 3 will show DAC information It is for future use and not to be used at this time 54 6 22 Signature Edition Technical Service Manual TROUBLESHOOTING 6 4 19 Configuring Pressure System Auto Zero 1 Press upper left soft key to access Auto Zero option 2 Press bottom center soft key to access other screens in Diagnostics Mode 3 Press Auto Zero soft key to highlight settings Press Auto Zero soft key again to change between Cini SUI and Press to accept change and return to main D7 page Press iinicia to return to previous setting ALARIS Signature Edition Technical Service Manual 6 23 Directory DIAGNOSTICS Map of Diagnostics Screens Signature Edition Technical S
93. e numeric key pad to enter the rated capacity of the new battery Press ENTER 2 3 4 Press to accept the change and return to the beginning of the D2 page EDICAL SYSTEMS ALARIS Signature Edition Technical Service Manual 6 13 Directory TROUBLESHOOTING 6 4 7 Viewing DC Voltages 1 Advance to the D3 page Set ID Humber 2 Press the ioi tages soft key 3 Press the re turn soft key to return to the D2 page 6 4 8 Setting ID Number An ID number may be useful for asset tracking maintenance records etc 1 On the 03 page press the at iL Muir key 2 Press bottom left soft key to highlight 3 Use the numeric key pad to enter the desired identification number Press ENTER The ID Number be up 9 digits 4 Press mk to accept the change and return to the beginning of the D3 page LU 4 4 6 14 Signature Edition Technical Service Manual TROUBLESHOOTING 6 4 9 Viewing Battery and Total Run Times 1 On the D3 page press the Hur Times soft key clear battery run time Total run time will not clear 3 Press to accept the change and return to the beginning of the D3 page 6 4 10 Viewing Self Check Timer The self check timer is an interval at which the software checks the pressure
94. eck connector Replace battery Replace Main PCB Return to factory BK SPKR CONECT Backup speaker power didn t connect Start up Replace Main PCB Return to factory BK SPKR DISCON Backup speaker power didn t disconnect Start up Replace Main PCB Return to factory BKUP SPKR ERR Backup speaker didn t operate Start up and run Replace Main PCB Return to factory CLOCK SYNC ERR Main CPU and watch dog clocks do not agree Replace Main PCB Return to factory CPU TEST FAIL CPU test failed Start up and run Replace Main PCB Return to factory ECD UNINSTALLED Fault in flow sensor interface Check ECD Board and connections Replace Main PCB Return to factory EEPROM BAD CRC Unrecoverable EEPROM CRC error Replace Main PCB Return to factory EPROM CRC CRC generator output did not equal CRC value in ROM Replace EPROM Replace Main PCB Return to factory HW CRC GEN CRC generator did not return zero after last byte Replace Main PCB Return to factory HW MALFUNCTION Battery Manager reported hardware malfunction Replace Main PCB Return to factory ILLEGAL RESET Processor reset while running Replace Main PCB Return to factory LATCH ERR Latch sensor failed Check placement connector Replace mechanism Return to factory LCD R
95. ect the Panel Lock Key Pad flex cable by lifting up on locking bar RS 232 Connector Cover removed Hex nuts c Disconnect speaker and fan from RS 232 Board Panel Lock Key Pad Flex Cable Speed Nut RS 232 Board Screw Fan Speaker Connectors Locking Bar Fan Tab Speaker Speaker Tab Fan d Remove screw on RS 232 board using Phillips screw driver then remove the RS 232 board RS 232 Board Cable Directory 4 5 8 Signature Edition Technical Service Manual CORRECTIVE MAINTENANCE 5 To replace the line filter remove screw from Line Filter using Phillips screw driver Remove two screws from exterior power connec tor using Phillips screw driver Remove exterior power connector and Line Filter assembly a Line Filter Line Filter Screw 6 To replace speaker fan assemblies spread clips and remove the fan or speaker Disconnect from RS 232 Board if necessary Fan Clip Speaker Speaker Clip Fan 7 To replace the Heat Sink remove speed nuts inside the rear case using a 3 8 socket wrench Remove the Heat Sink Speed Nuts Heat Sink Line Filter Disassembly of the rear case is now complete Signature Edition Technical Service Manual 5 9 gt Directory 4
96. ecting a drug It is from this screen that you page forward to select a drug or select to go to the Summary Page Use the short list symbol s to select drugs that will appear in the short list This is a convenient way to display frequently used drugs immediately in the normal drug selection process startup mode press options key Use the extended list symbol e when selecting drugs to appear on the extended list The extended list if configured provides a secondary list of drug names not normally used Press at any time to display the Summary Page Press piace to advance to the next page 3 Press and release the Ex terie List soft key to cycle between s and blank If blank is selected the Extended List will not be available 4 Press and release the soft key to cycle between s e and blank Use s for commonly used drugs 5 Press and release a soft key next to a drug to cycle between s e and blank Press to continue viewing the drug list Refer to Table 2 2 Drug List to view full list of drugs 6 Press ciere to display the Summary Page 7 Press review to return to the introduction screen or press to accept the selections and return to the C2 page 4 2 6 Signature Edition Technical Service Manual Directory CHECKOUT AND CONFIGURATION Table 2 2 Drug List 7100 7200 only Alfentanil Alfent Alprostadil Prostin
97. edical Systems assigned part number in one of two categories e ALARIS Medical Systems designed and built parts e ALARIS Medical Systems procured parts built by an outside vendor ALARIS Medical Systems custom built parts all have 1 XXXXX series part numbers Commercially available parts all have 3XXXXX series part apter 7 ILLUSTRATED PARTS BREAKDOWN numbers It is recommended that such parts be purchased from ALARIS Medical Systems whenever possible When a part number is not indicated in the table that part is not sold c DESCRIPTION This column provides descriptive data type size color specification required to identify the part when ordering it or replacing it Abbreviations used for circuit designators are found in Table 1 2 Hardware is metric except for self tapping items d QTY This column indicates the total number of each part used in a specific application within the illustrated assembly or subassembly 7 4 Ordering Parts Parts can be ordered by writing or calling ALARIS Medical Systems Customer Service at the address and phone numbers below When requesting a part provide the following information e Instrument name and model number Volumetric Pump Model 7200G e The component six digit part number e The description of the part which appears in the parts list For labeling be sure to specify required language NOTE As a result of continuing product development the
98. el in the container bag or vented edi bottle with unvented administration set or the 3 3 4 Rate Accuracy Verification Test drip chamber unvented bottle with vented MEM administration set Refer to Figure 3 2 Setup for Rate Verification Test NOTE You may need to run instrument to prime line to 0 2 2 level of burette NOTE Due to the Dynamic Monitoring feature the rate 15 varied during operation For this reason ALARIS Medical m Adjust the fluid level so the meniscus Is level with Systems does not recommend using automatic testers to h k check rate accuracy Generally these devices collect small the zero mark on the burette samples and may cause the results to be incorrect even though the instrument is accurate n Verify primary infusion rate is 400 ml hr Reset the VTBI to 40 ml 4 3 4 Signature Edition Technical Service Manual Directory Press the channel s RUN HOLD to start the primary 3 3 5 Pressure Calibration infusion a Place instrument on bench or other flat surface p The pump will run approximately 360 seconds to and connect to AC power deliver 40 ml then go into KVO mode Stop the b Connect pressure meter hand pump and pump within 1 second of KVO operation reservoir to pressure calibration set Refer to Verify the volume collected is 40 0 ml 2 0 ml Figure 3 3 Pressure Test Setup 5 Install a pressure cal set 70155 into the If rate acc
99. embly is removed by peeling it off the front case Take a corner of the Key Pad and peel it away from the front case Front Case Key Pad Assembly MEDICAL SYSTEMS CORRECTIVE MAINTENANCE Adhesive will remain on the surface of the front case Remove any remaining residue from surface before applying new Key gt 3 1 La Alcohol may be used remove adhesive residue f Position the front case so that it faces you Fold back a small portion of the protective backing along the right side of the Key Pad Insert the Key Pad Assembly flex cables into the slot and guide them through Key Pad Assembly flex cable Slot g Align the right edge of the Key Pad Assembly and affix If aligned proceed to remove the remaining protective backing as you lay it into place With your fingers press around the perimeter of the Key Pad Assembly to assure adhesion to the front case and prevention of fluid ingress ARIS MEDICAL SYSTEMS Signature Edition Technical Service Manual 2 Directory CORRECTIVE MAINTENANCE h It may be necessary to loosen the Main PCB to gain access to the flex cables from inside the front case To do so remove screw from Main PCB using Phillips screw driver Lift and move the Main PCB to the side to gain acc
100. ent 5 detected drop event occurs when a fluid drop passes between the emitter and detector of the Model 180 drop sensor and appears as a generally negative going short duration pulse on the DROP A B signal Detector comparators U8B U7B generate 0 to pulse when a drop signature of appropriate length and duration occurs One shots U9A B generate a nominal 20 ms pulse which indicates a valid drop ECD SIG AVECD SIG B The main system processor processes the pulse stream and determines whether the drops are occurring properly for the current instrument rate and operating mode I e primary secondary EMC filtering is provided by filters C4 8 to limit energy into or out of the flow wensor connecxtion pins e Option Installed and Sensor Installed Circuit The installed option detection consists of the input signal on pin 7 of J3 tied to 5V on the board The main processor has a pulldown resistor on the ECD INSTALLED signal which generates a logic low signal if the option is not installed Flow sensor installed signals are generated by monitoring the LED current sink drive transistor collector voltage Comparator U2A U2B monitor the voltage and generate a 5V output signal if they drop below about 1 7V Note that nominally the collector voltage should not go below about 4 4 22 Signature Edition Technical Service Manual Directory 42 2 2V with flow sensor attached and driven at maximum current F
101. ervice Manual 6 25 D 7 1 Introduction The illustrated parts breakdown for the instrument is divided into final assembly major assemblies and individual parts Figures 7 1 through 7 3 are exploded view illustrations of the mechanical and assemblies Each figure is preceded by a parts list referencing that particular figure Figure 7 4 shows the label and literature assembly for the pump 7 2 Illustrations Exploded View Illustrations The exploded views serve as visual aids for identifying the parts of each assembly Item numbers appearing in a bubble with an arrow identify each part shown The accompanying parts list describes each part in detail 7 3 Parts List The parts lists provide part numbers and descriptions of every part and component sold for the volumetric pump Each parts list refers only to the corresponding drawing which follows it The parts lists consist of columns the content of which are explained in more detail in the following paragraphs a ITEM This column in the parts lists shows the item number of each part appearing in the corresponding illustration Following each item number in the parts list is the part number and description All parts that are identical or interchangeable are assigned one item number e g labels in various foreign languages or same part descriptions for both single and dual channel pumps b PART NUMBER The number which appears in this column is an ALARIS M
102. ery 5 seconds d Hot charge phase charges at a rate of 180 mA for a total time of 18 hours if battery temperature is more than 36 C Charge stops above 43 C and starts below 43 the cool down time is in addition to the 18 hour charge time Table 4 2 Battery Trip Points Battery Voltage Instrument Response 12 0V Single e 15 minutes left on gauge 12 1V Dual e Unit continues to function e Warning tone activated ow battery warning 11 45V e Unit does not pump e Constant alarm ow battery alarm Depletion 10 25V e 5 min after low batt alarm e Backup speaker activated e Instrument shutdown 5 min after alarm 9 75V No AC power applied e Battery disconnected from circuit by shutdown signal 4 5 4 Refresh Cycle Load The battery refresh feature uses the refresh cycle load circuit to add an additional resistive load across the battery to accelerate the discharge when the instrument is plugged into AC and the instrument is either on or off The signal DUMP RES generated by the Battery Manager is used to turn on the FET transistor Q9 034 to apply the 47 ohm 7 Watt R273 R353 load to the battery 4 5 5 VAO Shutdown VAO SOURCE is used to supply power to the Battery Manager its supporting circuitry and the RAMs When the instrument is turned off these supplies remain active If AC is unplugged and the battery has decreased to approximately 9 75V the Battery Manager has the
103. es and troubleshooting information on the main LCD display of the instrument The pump can be configured to your specific operational requirements and allows upgrades for future product enhancements The pump has been designed to interface with accessory equipment including nurse call system and or computer monitoring system This manual contains instructions for maintenance repair and configuration of the instrument The maintenance and repair sections of the manual are written for personnel experienced in the analysis troubleshooting and repair of analog and digital microprocessor based electronic equipment ALARIS Directory Signature Edition Technical Service Manual 1 1 Specifications RATE RANGE 0 1 to 999 9 ml hr in 0 1 ml hr increments primary 0 1 to 270 0 ml hr in 0 1 ml hr increments secondary VOLUME TO BE INFUSED RANGE 0 1 to 9999 9 ml in 0 1 ml increments primary 0 1 to 999 9 ml in 0 1 ml increments secondary VOLUME INFUSED RANGE 0 0 to 9999 9 ml in 0 1 ml increments KVO RANGE 0 1 20 0 ml hr in 0 1 ml hr increments SYSTEM ACCURACY 596 ln ALARMS Air In Line Hold Time Exceeded e Ocdusion Downstream e Battery Depleted e Instrument Malfunction Occlusion Upstream Channel Malfunction Key Stuck e Primary Flow Detected During Secondary e Computer Link Failure Latch Open e Set Up Time Exceeded Flow Sensor Unplugged No Upstre
104. ess to the flex cables Board Screw Flex Cables Pull the flex cables through and to the side of the Main PCB Reattach the Main PCB to the front case Connect the flex cables to the Main PCB i Reconnect power supply board connector battery cable and 5 232 flex cable from front case j Reassemble both case halves following the instruc tions in Section 5 4 Disassembling Pump but reverse sequence See section 5 4 4 on cable routing before closing the pump k Remove any protective covering from the front of the Key Pad Assembly Turn on the instrument verify that the instrument beeps and that all display segments flash This confirms that the pump has performed its self tests and is operating correctly The instrument configuration values remain that same as those before power was disconnected It is not neces sary to reconfigure the instrument m Test the switches Refer to Section 6 4 15 Testing Switches to confirm that each switch is functional The replacement of the Key Pad assembly is com plete ALARIS a Signature Edition Technical Service Manual 5 17 Directory CORRECTIVE MAINTENANCE 5 4 4 Reassembly Procedure for Cable Routing NOTE Cable routing may change over time to ensure wires are not pinched and ease of assembly and disassembly is maintained When the pump was opened if the cable rout ing was different follow that cable routing scheme
105. est of the instrument informing the main processor which switch was pressed Once power is on further presses of a power switch are passed on to the main processor which determines the appropriate response under the existing conditions If the response is to turn the power off the main processor requests that the 1 3 7 Clock The Battery Manager provides a 1 zt tie t ime clock which the main processor can set and read This clock consists of a 32 bit counter which is incremented once a second under all conditions The main processor uses this counter as a means of determining elapsed time even when power has been turned off The clock is used to determine when a battery refresh cycle is required as well as compensating for normal battery capacity degradation over time Battery Manager remove power from the rest of the 1 3 8 Battery Maintenance instrument CAUTION use only ALARIS Medical approved batteries due to Battery Manager requirements and If an error h n detected which causes the the thermostat contained the battery assembly watchdog to be in alarm a push of either power switch will immediately cause the power to be turned off without intervention by the Battery Manager 1 3 6 Lower LCD Display The Battery Manager also contains the driver for the Lower LCD Display In addition to the battery gauge this display contains a tour character alohanumeric configuration display and several icons The i
106. estart counter is reset whenever the clinician presses Run Hold if the pump or channel 15 turned off or if an alarm Occurs NOTE When infusion is started the resistance may be other than 0 depending on solution viscosity catheter tubing size and filters e Resistance Alert provides an early warning of slow or gradual changes in the resistance of the IV line site The Resistance Alert marker can be set trom 5 to 100 It allows the nurse to monitor resistance and will provide a tone every 30 seconds if the percent resistance exceeds the resistance alert mark e The resistance display may be turned off If off the system will continue to monitor downstream resistance and alarm appropriately RATE HI PRESSURE RESULT SET RATE RATE LOW F nominal FLOW CAUSE Figure 1 2 Resistance Graph e e UJ e e A IN PRESSURE PRESSURE mmHg 0 TIME OCCLUSION 10096 A IN PRESSURE N ul 5 FLUID OHMS mmHg Liter Hr 9 0 OCCLUSION Figure 1 3 Pressure and Resistance Graph Pressure rise is quite small with site complication especially with low flow rates Resistance rises dramatically with site complication lt 4 1 10 Signature Edition Technical Service Manual ARIS MEDICAL SYSTEMS 1 6 Data Communications Function The instrument has built in remote monitoring capability This allows features and their data
107. ey are not pinched or stressed when reassembled NOTE No fluid in set for mechanical leak test NOTE Ensure clamp is in the closed position NOTE When air pressure is first applied a few bubbles are acceptable during mechanical leak check NOTE Care should be taken to avoid applying too much tamper seal so it does not effect the transducer NOTE There is one case screw inside battery compartment NOTE If as a result of the following calculation the new rate cal value falls outside the range of 182 to 214 return the instrument to ALARIS Medical Systems or replace the mechanism NOTE The disposable set 7ORCS cannot be used for more than 40 rate accuracy verification runs 20 rate cal number changes NOTE If unit operation is at all doubtful perform a complete PM procedure This table provides minimum test requirements NOTE Steps listed are in order of actions to take to correct problem fault NOTE Mechanism and boards can only be replaced in 7100E 7200E or later instruments NOTE Record alarm history using the Alarm or History Error mode described in Section 6 4 3 Viewing Alarm or Error History before disconnecting the battery disassembling troubleshooting or testing the pump NOTE Pressing undo or cancel will undo any edits made to that page and stay on the page Pressing ok will accept all information on the page and progress to another page in Diagnostic Mode NOTE PM Due decrements with
108. f electronic part packaging which mounts on the surface of a printed circuit board Custom programmed microcontroller used for battery management control of the Lower LCD Display power on and watchdog functions Plastic Quad Flat Package A surface mountable electronic package Random Access Memory Memory whose data can change under CPU control Data is lost if power is removed A circuit which monitors the proper operation of the 80C 188 microprocessor and clocks Universal Asynchronous Receiver Transmitter A logic device which formats data as a serial bit stream for remote communications Transducer A sensor used to detect air in the tubing Passes high frequency sound through fluid filled set VCO Voltage controlled oscillator An oscillator where output frequency can be varied through a control voltage ALARIS MEDICAL SYSTEMS Signature Edition Technical Service Manual 4 3 gt 4 4 Main 4 4 1 Processor Kernel The processor kernel is responsible for controlling the motor actuation sensing and responding to user input monitoring various system sensors and performing start up and on going system operational testing The kernel is based on a 16 bit 80C188 microprocessor 011 U75 512K Bytes of EPROM program storage and 64K Bytes of battery backed up RAM data storage In addition the kernel has 2K bits of EEPROM memory and a 9600 baud serial communications interface The COMBO IC U10 U
109. faults A hospital biomedical technician has the capability to set all configuration parameters to their start up defaults in a single operation The terms configuration parameters and programmable features are interchangeable and have the same meaning Refer to Table 2 1 Configuration Options and Defaults for the instrument s options and initial factory start up defaults 2 4 Configuration Procedure The configuration procedure is for use by qualified service personnel only The configuration mode is intended for programming the technical and clinical features in accordance with your institution s current procedures and practices Default values are listed in Table 2 1 Configuration Options and Defaults Record the instrument configuration settings using Table 2 3 Record of Configured Instruments A fold out map of all the configuration screens is located at the end of this chapter Figure 2 1 Pressing a soft key at the side of the main display the first time selects it for editing Some features are edited by subsequent presses of the soft key to cycle through available options Other features are edited by means of the numeric keyboard entry Pressing tric will undo any edits made to that page and stay on the page Pressing will accept all information on the page and return to menu page Pressing POWER switch after editing a configurable item will evoke an invalid key tone a message to en
110. ge current by turning the charger on and off with the appropriate duty ratio The battery charge cycle consists of four modes fast charge top up charge float charge and hot charge a Fast Charge Fast charge is initiated whenever the battery is less than 36 C and has been discharged by more than 200 Ampere seconds through actual use or self discharge Leaving the instrument unplugged for a day would cause about 200 Ampere seconds of self discharge The charge current is a continuous 1 Ampere The end of a fast charge is detected when the temperature of the battery rises 7 C above its temperature at start of charge and is at least 30 or when the battery voltage declines by 192mV below its peak value or total charge time exceeds 3 2 hours Also refer to Battery Charge Regulator section 4 5 3 for further details b Top Up Charge The top up charge phase begins at the end of the fast charge phase and finishes adding the last few percent of charge to the battery and balances individual cell charges This phase charges at an average rate of 180 mA 1A for 0 9 seconds every 5 seconds for 180 minutes At that time the instrument will go into float charge mode The charger will suspend top up if the battery temperature exceeds 379 The time spent to cool down to below 37 is in addition to the 180 minutes top up charge time If top up cool down time exceeds 5 1 2 hours the instrument will go into float charge mode MEDICAL
111. greements for post warranty service Call toll free 800 482 4822 ALARIS Medical Systems for information 1 1 INTRODUCTION This manual covers Signature Edition versions with software 2 44 and higher and is the initial release of the 7101A 7201 version Series includes 7100F 7200F 71006 72006 7101A and 72014 710X means 7100 and 7101 iterations There are two specific model groups 7100G 7200G and 7101A 7201A The key differences are HARDWARE The 7101A 7201A Series is labeled for 220V with two power cord options and has isolated RS232 Board potential equalization PE connector drop sensor board installed There is no Nurse Call option The keypad has symbols instead of words SOFTWARE The 7101 7201 Series has no drug list Drug only some defaults are different in configuration mode and there are seven 7 languages to choose from The IVAC Signature Edition system includes the SE Model 710X and SE Model 720X Volumetric Infusion Pumps and AccuSlide administration sets Refer to the Directions for Use manual for complete information regarding the setup and operation of the pump The Model 7100 7200 Series pump is a 100 240 VAC 50 60 Hz instrument family that supports both single and dual channel fluid delivery Each instrument carries identification labels designating its model and serial number The pump features user interactive software It displays prompts alarms and alert messag
112. h this causes the output of comparator U13 7 U25 1 to switch low and transistor Q18 Q23 to turn off this quickly turns on Q1 7 A 1000 pF capacitor is in series with the output of U13 7 U25 1 to speed up the switching time of Q4 Q17 when the comparator output goes low Two motor current sense comparators are included in the motor drive circuit to provide a means for the instrument to detect that an instrument malfunction that results in a watchdog alarm will shut off current to the motor The signal WD OUT when at a logic low is the indicator for a watchdog alarm When motor current of approximately 20 milliampere or greater flows through either motor winding the motor current sense comparator output SNS U12 7 U12 1 U17 1 U17 7 will be at a logic low Both motor windings would have to have a motor current of less than 100 milliampere for the motor current sense comparator output to go to a logic high ALARIS Directory IVAC Signature Edition Technical Service Manual 4 15 gt Figure 4 9 Motor Drive Circuit Phase 11 MTRA 197 014 927 Q18 023 1A PH 1 MIRA A MTRA PH 1 VIA U13 7 U25 1 HASE A SENSE RESISTOR Figure 4 10 Motor and Mechanism Sensors Block Diagram WD OUT MOTOR CURRENT 1 A B MOTOR COIL 1 Combo IC e PWM Out pu t MOTOR_CURRENT_2_A B Const
113. h and air in line excluding 10 bleach solution in water Calgon Vestal Laboratories Division of Calgon Corporation Subsidiary of Merck Co Inc arm 2 Healthcare Subsidiary Building Service amp Cleaning Products a Division of 3M This is a trademark of Building Service amp Cleaning Products a Division of 3M c No additional lubrication should be necessary lt 4 3 2 Signature Edition Technical Service Manual ARIS MEDICAL SYSTEMS 3 3 Preventive Maintenance Inspections A message can be set through the diagnostics mode which automatically reminds the user when preventive maintenance inspections are due Refer to Section 6 4 2 Setting Preventive Maintenance Interval for setting the inspection interval 3 3 1 Regular Inspection Regular inspections consist of a visual inspection for damage and cleanliness and performing the procedure described in the Start Up Sequence Section of the Directions For Use manual before each usage of the instrument Regular inspections are not covered under any contract or agreement offered by ALARIS Medical Systems and must be performed by the user Case Examine the unit for overall condition The case should be clean and free from IV solution residue especially near moving parts Also check for dried solution deposits on accessible areas of air in line sensor pressure transducer and latch mechanism Check that labels and markings are legib
114. he speaker volumes are approximately Low 65 dB Med 70 dB and Hi 75 dB 1 On the C4 menu press the 41 2 soft key 2 Press and release the iic i uimez soft key to select for editing Press again to cycle between Lou Plec Hi PMed Hi orHi 3 Press the Trans Tore soft key to select for editing Press again to cycle between and 4 Press to accept the changes and return to the beginning of the C4 page 2 4 13 Setting Configuration Name Instrument ID Label The characters entered here will be shown in the lower LCD display This electronic label is normally displayed even when the pump is off The configuration name can be used to uniquely identify the instrument s configuration hospital location or reference number It is a 4 character alpha numeric name examples are PICU Pediatric Intensive Care Unit ICU Intensive Care Unit or 2400 MEDICAL SYSTEMS 2 14 Signature Edition Technical Service Manual 2 Directory CHECKOUT AND CONFIGURATION NOTE You will see a 4 digit aloha numeric code next to the configuration name upon entering configuration mode Refer to Section 2 4 1 Entering Configuration Mode This code is only a hexadecimal reflection of your instrument s configuration 1 On the C4 menu press the Configuration soft key 2 Press and release Config Hame soft key to position the highlight on the character to be changed 3 Press and rele
115. higher Item 005 Main Keypad Assy Item 040 Power Supply Item 060 Battery Cable Interface Item 61 LCD Module Item 80 lower LED Module Item 100 Case Front Dual Channel Item 250 Case Back Dual Channel Item 300 Dual Channel Case Seal Item 399 Handle Cap Item 435 Feet Item 416 Serial Number Replacement Label Item 603 Name Rating Label Item 606 Start Up Label Item 608 Learn Teach Cable All Models Nurse Call Cable 7100x 7200X only Board Assy Battery Manager 3 06 Tie Strap All Models Pressure Cal Set Rate Calibration Set Flow Sensor Kit 7100X without software Flow Sensor Kit 7200X without software Flow Sensor Kit 7100X with software Rev 2 44 Flow Sensor Kit 7200X with software Rev 2 44 Flow Sensor Kit 7101X Cap amp Flow Sensor Flow Sensor Kit 7201X Cap amp Flow Sensor NOTE If model is not specified the part can be used all versions 7100X 7100E 7100F 7100G 120V VERSION 7101X 7101A 220V VERSION TO INSTALL FLOW SENSOR KIT INSTRUMENT MUST HAVE REV 2 44 OR HIGHER SOFTWARE 7 2 Signature Edition Technical Service Manual 2 Directory ILLUSTRATED PARTS BREAKDOWN Figure 7 1 Case Assembly Item Part Number Description QTY 090 141788 Battery Pack Conditioned 7100F G or 7200F G 7101A 7201A 1 250 141496 Case Front Single Channel order keypad labels and feet separately 141498 Ca
116. ic keypad to enter the desired alert Press ENTER The value will round to the nearest 5 6 Press ak to accept the changes and return to the beginning of the C4 page NOTE Resistance trend graph data is lost when 1 Clear is pressed 2 Pump is off for more than 6 hours NOTE Resistance measurement is restarted at O96 when 1 Run Hold is pressed to put on hold and again to start 2 Dose ends in Multi Dose mode 3 Checking line message appears NOTE Checking line alert applies to pressure resistance and upstream occlusion with one tone at the beginning and a flashing popup display on for 4 seconds off for 6 seconds No nurse call activation NOTE Resistance alert will give an alarm tone every thirty seconds with a popup display on for 4 seconds off for 6 seconds Nurse call activated This occurs when the resistance measurement is above the alert threshold or at 10096 even when checking line 3 6 9 Clear MEDICAL SYSTEMS 2 4 12 Setting Audio Volume The volume settings determine which range of audio volume 15 available to the clinician For example Low may be too low for your institution therefore you would choose Med Hi A transition tone if enabled will sound upon completion of a secondary VTBI step multi step mode dose beginning and ending in multi dose mode and completion of a loading dose in loading dose mode T
117. id container filled with water 3 Install set in the pump and close the latch 4 Connect variable pressure air source reservoir and pressure meter to set at bottom of instru ment 5 Apply pressure of 15 psi 1 psi 775 mmHg 50 mmHg for one minute 6 Verify air bubbles do not continue to show up in the fluid container NOTE When air pressure is first applied a few bubbles are acceptable during mechanical leak test 7 If bubbles continue to show in the fluid contain er return instrument to factory or replace mecha nism or case as needed 5 6 4 Pressure Verification and Calibration Test Refer to Chapter 6 Calibrating Channel Pressure for soft cal procedure 5 6 5 Set Sensor Check 1 Enter Diagnostic Mode and advance to page D6 2 Install set and allow a 1 one hour warm up while in Diagnostic Mode 3 The sensor reading with set in should be greater than 55 90 mmHg auto zero on auto zero off 4 Remove set and close the latch The sensor read ing with set out should be 30 to 80 mmHg If not perform soft pressure calibration Chapter 6 MEDICAL SYSTEMS Signature Edition Technical Service Manual 5 21 Directory 5 6 6 Test Mode The test run mode enables the instrument to run without fluid after being repaired To run the instru ment without fluid perform the following 1 Figure 5 2 Leak Test Setup Cut AccuSlide segment out of standard set
118. iguration Chapter 2 e Rate Verification Chapter 3 e Pressure Verification Chapter 3 e Set Sensor Check Chapter 3 ALARIS Signature Edition Technical Service Manual 2 1 Directory Table 2 1 Configuration Options and Defaults FEATURES OPTIONS FACTORY DEFAULTS 7100 7200 7101 7201 7100 7200 710117201 Air in Line Threshold 50 100 200 or 500 ul 50 100 200 or 500 ul 100 ul 100 pl Reset On Off On Off Off Audio Volumes Low Med Hi Med Hi Hi Low Med Hi Med Hi Hi Low Med H Low Med Hii Transition Tone On Off On Off On AUTO ZERO On Off On Off Off Set in Diagnostics Mode Computer Link Ctri Mntr Off Off Ctri Mntr Off Mntr Off Off Off Baud Rate 300 600 1200 1800 2400 4800 9600 300 600 1200 1800 2400 4800 9600 9600 9600 Parity Even Odd None Even Odd None None None Dose Rate Drugs Extended List Access Short Extended Off Off 2 Short Extended Of Drug only Short Drug only Drug Specific Access Short Extended Off Off Dynamic Monitoring Mode Hi Resist Resist Pressure Hi Resist Resist Pressure Pressure Resistance Display On Off On Off On On Restarts 0 Off 1 to 9 0 Off 1 to 9 3 3 Alert On Off in 5 increments On Off in 5 increments Off Instrument ID 9 digits 9 digits Serial Number Serial Number Set in Diagnostics Mode
119. igure 4 17 Flow Sensor Interface Block Diagram Drop_A B 2 8V 5 Model 180 Flow Sensor U1 U6 U1 Q4 T U7B U8B o ATE M Constant Sense 04 Sample U8 ECD SIG Capacitor Capacitor Drop GAB Integrator 2 Current L Detector gt shot Sink lt 18 23 V Combo V ECD_INSTALLED Timing __ CLK_32K Hz Logic gt ALARIS MEDICAL SYSTEMS Signature Edition Technical Service Manual 4 23 4 ater 5 CORRECTIVE MAINTENANCE 5 1 Introduction This chapter contains procedures required to proper ly disassemble repair and replace parts as well as to test calibrate and reassemble an instrument If a problem 15 detected Included in this chapter 15 a list of test equipment required to perform these func ome ae tions Table 5 1 Test Equipment lists equipment required for normal checkout or maintenance of the you volumetric pump Table 5 2 Level of Testing ood sence Guidelines provides tests for various levels of a xsl 2552 200 repair pone ey A thorough familiarization with the function and operation of the mechanical assemblies and electri cal
120. inder Resistance Restart Resistance Alert Self Check required Software Shutdown Upstream Occlusion restart VI M logged every hour while infusing ALARIS MEDICAL SYSTEMS Signature Edition Technical Service Manual 6 11 gt Directory TROUBLESHOOTING 2 Pressing the page soft key enables you to scroll forwards and backwards to the next event screen Events are listed on a last in first out basis 3 Press re turni soft key to return to the D2 page NOTE If AC and battery power are disconnected from the instrument event history may be lost 6 4 4 Setting Time and Date 1 On the D2 page press the Set Time soft key 2 Press th soft key to hightlight Press Month soft key as needed to get desired month 3 Press Lia te soft key to hightlight Enter date on keypad and press enter 4 Press soft key to highlight Enter year keypad and press enter 5 Press T ite soft key to highlight hours military time 24 hours on keypad and press enter If hours is correct and you only want to change minutes press Time soft key again to hightlight minutes NOTE The year setting is four digits and will accept year entries of 2000 and beyond The default date and time is Jan 1 1970 00 00 NOTE The software clock may lose up to 3 minutes per month Reset the time as part of Preventive Maintenance or more often as desired NOTE When the clock is reset for current ti
121. ing Pump NOTE Calibration coefficients for the transducer are stored in the EEPROM on the main board assembly Once they have been calibrated the Signature Edition mechanism and board assemblies become a matched set Replacement of either requires pressure and rate calibration Assemble the pump in the reverse sequence of the disassembly instructions and section 5 4 4 on cable routing before closing the pump When reassembling the case halves install and tighten the case mounting screws as follows 1 Install and snug each screw beginning with the 1 screw and following the sequence in figure until all screws are snug and case halves are flush 2 Tighten each screw a 1 4 turn more beginning with the 1 screw installed and following the sequence shown 3 Close latch when assembly is complete 4 f ECD feature is not being used install rubber plug in flow sensor receptacle Rubber Plug Case Screws Dual channel Case Screws Single channel ARIS MEDICAL SYSTEMS 5 20 IVA Signature Edition Technical Service Manual Directory CORRECTIVE MAINTENANCE 5 6 Test and Calibration Additional testing and calibration may be required after certain repairs are completed These tests are in addition to the Preventive Maintenance tests See Table 5 3 Level of Testing Guidelines for more information 5 6 1 Power On Self Test The power
122. le Mounting Bracket Pole mounting bracket should be secure and functioning If the instrument is mounted on a pole or stand examine the condition of the mount Also examine the pole and stand Power Cord Assembly Examine the power cord assembly for a Signs of damage cuts or deformities in the cord If damaged replace the entire cord b Integrity of hospital grade power plug Attempt to wiggle the blades to determine that they are secure If any damage is suspected replace the entire cord Appropriate tension and connection if the IV pole has electrical receptacles for accessories d Strain reliefs Examine the strain reliefs at both ends of the line cord Be sure they hold the cord securely Keypad Check membrane switches for damage e g from fingernails and pens During the course of the inspection be sure to check that each switch performs its proper function Refer to Section 6 4 15 Testing Switches Mechanism Clean any surfaces where solution or obstructions have accumulated Verify that a The mechanism seal is not torn or worn b The cam followers are not broken or cracked and are free of foreign matter c Proper operation of latching mechanism Cam followers should retract and extend smoothly d Air in line arm moves smoothly from opened to closed position e Fluid Control Actuator rotates 180 3 3 2 Functional Test a Turn instrument on without set installed Verify that i
123. le return to page D2 and reset the battery rated capacity to 1 3 Ah with battery manager software 3 01 and higher 1 3 4 Battery Gauge The battery gauge provides an indication to the user of the approximate amount of time the instrument will run on battery power It will usually indicate less run time than the user will actually get on a new battery This is displayed in a bar graph format on the lower LCD Display and is active as long as the battery is connected to the instrument The display indicates up to 4 hours in 15 minute increments See Figure 1 1 Lower LCD Display Layout The battery gauge circuitry measures the current flow into and out of the battery and maintains a record of the state of charge of the battery This record is reset each time the pump completes a full refresh cycle The battery gauge uses this record together with a measurement of the present power requirements of the instrument to estimate the time available on battery power at the current infusion rate NOTE When the instrument is turned off the gauge will indicate approximate run time for infusions of 125 ml hr 4 1 6 Signature Edition Technical Service Manual MEDICAL SYSTEMS 1 3 5 Power On Off The Battery Manager provides the interface between power on off switch es and the main processor When the instrument is off the Battery Manager interprets either power switch as a turn on command and applies power to the r
124. ls all instrument operations Analog to digital converter Monitors the temperature inside battery to ensure optimum battery capacity Contains battery battery temperature sensor and thermal cutout Refers to left mechanism sensors and LED module Refers to the right mechanism sensors and LED module A custom integrated circuit with many functions Dual Inline Package A form of electronic part packaging which mounts on pins extending through a printed circuit board Electrically Erasable Programmable Read Only Memory Memory whose data can change under CPU control Data is not lost if power is removed Electromagnetic Interference Electromagnetic Compatibility The ability of the instrument to operate in the presence of other electrical devices Erasable Programmable Read Only Memory Memory whose data is fixed and does not change Data is not lost if power is removed Electrostatic Discharge Circuit consisting of CPU program memory EPROM data memory RAM associated I O and time bases Membrane switch panel Liquid crystal display LCD for alpha numeric display 128 x 64 of prompts status and setup information A custom light emitting diode LED module that contains numeric LED s annunciator blocks status indicators and a custom integrated circuit Optical switch to detect the status of the latch on the mechanism Optical switch used with a decoder disk Plastic Leaded Chip Carrier A form o
125. main RAM The phantom RAM data only goes to the COMBO IC The COMBO IC compares the data from the two RAMs on each read If the data does not match a bit will be set in a register within the COMBO IC When the pump is off the VRAM supply is still on 4 4 4 Signature Edition Technical Service Manual MEDICAL SYSTEMS preserving the contents of the RAMs second level signals to RS232 levels The system can support chip select line CS2 of the RAMs 15 tied to up to 9600 baud rate RST_CPU so that the RAMs can not be selected 4 4 7 RS 232 Interface 7101 7201 only during power down sequence The isolated RS 232 Interface provides 4 4 5 EPROM electrical isolation between the RS 232 signals on the The EPROM CMOS U3 U4 contains 512K bytes RS 232 connector and the rest of the instrument as x8 of program memory The EPROM is held in a well as connections for the speaker tamper switch socket To change the EPROM the instrument must and flow sensor interface option The isolation is be opened Turn the instrument off and disconnect created using optical isolators U3 and UA for the from AC power before opening the case to replace signals and an isolation power transformer T1 for the EPROM isolated circuit power Voltage level conversions are generated by the MAX250 25 1 chip set U1 and U2 4 4 6 RS 232 Interface 7100 7200 only MEM to generate the appropriate signal conditioning The R5
126. mation Unit is off for more than 6 hours Resistance Mode is changed Resistance Mode is changed to Pressure Only Mode Accessible only if Po DE option is installed c Trend data is maintained when Pressure Only Mode is changed to from Hi Resistance Mode Rate is changed Unit is off for less than 6 hours 5 Press and release the ze Alert soft key to select Dor r editing Press again to between or Off 6 Press accept the changes return to the beginning of the C3 page ALARIS 2 Signature Edition Technical Service Manual 2 11 Directory CHECKOUT AND CONFIGURATION 2 4 10 Setting KVO Rate The pump will automatically operate at the KVO rate or the current rate whichever is less once the primary VTBI has counted down to zero The KVO rate range is 0 1 to 20 0 ml hr 1 Advance to the C4 page 2 Press Rate key 3 Press soft key next to rate value once to select editing 4 Use the numeric pad to enter the KVO rate Press ENTER 5 Press to accept the change and return to the beginning of the C4 page NOTE The KVO rate will not exceed the present Maximum Rate MEDICAL SYSTEMS 2 12 gt Signature Edition Technical Service Manual Directory 2 4 11 Setting Monitoring Options The graphical resistance display appearing in the Main LCD m
127. me date the previous logs will not be adjusted retroactively I e they will remain the same NOTE The clock will not automatically adjust for time changes such as daylight savings 6 Press 2 to accept the change and return to the beginning of the D2 page Press the softkey to reinstate time date 54 6 12 Signature Edition Technical Service Manual Directo ry TROUBLESHOOTING OPTIONS 6 4 5 Viewing Battery Status 1 On the D2 page press the East teri Status soft key Voltage may range from 10V to 18V Ampere hours may range from 0 0 to 3 0 wore Voltage will flash when updated by software 2 Press the tuin soft key to return to the D2 page 6 4 6 Changing Rated Capacity of Battery This step is only required if a different type or different capacity battery is later approved for use As long as the lear History battery is NiCad and rated at 1 3 Ah no action 15 Battery oie ius required NOTE Battery is rated at 1 8 Ah under ideal conditions 1 3 Ah will be entered here to help compensate for uneven cell capacity and ensure getting a low battery alarm with 30 Sho Mi See minu tes or r e u S e b t t e ry aman ER uam 1 On the 02 page press and release the Eat teri d zd ciatuzsoftkey 2 Press and release the Fated Capaci tu soft key to highlight 3 Use th
128. moved Replaced u E E E NH NH m x New Instrument Checkout E E E No Fault Found m E X Panel Lock Replaced m E Power Switcher Replaced X Rate Accuracy Failed After Rate Cal Speaker Replaced Software Update replace E B X Unit Dropped m HX Other Repairs x ALARIS gt IVAC Signature Edition Technical Service Manual 5 25 Directory d Chapter 6 TROUBLESHOOTING WARNING Use extreme caution in servicing the instrument when connected to AC power Hazardous voltages are present when AC power 15 connected regardless of the setting of the power switch 6 1 Introduction This chapter contains descriptions of possible operating errors and technical problems that may be encountered during use of the pump Refer to this chapter before attempting to repair replace or service any component or assembly To facilitate troubleshooting the pump will alarm and display prompts that direct attention to the problem Alarms that relate to operating problems are listed in the Directions for Use manual Refer to Table 6 1 Technical Troubleshooting Guide for problems that may occur and require calibration or repair and Table 6 2 Error Messages for messages that indicate an internal malfunction The Battery Manager error codes listed in Table 6 3 relate to codes displayed in the lower LCD These e
129. n set remove air or press RESET to move air through line 2 Change AIL setting 3 Clean AIL transducer receiver 4 Check connector 5 Replace mechanism 6 Return to factory Backup speaker activated 1 Discharge capacitor C 146 C 779 by placing jumper across capacitor while handling Main PCB terminals Batt Refresh A charge discharge recharge cycle was initiated This can occur 1 When the battery is disconnected and reconnected to AC power 2 By entering 0 in rated capacity connecting to AC and then change rated capacity back to 1 3AH Battery Low Battery Depleted Plug into AC power Recondition battery with 2 or 3 charge discharge cycles Replace battery Replace Main PCB Return to factory Downstream Occlusion Check setup and tubing kinked clogged filter etc Check pressure calibration Display Problem Check cable connections Replace LCD LED module Replace Main PCB Return to factory Fan 15 Noisy Check cable routing and snap fits Replace fan Replace Main PCB Return to factory Hold Setup Time Exceeded Press Run Hold to resume operation Turn off pump if not in use Intermittent Operation Check cable connections to Main PCB Replace Main PCB Return to factory Instrument Channel Malfunction Turn instrument channel off and back on to see if problem clears Refer to alarm history for fault detected and T
130. n the instrument on and install the set 2 Wait one minute 3 Remove the set and watch the screen for a message that the self check is in progress 4 When the test is done the screen will go back to the parameter page and instrument operation can continue as desired 6 4 11 Testing Channel Sensors Advance to the D4 page 1 Press fesi Sensors or Tesi B Sensore soft key dual channel instrument The display will show or DAB depending on which channel was selected M Flag reads Light or Dark Dark with 5th cam in Latch reads Open or Closed AIL reads Air or Fluid ECD reads Air Fluid Unplugged or Not Installed Displayed Means Not ECD board assembly not Installed installed Unplugged ECD board assembly installed Flow sensor not connected Air ECD board assembly installed Flow sensor detects air Fluid ECD board assembly installed Flow sensor detects fluid 2 Press the re turi soft key to return to the 04 page MEDICAL SYSTEMS 54 6 16 Signature Edition Technical Service Manual Directory TROUBLESHOOTING 6 4 12 Viewing Rate Calibration Information This page is for viewing only Use the following procedure to verify the Cal setting 1 Advance to the D4 page 2 Press A Rate orlal soft key depending on which channel is to be viewed 3 Press Rate soft key two times The pump will beep but the display will not change 4 Press
131. nal purchaser B The battery and each new accessory are free from defects in material and workmanship under normal use and service for a period of ninety 90 days from the date of delivery by ALARIS Medical Systems to the original purchaser If any product requires service during the applicable warranty period the purchaser should communicate directly with ALARIS Medical Systems headquarters San Diego CA to determine the appropriate repair facility Except as provided otherwise in this warranty repair or replacement will be carried out at ALARIS Medical Systems s expense The product requiring service should be returned promptly properly packaged and postage prepaid by purchaser Loss or damage in return shipment to the repair facility shall be at purchaser s risk In no event shall ALARIS Medical Systems be liable for any incidental indirect or consequential damages in connection with the purchase or use of any ALARIS Medical Systems product This warranty shall apply solely to the original purchaser This warranty shall not apply to any subsequent owner or holder of the product Furthermore this warranty shall not apply to and ALARIS Medical Systems shall not be responsible for any loss or damage arising in connection with the purchase or use of any ALARIS Medical Systems product which has been a repaired by anyone other than an authorized ALARIS Medical Systems service representative b altered in any way so as to affect in
132. nd be independent of the selected rate Head height and resulting pressure variations likewise will not affect the measurement When a complete occlusion occurs the resistive part of the fluid impedance is very large theoretically infinite Elevated resistances due to clotting clogged filters partial occlusions or infiltrations can be measured The Dynamic Monitoring system provides a means to measure the mechanical properties of the downstream flow path Pressure Effect when a force is against a restriction Resistance Cause when impediment to fluid flow occurs Resistance Change in Pressure AP Change in Flow AF Refer to Figure 1 3 Pressure and Resistance Graph MEDICAL SYSTEMS S Signature Edition Technical Service Manual 1 9 gt Features include e Alarm setting is based on dynamic system impedance pressure changes not absolute pressure e Detection of complete occlusions e Reduced nuisance alarms by minimizing artifact effects such as head height and patient movement e Faster time to alarm at low rates e The AutoRestartPlus feature allows the pump to automatically continue operation an occlusion 15 cleared within the self check period 40 seconds A warning tone and Checking Line message will occur up to 40 seconds The feature can be turned off set the restarts to zero or the number of restarts may be set from 1 to 9 NOTE The r
133. nformation for these other displays is controlled by the main processor and is communicated to the Battery Manager through the serial channel The Battery Manager also uses the four character display to indicate errors detected in the Battery Manager system itself 4 00 TIEI Connect pump to AC before turning pump on if it has been in storage Usually one refresh cycle is sufficient to restore battery capacity If necessary repeat the procedure at 24 hour intervals 2 or 3 times to increase capacity Several features have been included in the Battery Manager to help properly maintain the battery A measurement of the capacity of the battery 15 available in the diagnostic mode A special circuit removes all load from the battery when the voltage falls too low preventing damage from over discharge due to long term storage NiCd batteries can be stored indefinitely with no load but will self discharge from a charged state in about 100 days This does not damage the battery as it would if it were a lead acid type battery Connect instrument to AC to recharge batteries AV TIL Figure 1 1 Lower LCD Display Layout NOTE If under load inside instrument the maximum storage time would be about 130 days before electrolyte extrusion occurs past the battery seal If the battery exhibits short run times a reconditioning procedure can be used Disconnect battery and AC press the On Off switch
134. ng Altitude 500 ft 150M to 7 500 ft 2285M 500 charge discharge cycles minimum under nominal charging conditions Recharge time while instrument is running 15 4 hours to 95 capacity 50 0 battery gauge accuracy Impact resistant plastic flame retardant Drip proof IPX1 7100 7200 100 Amps 120Vrms Tested to UL Standard 544 and CSA C22 2 No 125 for medical and dental equipment 1150 steps to deliver 1 ml Rate cal 4191 Air in line alarm threshold 50 100 200 or 500 ul Air in line reset feature On Off Audio Hi Med Lo levels accessible Communications Baud Rate Parity Computer control Control Monitor Off Configuration Name 4 bit code Display language Choice of two or seven Dose Rate Calculation On Off Drug Access On Off Drug Specific Access Short Extended Off 7100X 7200X only Dynamic Monitoring MEDICAL SYSTEMS Signature Edition Technical Service Manual 1 3 gt Mode Hi Resistance Resistance Pressure Only Alert On Off Restarts 0 Off 1 9 Resistance Display On Off Resistance Trend Graph On Off Instrument ID 9 digits KVO rate 0 1 20 0 ml hr Loading Dose On Off Panel lock On Off Preventive maintenance interval 1 52 weeks Preventive maintenance reminder On Off Maximum rate 0 1 999 9 ml hr Multi Dose Alert On Off Multi Dose Mode On Off Multi Step Mode On Off Transition tone On Off VTBI ON OFF 7101
135. ng functions e Controls the battery charger e Provides a battery status battery gauge e Monitors voltage and temperature of battery e Controls the instrument power source on off function e Drives the Lower LCD Display See Figure 1 1 e Includes relative time clock The Battery Manager communicates with the main processor via a serial data channel The main processor issues commands to the Battery Manager which then responds with status information and data using this channel 1 3 1 Fan The internal fan is used for cooling mainly to help prolong battery life It is a ball bearing brushless DC fan The fan is always on when battery is charging with Fast or Top up charge The fan will go on any time battery temperature is over 22 C 1 3 2 Battery and Charging Process The battery is a ten cell 1 2V per cell high capacity nickel cadmium type rated at 12 volts and 1 8 amp hours with a minimum of 500 charge discharge Cycles The battery pack 10 to 18V has a built in temperature sensor which allows the Battery Manager to monitor the temperature of the battery The pack also includes a temperature limiting thermostat which opens the circuit if the battery temperature gets too hot and closes again when the temperature returns to normal The battery charge circuit charges the battery with a constant current of 1 ampere whenever the Battery Manager turns the charger on The Battery Manager regulates average char
136. not damaged and reduce the assumed capacity to below that printed on the battery The battery gauge is intended to show the minimum run time left on the battery taking all these factors into account NOTE In the future ALARIS Medical Systems may provide different battery packs The replacement battery may have a different rated capacity Therefore the Battery Manager of the instrument needs to know that a new battery has been added and the rated capacity has changed Refer to Section 5 3 Replacing Battery and Section 6 4 6 Changing Rated Capacity of Battery 1 5 Dynamic System Monitoring DSM The following is general information regarding the Dynamic Monitoring system as it relates to the Signature Edition instrument In order for fluid to move through the administration set a pressure difference gradient must exist In a gravity setup this is done by head height In a pump the instrument will develop pressure to overcome downstream effects on fluid flow The fundamental concept behind the Dynamic Monitoring system is that the resistance to fluid flow from the mechanism to the patient s infusion site can be measured This is done by intentionally varying the flow rate while monitoring the resulting changes in fluid pressure Refer to Figure 1 2 Resistance Graph Signal processing of the pressure and flow data can then produce the fluid impedance value Such measurements can be made continuously at short intervals a
137. ntent of JCAHO requirements and are not covered by the ALARIS Medical Systems warranty In the United States a service agreement may be obtained from ALARIS Medical Systems for the performance of all required preventive maintenance Inspections 3 2 Storage and Cleaning 3 2 1 Storage The pump may be stored without connection to AC power It will automatically disconnect the battery when the voltage gets too low To reuse the pump after storage connect it to AC power for a minimum of three 3 hours before placing it back into service When temporarily taking instrument out of service connect it to AC power to ensure a fully charged battery when needed 4 ALARIS Signature Edition Technical Service Manual 3 1 Directory PREVENTIVE MAINTENANCE 3 2 2 Cleaning Figure 3 1 Cleaning the Mechanism Area It is good practice to routinely clean the pump especially if spillage has occurred Do not use solutions containing phosphoric acid Foamy Q amp A or aromatic solvents naphtha paint thinner etc chlorinated solvents Trichloroethane MEK Toluene etc or alcohol latch CAUTION Alcohol may cause the key pad to crack over time gt fl Do not use hard or pointed objects to clean any part of id e control the pump actuator Do not steam autoclave EtO sterilize or immerse the 4 WARNING Turn the instrument off and unplug em cl
138. oes proceed to the Diagnostics Mode D2 select Battery Status and enter new rated capacity Refer to Section 6 4 6 Changing Rated Capacity of Battery In the future ALARIS Medical Systems may provide different battery packs The battery manager needs to know if a new battery possibly with a new rated capacity has been installed 9 Clear battery run time via Diagnostics Mode after installing new battery Refer to Section 6 4 9 Viewing Battery and Total Run Times Battery replacement is now complete NOTE The instrument will attempt to refresh the battery when it is first installed and connected to AC power This refresh may take in excess of 24 hours if the instrument 15 turned on 4 5 2 Signature Edition Technical Service Manual MEDICAL SYSTEMS CORRECTIVE MAINTENANCE Handle Cover removed to access 2 case screws Tamper Switch Flow Sensor Plugs RS232 Cover and Connector A Power Retainer Power Cord Retainer Battery Cover Screw Battery Cover Pole Clamp Case Screws 9 Battery Battery Cover S Signature Edition Technical Service Manual 5 3 Directory 5 4 Disassembling the Pump Gaining access and removing various components of WARNING Disconnect pump trom AC power before disassembling Hazardous voltages are present the pump for replacement is simple It
139. of the power inductor to ground then releases it generating about 29V at the cathode of a diode This voltage is sensed by a resistor pair and the loop controlled to generate a 1 23V reference signal level c The VNEG supply U16 U30 is a buck boost supply which generates a negative supply 15V 1V from a positive supply 9V 24V The supply can provide about 100mA The IC ground pin is bootstrapped to the negative output voltage Then referencing the feedback signal to ground potential allows the chip to sense the negative voltage and therefore regulate it In operation the internal pass element provides current through the inductor while on When the pass element turns off the flyback action of the inductor generates a negative voltage spike which is captured across a capacitor though a steering diode 4 5 14 VRAM Supply The VRAM supply is a 4 8V supply generated for the RAMs to keep them active when the instrument is turned off When the instrument is off VRAM is sourced by 5VAO through a diode When the instrument is on is sourced by 5V through diode 4 5 15 VPOS Supply A linear regulator U2 07 from a DC DC Source provides a 6V supply for the pressure transducer and A D circuits The output voltage is dependent on the voltage gain of the amplifier approximately 1 5 times the input reference voltage The power is supplied by the DC DC SOURCE while the reference is ADVREF RAW The transistor Q1 Q7
140. of the soft key to cycle through available options Other features are edited by means of the numeric keyboard NOTE Pressing or cancei will undo any edits made to that page and stay the page Pressing will accept all information on the page and return to menu page NOTE The 7101 7201 Keypad uses symbols instead of words 6 4 1 Entering Diagnostics Mode The instrument must be off both channels must be off for the Model 7200 Series instrument Though the figures in this procedure depict a single channel pump the procedure for the dual channel pump is the same Channel specific items will display A or B in upper left corner 1 Press and hold the left top display soft key 2 Press and release POWER switch Continue to press the display soft key until the Diagnostic Mode display appears then release 3 Page D1 of the Diagnostics Mode is displayed This is a read only display Press page t to advance to the page you want to configure MEDICAL SYSTEMS Signature Edition Technical Service Manual 6 9 TROUBLESHOOTING 6 4 2 Setting Preventive Maintenance Interval The preventive maintenance reminder is a message that appears upon start up telling the clinician that the maintenance cycle has elapsed The clinician may choose to bypass the message and operate the pump as normal The reminder will continue to appear at start up until it Is reset 1 Advance to the D2 pag
141. on self test deals with determining the proper operating condition of the fully assembled pump The pump contains extensive self testing software The self test is a final test The self test is initiated each time the instrument is turned on The instrument continually tests itself during operation of the pump as well An alarm or error message will appear if there is a problem When turning on the instrument verify that the instrument beeps and that all display segments and LEDs flash This confirms that the pump has per formed its self tests and is operating correctly 5 6 2 Mechanism Visual Check Before the mechanism is placed back into the front case visually check its functionality a Ensure that all 12 followers are in place and mechanism is flush to front case b Rotate the latch handle and check for full unin terrupted range of motion C Ensure that the seal is correctly in place and springs are not loose or damaged The mechanism will be further tested when the pump is reassembled during the self test rate verifi cation and functional tests 5 6 3 Mechanical Leak Test 1 Use a variable pressure air source squeeze ball or equivalent reservoir and pressure gauge with setup as shown in Figure 5 2 Leak Test Setup Install non check valve set e g 72013 into instrument NOTE No fluid in set for mechanical leak test 2 Cut off the drip chamber of the set if needed to place into a flu
142. or RESN1 In normal operation the Battery Manager operates at 4 MHz Under low 4 power condition instrument is off and is unplugged the Battery Manager switches to the lower frequency to save power The battery manager is turned on for three seconds every minute when the pump is off and connected to AC power State Indicators 8 7 LED Matrix Drive amp Test Lower LCD Display Battery Gauge Bargrapn 4 Alphanumeric Characters 3 Audio Icons Chan B Battery Microprocessor Watchdog Battery Charge Control Baltery Monitor Battery Gauge Interface Power On Off Control Motor Control PWM Stepper Interface Motor Current Sense Rotation Flag Interface Latch Sensor interface Power Supply Vmotor 25 5 5V Mechanism 5 Batt Pros Vneg 15 Vpos 64 Battery Charger 4 Hour Charge Rate MiCad NMH Capable The Battery Manager has the following functions Instrument on off Battery charge control Battery gauge Battery warning and alarm Relative time clock Displays configuration name Instrument icon display Inter processor communications Processor self test Error detection battery temperature input current integrator power on off and watchdog faults In circuit test 4 4 6 Signature Edition Technical Service Manual MEDICAL SYSTEMS ARIS FUNCTIONAL DESCRIPTION
143. p and both sides holding the mechanism to the front case then remove the pumping mechanism e Mark the mechanism s latch housing A or B with permanent ink to ensure reinstalla tion in the proper location on dual channel pumps CAUTION Do not mix mechanisms dual channel with other instruments When a mechanism is removed it must Pumping go back in the original position or Mechanisms the pump will need hard and soft Snap Fittings pressure calibration as well as rate calibration f Install the mechanism g Perform pressure and rate calibration see chapters 5 and 6 ARIS MEDICAL SYSTEMS 5 14 Signature Edition Technical Service Manual Directory CORRECTIVE MAINTENANCE 7 To replace the key pad assembly remove the Key Pad only if it is defective Removing a good Key Pad will ruin it Keypad pictures reference only may not match your instrument a First separate the front and rear case halves following the disassembly instructions in Section 5 4 Disassembling Pump b Disconnect power supply board connector battery cable and RS 232 flex cable from front case The rear case 15 now completely separated trom the front case Set it aside c Disconnect the Key Pad Assembly flex cables from the Main PCB Key Pad Assembly flex cable d The Key Pad Ass
144. pective power high side and low side switches that are enabled Refer to schematic for Signal references Table 4 3 Motor Control Signals Control Signal Logic Active Windin Logic State Switches Effecte 1 04 6 93 1 1 017 6 019 3 2 06 6 05 3 2 L Q8 6 010 3 2 1 Q4 7 03 3 1 Q17 7 Q19 1 EN 2 H 06 5 Q5 1 2 08 27 010 1 2 assist the down stream pressure algorithm reduce mechanical noise the motor Is stepped in packets a series of motor steps followed by a short resting period e The efficiency of the motor driver is determined by the low on resistance in the Mosfet switches and the speed at which they are switched on and off Since only the high side switches are involved in regulating the motor current a bipolar network has been designed around these switches to keep switching times below a microsecond An example of a switching sequence is described as follows To activate the following circuit requires MTR 1 MTRA PH 1 MTR EN 1 MTRA EN 1 and WD OUT to be at a logic high When the second comparator output U14 7 U27 1 switches low this turns on transistor Q18 023 which turns off 7 immediately thereby removing the motor voltage away from the motor winding When U14 7 U27 1 switches hig
145. placed as an assembly See Chapter 7 for parts available and level of replacement possible NOTE The tests to be performed on just repaired instru ment depend on the level of repairs made to the pump See Table 5 2 Level of Testing Guidelines 5 3 Replacing Battery You will need a Phillips screw driver to remove the battery NOTE Instrument configuration will not be lost when dis connecting power However error history and infusion pro gram settings may be lost If you want to save error history record before proceeding 1 Disconnect AC power from the instrument 2 Remove screw from Power Cord Retainer on rear case using a Phillips screw driver 3 Remove Power Cord and Power Cord Retainer CAUTION when there is no AC power available do not replace dead battery for the purpose of re pow ering the instrument The instrument will not operate unless it is first connected to AC power after battery replacement 4 Lift and remove Battery Cover 5 Lift cable for battery out of compartment 6 Pull battery from compartment and disconnect NOTE The instrument will not run with battery disconnect ed 7 Connect and install new battery Note the rated capacity of the new battery 8 Reassemble the battery cover power cable and power cord retainer The replacement battery may have a different rated capacity current battery has rated capacity of 1 8 AH with 1 3 AH entered in Diagnostics Mode If it d
146. proved batteries due to Battery Manager requirements and the thermostat contained in the battery assembly 1 8 3 Warnings WARNING when an instrument s configuration is changed the configuration name should also be changed to document the new parameter settings The intent of the configuration name is to have only one set of parameters for each alpha numeric code Refer to Section 2 5 2 Pop Up Displays WARNING Powering down in configuration mode during an alarm or error will not save any configuration changes WARNING Failure to perform regular and preventive maintenance inspections may result in improper instrument operation WARNING Turn the instrument off and unplug the power cord from the AC wall outlet before cleaning Do not steam autoclave EtO sterilize immerse the pump or allow fluids to enter the pump case WARNING Disconnect pump from AC power before disassembling Hazardous voltages are present when AC power 15 connected regardless of the setting of the ON OFF switch WARNING Always perform a rate accuracy verification after mechanism and board have been removed and reinstalled or cables have been disconnected and reconnected WARNING Use extreme caution in servicing the instrument when connected to AC power Hazardous voltages are present when AC power 15 connected regardless of the setting of the power switch 4 1 14 Signature Edition Technical Service Manual MEDICAL SYSTEMS
147. r Then press ON OFF switch for 5 seconds Reconnect AC and battery power Memory should clear no more events and a refresh cycle on the battery begin NOTE Memory will also clear when new main software is installed in the pump See list of entries below and examples of displays to the right Alarms ALL Errors ALL User Initiated Events Alarm Cleared Panel Unlocked Channel Off Silence On Channel On Latch Open Configuration Complete AC Connected Diagnostics Complete AC Disconnected Panel Locked Data Entry Events Dose Rate Calc Set to xxxx x ml Dose Rate Calc Set to OFF Load Dose Set to xxxx x ml Primary Set to xxxx x ml Primary VTBI Set to Off Secondary VTBI Set to xxx x ml Vi Cleared Dose Rate Set to Drug Amount Set to xxxxx Diluent Volume Set to xxxx ml Patient Weight Set to xxxxx uuu Patient Height DRC Set to xxx uuu Set Time Dose Rate Drug Name Infusion State Change Events Dose Rate Running at xxx x ml hr Multi Dose Started at xxx x ml hr In KVO at xx x ml hr Loading Dose Running at xxx x ml hr Multi Dose Complete On Hold VI xxxx x ml Primary Runningat xxx x ml hr Secondary Running at xxx x ml hr Multi Step Started at xxx x ml hr Timer Started VI xxxx x ml Timer Stopped ml Notifications Battery refresh Battery Low ALERT Computer Released Memory Erased Pressure Restart Preventive Maintenance Rem
148. r side the signal envelop will be seen if fluid is in the set This signal is then returned to the COMBO IC and eventually to the processor to determine if air is present no signal and to compute the size of the air bubble The instrument will consider air bubbles separated by less than 70 microliters of fluid as one bubble and alarm accordingly The instrument will also alarm if 1096 to 1596 of downstream tubing is filled with air varies with alarm set point Figure 4 11 Air in line Detector Block Diagram 4 6 3 Transducer The transducer assembly is a silicon based resistor bridge producing a linear output The sensing area is in the front of the assembly and directly in contact with the tubing no gel It is used to measure stress not absolute pressure A film over the transducer provides a means to protect the sensor from electrostatic discharge At least 1 hour is required for the transducer to stabilize to room temperature The transducer is used to sense upstream and downstream occlusions as well as sensing if the set is installed or removed To accomplish these tasks the transducer is calibrated with a special set The pressure calibration set has a hole drilled into the dome of the AccuSlide This enables the pressure to be applied directly to the transducer for calibration 0 and 500 mmHg Temperature compensation factory set of the pressure reading is also done and stored in a section of the diagnostic mode
149. r have control over the instrument The circuit has two test functions The VBKUP supply is tested at power up to verify that the supercap can drive the buzzer when the regulator is disabled through SRC signal The buzzer operation 15 tested by sensing the oscillating current waveform generated by a normally operating buzzer The buzzer current is sampled by a sense resistor output BKUP SPKR TST drives a digital input on the COMBO IC 4 8 LED Module The LED Module s provide rate data along with operating mode annunciators AC Battery operation notice and visual alarm indication The modules have 58 individual LEDs controlled by a custom IC The IC performs LED scanning and test functions along with keyboard scanning circuits and interfaces to the main CPU through the local serial interface The LED intensity is controlled by the main processor whose voltage is amplified The DC level is compared to VTHRES Hi by a comparator U33 U33 whose to limit power use while running on battery Figure 4 15 Backup Audio VBKUP 4 9 TO 5 1V VAO SOURCE 5V REG VBKUP SRC EN U31 U44 SUPER CAP TAKES UP TO 30 C146 C179 MINUTES TO CHARGE AND LASTS FROM 11 MIN TO 2 HOURS SUPER CAP 1 0 5 5V U30 U41 DIGITAL 012 029 LOGIC SPKR2 3 4 KHz PWRSW VBKUP BKUP ALARM ARM WD OUT U37 U32 VTHRES HI OP AMP T 100 OHM Y GAIN 14 BKUP_SPKR_TST U33 U33 MEDICAL
150. rate will not exceed the Maximum Rate NOTE The maximum rate setting applies to all infusion modes 2 4 7 Setting Computer Link The Computer Link feature allows a hospital computer to interact with the pump and programs the level of computer control available to the clinician The computer cannot start or stop the pump set the rate or make any change in status If the feature is off the computer cannot communicate with the pump a Control Mode allows the computer to send information to the pump s display b Monitor Mode allows the computer to only receive information from the pump c Off Mode does not allow any communication between the pump and a computer 2 8 Signature Edition Technical Service Manual Directory CHECKOUT AND CONFIGURATION Enabling of the monitoring and control modes will automatically place them in the user s options menu 1 On the C3 page press the Computer Link soft key 2 Press and release soft key to select for editing Press again to cycle through 077 3 Press the Fate soft key to select for editing Press again to cycle through choices 35m ena i208 1500 2488 43868 and 5 Press ak to accept the changes and return to the beginning of the C3 page 2 4 8 Setting Optional Modes The Optional Modes feature allows the clinician to configure how the options menu will appear in normal mode Enabling of these modes will automaticall
151. re 1 1 Lower E 0 0 1 7 Houe l2 RecA 1 10 Figure 1 3 Pressure Resistance Graph 2 0 0 0 2 0 0000000000 00 00 00 1 10 Figure 2 1 Map ot Screens 2 19 Figure 3 1 Gleaming Tne lt 3 2 FIGQUFES 2 NOSE 3 5 Foure 3 3 Pressure 3 6 Figure 4 1 Maini 4 2 Figure 4 2 COMBO IC Block Diagram 4 5 _________________ 4 6 Fgu ure4 4 Battery Manager Block ias 4 7 METH 4 11 Rue mies 4 11 ayem E 4 12 Figure 448 System Reset Power 1 1 1 nene nnn nk nan nnns nana ga anna 4 13 Figure 4 9 Motor Drive Circuit Phase NER 4 16 Figure 4 10 Motor and Mechanism Sensors Block Diagram 4 16 Figure 4 11 Detector Block Diagram Hm mmm nennen 4 17 Figure 4 12 Pressure Sensor Interface Block Diagram 2 002 2220 0200100000011 0000 4 17 Figure 4 13 User Interface Block Diagram
152. re sensor failed during calibration N SPURIOUS INT Spurious interrupt or bad jump STUCK PWR KEY Power key stuck or held down too long over 6 5 1 Replace keyboard and front panel assy Replace Main PCB Return to factory UJ SAN SHUTDOWN Battery voltage less than 10 2V Connect to AC Power Replace battery Replace Main PCB Return to factory Directory 4 6 6 Signature Edition Technical Service Manual TROUBLESHOOTING Table 6 2 Error Messages cont Message Probable Cause PERFORM TEMP CAL Channel requires temperature calibration I WN Remedy Check TC 0 in Diagnostic Mode for 7100E 7200E or later Replace Main PCB Replace mechanism Return to factory Vbackup HIGH VBKUP HIGH over 6 5 Replace Main PCB Return to factory Vbackup LOW VBKUP less than 4 85 V Replace Main PCB Return to factory VBRIDGE ERROR Bridge voltage on pressure sensor incorrect Let instrument warm up for 1 hour Check for downstream occlusion Try another set Perform pressure cal soft Perform pressure cal hard Replace mechanism Return to factory Vcc HIGH Vcc high 5 469 Volts Replace Main PCB Return to factory Vcc LOW Vcc low 4 632 Volts Replace Main PCB Return to factory Vref HIGH Vref high 4 240 Volts Replace Main PCB Return
153. repair or mechanism replacement are NOTE Perform TEMP CAL message means TC 0 0 in Adjust Tc Section This may occur when main board 15 replaced lt 4 6 20 Signature Edition Technical Service Manual ARIS Directory gt 5 Additional self check information may also be viewed a Press the sensor reading soft key b Fass will be displayed Press the soft key again Three numbers will appear in the lower portion of the display The number on the left represents the number of times the self check has been performed since the last soft pressure calibration e The center number represents the zero pressure reading at the time of the last self check e The number on the right represents the number of hours since the last self check was performed This should not exceed 672 hours or else the instrument will display the message Sif RO C Press lower left soft key again The OFFSET will be displayed This value is used to help determine when the unit will go into a SET OUT alarm When the AUTO ZERO feature is on enabled the level must be less than 55 mmHg Adding the OFFSET level to the SENSOR reading looked at in step 2 which should be less than 55 mmHg to prevent a SET OUT alarm If AUTO ZERO is off disabled then the OFFSET level is not used and the SENSOR reading must be less than 90 mmHg to prevent a SET OUT alarm The OFFSET level is updated when the pump does the SELF CHE
154. rial accessed peripherals such as the A D converter EEPROM LED Module s and Battery Manager The device also generates the Main LCD interface control signals The UART Intel 8251 equivalent and three 16 bit counters Intel 8254 equivalent are also provided inside the COMBO chip Six pulse width modulators for motor control and LCD backlight and contrast are also within the custom IC 4 4 3 EEPROM The EEPROM is used to store all configuration and diagnostic settings The EEPROM 09 077 is accessed using the serial control unit within the COMBO IC Data is written and read back from the device through the serial data registers within the COMBO chip This device holds 128 sixteen bit words It is used to store data that will not be destroyed if power is lost to the instrument The EEPROM will store configuration mode calibration LCD contrast settings and certain diagnostic information e g instrument ID number PM interval PM on off battery run time and total instrument run time NOTE The event log is not stored in the EEPROM 4 4 4 RAM The RAM is used to store user set parameters Volume To Be Infused VTBI mode rate and PRI SEC as well as the event log The instrument provides read write memory integrity by using redundant storage and automatic comparison Data written to RAM is stored in both of the RAM devices main RAM U8 09 and phantom RAM U4 05 The processor reads data directly from the
155. rm and warning features When MEASURE is low Q27 Q43 will open and remove PLUS from input to 029 037 Also MEASURE being low will open Q26 Q45 so that VMEAS is removed as well 4 5 9 VMEAS VMEAS is the supply used to power the REF 4 1V reference circuit the voltage monitor circuit and the current monitor circuit The Battery Manager turns VMEAS off by setting the MEASURE signal low when the instrument is off and AC is unplugged to reduce the load on the battery In this condition the Battery Manager turns VMEAS on once a minute to check the battery s voltage and temperature The 12V Zener CR31 CR47 is placed between the gate and source of the FET 026 045 to limit the gate to source voltage The FET can see up to 24V but the Vgs Voltage gate to source of the FET is only rated to 20V 4 5 10 Voltage Reference 4 1V The 4 1 reference is used in the voltage monitor circuit the battery temperature sensor circuit the ambient temperature sensor circuit and is the reference voltage for the A D converter in the Battery Manager The reference voltage is 4 096V 2 VMEAS which can be between 7 7 to 24V turns on the precision reference Zener U27 U47 4 5 11 System Current Monitor The circuit to measure the supply current uses a O 1 ohm resistor R32 R86 to generate a voltage drop The resistor is placed between P ground the ground from the AC Off Line Switcher and L ground the ground to the rest
156. rror codes are not stored in memory Section 6 4 Diagnostics Mode contains directions for accessing various diagnostic modes At the end of this chapter is a fold out map of all the diagnostic screens NOTE Steps listed are in order of actions to take to correct problem fault NOTE Record alarm history using the Alarm or History Error mode described in Section 6 4 3 Viewing Alarm or Error History before disconnecting the battery disassembling troubleshooting or testing the pump 6 2 Technical Troubleshooting Guide Table 6 1 Technical Troubleshooting Guide contains information for troubleshooting possible technical problems Before making a final diagnosis visually inspect the pump for damage Pay particular attention to the power cord and plug Verify that the instrument is electrically safe by checking e he ground wire resistance is 0 10 ohms or less e he ground current leakage is 100 mA or less NOTE Mechanism and boards can only be replaced in 7100E 7200E or later instruments MEDICAL SYSTEMS S Signature Edition Technical Service Manual 6 1 Directory Table 6 1 Technical Troubleshooting Guide Problem Remedy Accuracy 1 Try new 7ORCS Rate Cal set and repeat test a second time Verification Fails 2 Check mechanical damage and proper loading of administration set 3 Perform Rate Calibration 4 Replace mechanism 5 Return to factory Air in line 1 Air i
157. se Front Dual Channel order keypad labels and feet separately 300 141497 Case Rear Single Channel order labels and feet separately 141499 Case Rear Dual Channell order labels and feet separately 305 141717 Screen Handle Single Channel 2 141689 Screen Handle Dual Channel 399 137769 Single Channel Case Seal 1 137770 Dual Channel Case Seal 413 136 77 Battery Door 1 414 140444 Power Holder 7100X 7200X only 1 415 305439 Screw Mach M3 x 12mm 1 420 304820 Power Cord 7100 7200 120V 1 134745 Power Cord EUR 7101X 7201X 220V 134748 Power Cord UK 7101X 7201X 220V 429 139512 Power Cord Strap 1 435 136761 Handle Cap Single Channel without Flow Sensor Holder 1 136762 Handle Cap Dual Channel without Flow Sensor Holder 141104 Handle Cap Single Channel with Flow Sensor Holder 141105 Handle Cap Dual Channel with Flow Sensor Holder 437 140718 Cover Conn Flow Sensor SE A R 463 305237 Screw Mach M3 x lOmm 3 464 305235 Screw Mach M3 x 16mm PH 1 NOTE If model is not specified the part can be used all versions 7100X 7100E 7100F 2100 120V VERSION 7101X 7101A 220V VERSION TO INSTALL FLOW SENSOR KIT INSTRUMENT MUST HAVE REV 2 44 OR HIGHER SOFTWARE ALARIS gt Signature Edition Technical Service Manual 7 3 Directory DOMESTIC ONLY N CT 4 Lad f v E F 4 Ze Figure 7 Assembly Single Ch
158. sensor offset drift when it can be determined a set is not loaded and no other external forces are being applied to the pressure sensor This periodic check ensures the set can be sensed as it is installed and removed The instrument will ask the operator to remove the set before powering down 1 On the D3 page press the i f Check Timer soft key 2 Verify interval is set to 4 weeks 3 Press to accept the change and return to the beginning of the D3 page NOTE This setting is factory set 4 or 12 weeks and should not be changed This feature can be enabled disabled via Diagnostics Mode on Page D7 The self check timer is set to four weeks This is a rolling four week interval To establish a new four week period remove the set with the instrument power on and wait one to two seconds before turning the power off See the D6 page in section 6 4 17 for information on when the self check was last completed ALARIS 5 Signature Edition Technical Service Manual 6 15 Directory If a self check due message appears press continue to keep the instrument running Ensure the instrument is on when the set is removed wait one to two seconds and then power off If the instrument is powered off without following this sequence of steps it will not run on the next power up If the pump displays Sei Check Due Please Eject ihe this four week interval has elapsed If that occurs 1 Tur
159. shold values by a Figure 4 14 Main Speaker 3 U32 029 window comparator 038 016 The speaker is tested when an alarm or error occurs while the test circuit is verified at power up The speaker audio volume settings are approximately Low min 45 Med 65 dB and Hi approx 70 dB 4 7 2 Backup Audio Buzzer and Test Circuit A backup audio generation capability is provided to allow the instrument to generate an audible alarm in the event that the main speaker is unable to do so It is supplied through VBKUP a 1 0 Farad supercap C146 C779 energy storage device charged by a 5V linear regulator 032 044 on the SOURCE supply The buzzer is a self oscillating audio generator and speaker module which produces a 3 to 4 kHz tone when energized A logic circuit U30 U41 powered by VBKUP arms the circuit using the ALARM ARM signal once the instrument has powered up so that the watchdog WD OUT signal will not generate an alarm if the unit is turned on or REAR CASE SPKR POS 3 TO 50 mamp MAIN SPEAKER 2KHz SPKR NEG VTHRES HI MAIN 5 U38 U16 R58 R351 OP AMP AT 0 511 OHM HUM U37 U32 GAIN 37 VTHRES LOW pre MEDICAL SYSTEMS Signature Edition Technical Service Manual 4 19 off properly Additional logic is provided to allow the power switch es to turn off the backup audio if the main CPU or battery processor no longe
160. silicon controlled rectifier 0 input output sec second IV intravenous SIP single in line package Js jack SMD surface mount device kg kilogram S N serial number kHz kiloHertz SSD Static sensitive device kV kilovolt TANT tantalum capacitor KVO keep vein open thk thick kilohm TTL transistor transistor logic kW kilowatt V volt Ib pound VAC volts alternating current 15 MEDICAL SYSTEMS Signature Edition Technical Service Manual 1 15 gt Table 3 Reference Designators Table 4 Symbol Definition C capacitor CR diode zener diode DS display F fuse FB ferrite bead J connector terminal header L inductor P plug connector Q transistor FET R resistor RESN ceramic resonator 5 switch SPKR speaker transformer TH thermistor U integrated circuit XU socket for IC Y crystal 57 ground 1 9 Compliance To Standards The standards used as guidelines at current revision level of public availability in the design and development of the pump are as follows 1 9 1 710X 720X UL 544 Standard for Medical and Dental Equipment CSA C 22 2 No 125 Safety Standards for Electro medical Equipment AAMI 1026 Standards for Infusion Devices FDA MDS 201 0004 Electromagnetic Compatibility Standard for Medical Devices CISCR 11 Limits and Methods of Measurement of Electromagnetic Disturbance Characteristics of Industrial Scientific and Medical ISM Radio Frequency
161. sistance modes but cleared within 40 seconds 1 Check setup and warmup time of at least one hour 2 Retry with new 7OISS set 3 Perform pressure calibration hard 4 Replace mechanism 5 Replace Main PCB 6 Return to factory 1 Check for damage and proper loading of 7OISS set 2 Perform pressure calibration soft 3 Perform pressure calibration hard 4 Replace mechanism 5 Return to factory Normal condition if battery disconnected or in a low state of charge Reprogram settings and continue operation Resis Restart Self Check Due Set Out Alarms Set Sensor Check Fails SW APPL In alarm history this indicates the infusion reached 100 resistance or alarm point but cleared within 40 seconds Install set wait one minute and remove set Check latch sensor for proper operation Check pressure calibration soft Perform Hard Pressure Replace mechanism Return to factory Try another set Lower instrument closer to patient level Perform pressure calibration soft Perform pressure calibration hard Replace mechanism Return to factory Try set Perform pressure verification Software error Turn instrument off and back on If problem reoccurs return instrument to factory or replace Main PCB N OUBRWN SW Shutdown Battery voltage reached 10 2 volts or five minutes elapsed since low battery alarm and
162. st pressure to 0 mmHg from the test fixture Press and release the 0 mmHg soft key If readings are in a valid range it will display Pass b Apply 500 mmHg x2 mmHg from the test fixture Press and release the 500 mmHg soft key If readings are in a valid range it will display Pass c Remove 500 mmHg pressure applied to instrument then remove set d Press the ak soft key to accept the calibration and return to the D6 page 3 Additional messages for pressure calibration include e riii LE T ti DH ne ed to do both 0 and 500 pressure points FHIL 3850 LOB HIGH LIMIT Pressure b ADC Gut a range Retry soft pressure cal perform hard cal or return to ALARIS Medical Systems for repair or replace mechanism seen iby ADC t of range Retry soft pressure cal perform hard cal or return to ALARIS Medical Systems for repair or replace mechanism Pressure limits Retry soft pressure cal perform hard cal or return to ALARIS Medical Systems for repair or replace mechanism SENSOR TOO Electrical in pressure signal Retry soft pressure cal perform hard cal or return to ALARIS Medical Systems for repair or replace mechanism 15 5 4 Messages that require instrumentsto returned to ALARIS Medical Systems for
163. strument is 2 1 Introduction not In use This chapter describes the initial setup and configuration of the instrument Included in this chapter is a reproducible form Record of Configured Instruments Table 2 3 available for recording and tracking configurations for instruments located in different areas For your reference a fold out map of all the configuration screens is provided at the end of this chapter 2 2 New Instrument Checkout Refer to the instrument s Directions For Use DFU manual for instructions regarding unpacking and setting up the instrument for the first time When turning on the instrument verify that the instrument beeps and that all display LED segments flash This confirms that the pump has performed its self test and is operating correctly During operation the pump continually performs a self test and will alarm and display a message if it detects an internal malfunction Service is required if the pump fails to satisfactorily pass the start up sequence Refer the instrument to qualified service personnel if the instrument shows physical damage is out of calibration fails to complete the self test or continues to alarm Information about instrument alarms is found in Chapter 6 of this manual and in the Directions For Use For new instrument checkout the minimum checks are e Functional Test Chapter 3 e Ground Current Leakage Test Chapter 3 e Flow Stop Test Chapter 3 e Instrument Conf
164. supply U39 U43 is used to power devices that remain powered when the instrument Is off e g Battery Manager circuitry and VRAM The supply is regulated at 5V 5 4 5 13 System Switching Supplies The system switching supplies provide regulated 5V 29V and 15V power to the logic display motor and sensor circuits Each of the supplies uses an integrated switching regulator IC which provides thermal overload protection internal oscillator internal reference and current limit functionality The SOURCE voltage is applied to three switching power supplies a The 5V supply 017 U31 is a step down buck configuration switching regulator which provides a lower output voltage 5V 5 than input voltage 10V 24V The supply can provide in excess of 1A peak Output clamp Zener diodes limit circuit damage in the event of regulation failure The regulator has an internal pass element which turns on current to the output inductor until the output voltage as sensed through the sense resistors reaches the internal 1 23V reference voltage It then turns off and the inductive flyback voltage created is clamped by a catch diode b The VMOTOR supply U21 U26 is a step up boost supply which provides a higher output voltage 29V 1 5V than the input supply 9V 24V The supply can provide up to 1A peak and has a soft start feature to limit inrush current upon starting The internal pass element shorts the output side
165. t beeps and red alarm light flashes b Set infusion rate to 460 ml hr and VTBI to 100 ml C Press the RUN HOLD switch with the latch closed and rate and VTBI z O to cause a set out and air in line messages d Open the latch e Install primed administration set with latch open f Verify the pump displays air in line and latch open messages g Close the latch and verify the display returns to the setup page h Perform upstream occlusion test as follows 1 Verify the infusion rate is set to 460 ml hr 2 With the pump on hold or at start up verify the primary VTBI is set to 100 3 Press the RUN HOLD switch to begin the infusion ARIS MEDICAL SYSTEMS Signature Edition Technical Service Manual 3 3 4 Clamp off IV line just above pump to simulate NOTE Donoru ZOBCS more than ZO an upstream occlusion Verify the pump stops running alarms and displays OCCLUSION UPSTREAM within 60 seconds a Fill the solution container with clean tap water Take a 70 RCS rate calibration set and close the AccuSlide clamp then insert the spike into the 5 Press the RUN HOLD switch to silence the alarm solution container and put the pump on hold b Open AccuSlide clamp and prime set 6 Remove or open the clamp on the line particular attention to ensure that all air is 7 Press the RUN HOLD switch to resume infusion expelled from the set Close the Accuslide
166. t by shutdown signal 1 3 3 Refresh Cycle A battery refresh cycle performs a full charge discharge and recharge to condition and measure the capacity of the battery This refresh results in a new Measured Capacity in the battery diagnostics and can be used to judge the condition of the battery The refresh cycle must be initiated manually either by disconnecting reconnecting the battery or by loading 0 0 A H as the rated capacity in the battery diagnostics page After the zero rated capacity is loaded and the OK button is pressed the original rated capacity must be reloaded to preserve the battery gauge The empty E icon will flash during the discharge part of the refresh cycle The AC power must remain connected and uninterrupted during the discharge cycle If the AC power is removed during this cycle the discharge cycle will be terminated and another refresh cycle will have to be initiated The time for complete refresh is dependent upon battery temperature and takes an average of 20 hours to complete Two ways to initiate a manual refresh cycle are 1 Disconnect from AC unplug the battery then press the power switch The lower LCD will go blank Reconnect the battery then plug the pump into AC 2 Enter Diagnostics Mode go to page D2 and enter 0 0 Ah for battery rated capacity Press Enter and a Turn pump off and back on then plug the pump into AC Once the fan turns on indicating the start of a refresh cyc
167. t to ALARIS Medical Systems or replace the mechanism a If the rate error is positive i e above 40 ml use the following formula Step 1 R Ex2 A Step2 2 N is the number to enter into the rate cal screen step 3d for the applicable mechanism and channel as selected in the Diagnostics Mode step 1c b If the rate error is negative i e below 40 ml use the following formula Step 1 R Ex2 A Step2 2 N is the number to enter into the rate cal screen step 3d for the applicable mechanism and channel as selected in the Diagnostics Mode step 1c 3 Reset the rate calibration value The instrument should be in the Rate Cal section of the Diagnostics Mode as in step 1 a Dual channel instrument Ensure that the appli cable channel is selected see step 1c b Press the upper left soft key twice The instru ment will beep each time the key is pressed but the display will not change C Press the soft key next to Cal to highlight the cal number d Enter the new rate calibration value cal culated in step 2 on the key pad e Press enter f Press OK 4 Perform the Rate Accuracy Verification Test as specified in Chapter 3 with the following differ ences a Perform the test with the instrument set to the Pressure mode default IVAC Signature Edition Technical Service Manual Directory MEDICAL SYSTEMS CORRECTIVE MAINTENANCE b Use an Rate
168. tely 383 136255 Mechanism Seal A R 416 305318 Rubber Feet 2 463 305237 Screw Mach M3 x 10mm PNH 1 NOTE If model is not specified the part can be used all versions 7100X 7100E 7100F 7100G 120V VERSION 7101X 7101A 220V VERSION TO INSTALL FLOW SENSOR KIT INSTRUMENT MUST HAVE REV 2 44 OR HIGHER SOFTWARE ALARIS 2 Signature Edition Technical Service Manual 7 9 Directory 7 11 Figure 7 2 Front Case Assembly Single Channel Technical Serv IVAC Signature Edition n Se NL C y 4 Ex TA 4 7 CRAY y ANSA 2 f 4 Kr CA 7 Y X MEZ D 9 E Q ALARIS MEDICAL SYSTEMS Figure 7 2b Front Case Assembly Dual Channel ice Manual 7 13 Technical Serv IVAC Signature Edition ALARIS MEDICAL SYSTEMS D 9 E Q ILLUSTRATED PARTS BREAKDOWN Figure 7 3 Rear Case Assembly Item Part Number Description QTY 035 141917 RS 232 Board Assembly with Nurse Call 7100X 7200X 1 136593 Isolated RS 232 Board Assembly 7101X 7201X 1 041 141189 ECD Board Discriminator Board 7101X 7201X and 7100X 7200X with Flow Sensor Kit added 050 140077 Panel Lock Keypad 1 060 141371 Power Supply AC Off Line Switcher 1 061 139930
169. teries wear out in that the chemicals and materials used to construct the cell break down The way the instrument deals with this is to assume that a battery will continually reduce capacity at a rate equivalent to 3096 over 4 years and continually reduce capacity at a rate equivalent to 3096 per 200 full discharge charge cycles These calculated values are used to reduce the runtime displayed on the battery gauge c PARTIAL DISCHARGE RECHARGE When a battery is partially discharged then charged for less than the full time differences between individual cell capacities result in cells completing charge at different times If the full charge sequence is not then completed the cell mismatch becomes progressively greater This is viewed by the user as low apparent runtimes and premature low battery warning and alarms The problem is cumulative in that the mismatch increases for every partial cycle The lowered capacity is not permanent but may require 2 3 full discharge charge cycles to recover The way the instrument deals with this is to reduce the runtime displayed based on a limited history of partial cycles 4 1 8 Signature Edition Technical Service Manual MEDICAL SYSTEMS CHARGE RATE The ideal charge rate requires 15 hours to get to full charge which 15 undesirable from the user s perspective The instrument provides a multiphase charge cycle which results in about 8096 capacity in the first
170. teristics Models 7100E 7200E 7100F 7200F 7100G 7200G 7101A 7201A and later versions a Perform the test with the instrument set to the Pressure Mode default b Use and Rate Calibration Set P N 7ORCS c Run pump as per rate verification procedure chapter 3 d If the rate accuracy does not fall within the required range of the 40 ml 5 38 to 42 ml and the test results were outside a range of 5 5 7 less than 37 8 ml or greater than 42 8 ml Return the instrument to Medical Systems for repair or replace the mechanism inside a range of 5 5 to 7 37 8 to 42 8 ml Calculate and set a new rate calibration value and perform the Rate Accuracy Verification Test 1 View the Rate Calibration Information a Enter the Diagnostics Mode b Advance to page D4 c Single channel instrument Press the soft key next to Cal Rate Dual channel instrument Press the soft key next to Cal A Rate for channel A or Cal B Rate for channel B d Make a note of the current rate cal number s and the applicable channel if a dual channel instrument 2 Calculate a new rate calibration value as follows Current rate Cal 4 R Percent of error use number only or as percentage Calculated calnumber A New final cal number NOTE If as result of the following calculation the new rate cal value falls outside the range of 182 to 214 return the instrumen
171. th declare that the above mentioned device s and accessories comply with the requirements of the EC Directive 93 42 EEC that the conformity assessment procedures are completed and the device s is designed manufactured and tested m accordance with the information contained within the Technical File This declaration is based on Annex of EC Directive 93 42 EEC EC Declaration of Conformity Certification of Quality System Certification Number 0526 Issued By British Standards Institution Date 2 June 1995 Device Technical File Completed By Quality Engineering Initial Release Date 1 July 1997 Supplementary Information The product herewith has additionally been assessed and complies with the following specifications and standards Safety IEC 601 1 1988 BS 5724 Part 1 1989 Safety of Medical Electrical Equipment e Draft IEC 601 2 24 Part 2 Particular Requirements for Safety of Infusion Pumps and Controllers EMC e EN 55011 1991 e EN 60601 1 1 1993 e Draft IEC 60601 2 24 Applicable EMC Limits Authorized EU Representative Issued by ALARIS Medical Systems Inc V P Quality and Regulatory Tony Thorne Manager International QA RA ALARIS Medical Systems Inc Intec 2 Wade Road San Diego California U S A Basingstoke UK Hants RG24 8 Signature Edition Technical Service Manual 1 17 Directory gt Chapter 2 CHECKOUT AND CONFIGURATION CAU TION keep latch closed when in
172. th the supply voltage now removed from the coil the coil current and the sense resistor current will decay Once the sense resistor voltage drops below the reference voltage the comparator will turn the high side switch back on The comparator circuit has been designed with a fixed turn on delay of 50 microseconds This is a result of the RC network on the output of the sense comparator stage A second comparator stage will sense when the output of the first stage rises above 3 3 volts The turn on delay results in a maximum chopping frequency of 20 kHz The lowest chopping frequency is a function of the motor current at a maximum motor current of 240 milliampere the chopping frequency is 14 kHz Inserted between the sense resistor and the comparator input is an RC network needed for filtering of the short circuit current caused by the distributed capacitance of the motor winding 4 4 14 Signature Edition Technical Service Manual Directory 42 FUNCTIONAL DESCRIPTION d The chopping action results in a steady state current in the winding for a given phase duration When the phase is reversed the opposite high side and low side switch will turn on This forces current to flow in the opposite direction The reference 11 MTRA 1 is controlled to ramp the motor current exponentially this minimizes step oscillation reducing mechanical noise The following table illustrates the phase sequence and the res
173. the battery manager told the CPU to turn off the instrument Charge or replace battery as needed Switches Inoperative Replace Channel A Led Module Replace keypad Replace Main Return to factory Upstream Occlusion Alarm Try another set Raise container higher to patient Check for downstream occlusion Check pressure cal soft Could be high resistance in catheter positional IV etc BRWN USO Restart In alarm history this indicates a resistance condition existed making it difficult to distinguish between upstream and downstream occlusion but cleared in a seconds MEDICAL SYSTEMS Signature Edition Technical Service Manual 6 3 gt 6 3 Error Messages The following hardware error messages can be generated by the instrument These display messages indicate that the instrument has detected an internal malfunction The battery manager error codes in Use these tables to diagnose and correct technical problems Table 6 2 Error Messages Message AIL DETECTOR Probable Cause Air in line detector failed Broken wire or loose connection Remedy Clean Test in diagnostic mode Replace mechanism Return to factory BATTERY OPEN Battery Manager reported battery open Check connector Replace battery Replace Main PCB Return to factory BATTERY SHORT Battery Manager reported battery shorted Ch
174. ting the DC power supplies notifying the user of the number of hours of battery life remaining on the battery and performing watchdog clock sync checks functions The power system includes the Battery Manager custom IC c The motor drive and sensor control circuitry drives the motors the air in line sensors the mechanism latch detectors and the rotation detectors The circuit is also responsible for monitoring the pressure sensors the power supply voltages the motor current and the air in line sensor outputs d The user interface circuitry connects to the key pad LED modules and LCD modules to the kernel circuitry for monitoring and control This circuitry also contains the audio interface and audio test DC DC POWER SUPPLY AC OFFLINE SWITCHER Figure 4 1 Main Block Diagram CPU EPROM FZPROM AUDIO MAIN SPKR AMP SPKR TEST BKUP 5 5 t 5 5V SUPER CAP MEDICAL SYSTEMS 4 4 2 Signature Edition Technical Service Manual Table 4 1 Definition of Terms 80C188 A D A2D Battery Temperature Sensor Battery Assembly Channel A Channel B COMBO IC DIP EEPROM EMI EMC EPROM ESD Kernel Keypad LCD Module LED Module Mechanism Latch Detector Motor Rotation Detector PLCC Battery Manager PQFP RAM System Watchdog UART Ultrasonic AIL Microprocessor that contro
175. tly the instrument is on and not plugged into AC Now only VMOTOR is on so the driver generates the current to turn on the LED The current should be around 2 mA 4 6 Motor Drive Sensors 4 6 1 Motor Drive The stepper motor drive circuit consists of a dual H bridge to provide voltage to each winding of the hybrid stepper motor and a voltage comparator to control the duration that voltage is applied to each motor winding The sequence of operation for a single phase Phase 1 A of the motor is as follows a Phase A 1 MTRA 1 is active which causes the high side switch and low side switch diagonally opposite the high side switch to close This presents the motor supply voltage across the motor winding The signals MTRA and 1B MTRA are used to drive the motor b Current will begin to increase at a rate determined by the ratio of the motor voltage to the inductance of the motor 0 about 0 5 amps millisecond and flow in the direction indicated by the arrow shown The current will increase in the sense resistor at the same rate and result in a voltage sensed by the comparator c Once the sense resistor voltage 1 MTR 1 rises above the reference voltage at the comparator inputs U14 U27 the comparator output U14 1 U27 7 will switch low forcing the high side switch to open The low side switch will always remain closed until a phase change occurs Wi
176. to be monitored by a computer providing a means to create advanced clinical systems A separate manual on data communications 15 available and organized to support technical personnel with a wide range of experience and needs The separate manual includes General Information Includes the phone number technical support Operation The instrument s communications modes controls indicators and procedures from the user s point of view Instrument Setup How to set the baud rate enable or disable computer control and other parameters e Flectrical Interfacing RS 232 background information connectors and recommended wiring common computers Communications Protocol Inquiry response and command codes data formats message sequences and error detection 1 7 Accessories Accessory items are available use with the instrument These items are described in the following paragraphs 1 7 1 Nurse Call 7100 7200 only All instruments are equipped with the nurse call feature Alarms and some alerts from the pump will be relayed to the hospital s existing nurse call system No operating features of the pump are changed The pump will alarm with or without the nurse call The only additional item needed is a cable with a 9 pin to mono phone jack P N 136111 NOTE This option is not available on 7101 7201 pumps 1 7 2 Learn Teach RS 232 Cable This is a standard commercially availa
177. to factory Vref LOW Vref low 3 964 Volts Replace Main PCB Return to factory WD ALARM Watchdog has fired Reseat Power Manager Bd in socket Replace Main PCB Return to factory WD EARLY ERROR Watchdog didn t fire when stroked early Start up Reseat Power Manager Bd in socket Replace Main PCB Return to factory WD FORCE ERROR Watchdog didn t fire when forced Start up Reseat Power Manager Bd in socket Replace Main PCB Return to factory WD LATE ERROR Watchdog didn t fire when stroked late Start up Reseat Power Manager Bd in socket Replace Main PCB Return to factory WD MOTOR ON Watchdog couldn t disable motor Start up Reseat Power Manager Bd in socket Replace Main PCB Return to factory WD MTR OFF ERROR Watchdog could not disable motor Start up Reseat Power Manager Bd in socket Replace Main PCB Return to factory WD RESET OFF ERROR Watchdog power on test failed WN WN WN 00 HIN HIN HIN N I BWN HIN Reseat Power Manager in socket Replace Main PCB Return to factory MEDICAL SYSTEMS Signature Edition Technical Service Manual 6 7 gt Table 6 3 Battery Manager Error Codes not in Alarm History Message Probable Cause Remedy ERR ROM CRC Battery manager code failure 1 Replace
178. tory Replace Main PCB Return to factory RAM ADDR BUS Address bus test failed Start and run RAM CLEARED Recoverable RAM error All data lost Turn power off and back on should Normal occurrence for manually initiated refresh cycle get program lost message continue operation Replace Main PCB Replace LED module Return to factory RAM COMPARATOR RAM comparator failed to detect a forced phantom RAM error Start up and run Turn power OFF ON to reset Replace Main PCB Return to factory 1 Replace Main PCB 2 Return to factory 1 Replace Main PCB 2 Return to factory RAM PHANTOM RD Phantom RAM didn t compare equal Start up and run 1 Replace Main PCB 2 Return to factory RAM TEST WHOLE Unrecoverable phantom RAM compare error at start up 1 Replace Main PCB Return to factory Perform Check rate cal 182 to 214 Replace mechanism Replace Main PCB Return to factory Replace Main PCB Return to factory Replace Main PCB Return to factory Replace Main PCB 2 Return to factory WN WN RAM DATA BUS RAM data test dedicated byte failed Start up and run RAM DMA WRITE DMA write to RAM detected Start up and run NO RATE CAL REQ Channel requires rate calibration KR WN SCU ERROR Serial control unit error Start up and shut down NO SENSOR RNG ERR Pressu
179. tr You must OK your edit before you can power off instrument NOTE The instrument s configuration information 15 not lost when disconnected from AC power and battery power However error history and infusion program settings may be lost If you want to save this information be sure to record before disconnecting power WARNING when an instrument s configuration is changed the configuration name should also be changed to document the new parameter settings The intent of the configuration name 15 to have only one set of parameters for each alpha numeric code Refer to Section 2 5 2 Pop Up Displays WARNING Powering down in configuration mode during an alarm or error will not save any configuration changes Directory Signature Edition Technical Service Manual 2 3 CHECKOUT AND CONFIGURATION 2 4 1 Entering Configuration Mode The instrument must be off both channels must be off for Model 7200 instruments The procedure for the single and dual channel pump 15 the same Any configuration in the dual channel pump sets the same value for both channels 1 Press and hold the left bottom display soft key 2 Press and release POWER switch Continue to press the display soft key until the configuration mode display appears then release 3 Page C1 notice C1 in the upper right corner of the display of the configuration mode is displayed This is a read only display Press
180. truments and advance to page C5 2 Press and release the Teach soft key of the Teacher instrument and press and release the Learn soft key of Learner instrument 3 Press and release the start soft key of the Teacher instrument The pumps will display 1 until the transfer is complete then they will indicate if the transfer was successful or unsuccessful NOTE eet allows you to re attempt or teach the next pump NOTE The Learn Teach function will not work revision level is not the same on both pumps or if the pumps are not the same model ie 710x 720x to 70004 2 5 2 Pop Up Displays The pop up screens appear when the user attempts to turn off the instrument or execute the teach mode after changing the configuration or accessing a configured item but not changing the configuration name If you change the instrument s configuration and not the configuration name you may have similarly named instruments but with different configurations The pop up menus ask you if you want to rename the configuration 2 16 Signature Edition Technical Service Manual 2 Directory MEDICAL SYSTEMS CHECKOUT AND CONFIGURATION Duplicate the following table for additional entries Table 2 3 Record of Configured Instruments Serial Serial Serial Serial Serial Instrument ID Config Name Instr Label Location Language Air in Line
181. ts positive or 200 counts negative from last O cal level 4 7 User Interface The user input interface consists of a keyboard organized as a 5x8 matrix which is scanned and controlled through the LED Module on a single channel pump and the Channel A LED Module on Figure 4 13 User Interface Block Diagram COMBO IC LCD Interface BKLT LED COMBO IC PWM Output LCD CONT COMBO IC Serial Control Unit Front and WD_OUT KEY_ROW_7 0 Rear Keypads the dual channel pump The keyboard is scanned approximately every 10 ms and key data updated when there Is a change due to any key or keys being pressed or released Note that the panel lock is scanned as part of the scan sequence even though it is located on the back of the pump Switches are scanned every 10 msec two cycles are required to be a true switch actuation This provides a debounce function to eliminate mechanical noise and EMI RFI interference The power switch es are sensed separately by the Battery Manager During normal operation the power switch es are monitored like the other keys so that inadvertent pump turnoff can be avoided In a system alarm state i e watchdog alarm active the keys directly control turning power off to the pump The user output interface consists of three display modules The LED Module s provide rate data visible from a distance along with operating mode annunciators AC Battery operation notic
182. ture allows the clinician to infusions over a period of up to 24 hours the fluid volume and delivery rate is repeated for each delivery 6 Press to accept the changes and return to the beginning of the C3 page 2 4 9 Setting Optional Features The Panel Lock feature allows the clinician to lock and unlock the front panel to help prevent tampering When VTBI Volume To Be Infused is on the clinician must always enter a volume to be infused otherwise the last remaining VTBI or last entered VTBI will be in effect depending on the channel s last usage When VTBI is off there is no VTBI line capability to the user 2 10 Signature Edition Technical Service Manual Directory When the Resistance Trend feature is on graph is displayed on main LCD via Options Menu When the Multi Dose Alert feature is on the clinician will get the option to set an alert at the end of every dose when in Multi Dose Mode 1 3 press the soft key 2 Press and release Fanell Lock soft key to select for editing Press again to cycle between 3 Verify HTETI is on need flow sensor option installed to be able to turn off 4 Press and release the en soft key to select or r editing Press again to between or Of f a In Pressure Only mode the graph still displays Hi Resistance data b Trend data is lost when User clears graph infor
183. umps with main software Rev 2 02 or higher The AC Off Line Switcher and RS 232 boards are replaced as an assembly If a board is determined to have failed it is replaced with a new board see Chapter 7 for part numbers ALARIS Medical Systems does not provide replacement components for repair of these boards Both single and dual channel pumps function in the same manner However they use two different Main PCBs Therefore the component reference designations are different for each board To help distinguish between the one and two channel pump reference designations in this chapter the two channel pump will be represented in parenthesis and italicized e g 013 4 2 Principle of Operation The pump contains a peristaltic pumping mechanism and support circuitry to ensure controlled flow The peristaltic mechanism consists of a linear array of 12 cam followers which travel perpendicular to the administration set These cam followers act like fingers kneading the membrane When the fluid filled disposable is placed against the array of cam followers the coordinated sinusoidal motion of the cams causes a peristaltic wave of fluid displacement in the pumping segment of the disposable ALARIS Signature Edition Technical Service Manual 4 1 Directory The pump will alarm at signs of internal problems and at preset thresholds for external problems for example when battery charge falls below a critical
184. uracy verification fails instrument 1 Ensure 70 5 Rate Cal Set has not been used d Enter Diagnostics Mode by pressing and holding for more than 40 runs Refer to Chapter 5 for rate top soft key then turn instrument on and release calibration procedure or call ALARIS Medical soft key when diagnostics display appears Refer SystemsTechnical Support to Section 6 4 1 Entering Diagnostics Mode 2 Set stopcock to drain into receptacle e Advance to D6 screen by pressing page soft key Figure 3 2 Setup for Rate Verification Test yates Water Source Burette 50 ml 30 2 inches Burette Clamp TT Equipment 1 Stand N 7ORCS Rate Cal Set B Tubing Instrument AL Three Way Stand Stopcock 7 IV Tubing Used Fluid Receptacle Signature Edition Technical Service Manual 3 5 Directory f Select Pressure for dual channel g Allow 1 hour warmup h Perform soft pressure calibration 1 With no pressure applied press the 8 soft key 2 Apply 500 mmHg x1 mmHg of pressure 4 Remove set and pressure from pump Set sensor check calibration verification Verify both 0 mmHg and 500 mmHg readings say pass Install set and close latch Verify reading over 170 Verify sensor reading is in the 30 to 80 mmHg range without set installed If the pump
185. urce consists of a low on resistance FET 0 5110 sense resistor and amp to set the sense resistor voltage based on the filtered PWM input voltage BKLT LED The backlight intensity is not user adjustable 4 10 2 Graphic LCD Contrast The graphic LCD contrast is controlled by varying the Vneg supply to the module over a 7V to 11V range The drive circuit inverts and scales the filtered PWM LCD CONT signal from the COMBO IC to cover this range Nominally the contrast voltage is 9V but can be adjusted through Configuration Mode in software 4 11 Nurse Call Circuit 7700 7200 only An optional nurse call circuit is located on the RS 232 Nurse Call board and provides a 35V Q 1A rated relay contact on system alarms through pins 6 and 9 of the RS 232 connector 4 12 Panel Lock Switch The pump can be protected from unauthorized changes with the Panel Lock Switch A lock symbol is shown in the Lower LCD Display whenever the feature is active When activated access to all front panel keys is restricted except channel select and split screen viewing key 4 13 ECD Board 4 13 1 ECD Board Option for 7100 7200 The ECD board sold in a separate kit provides empty container detection using standard IVAC Model 180 Drop Sensors The board contains two independent drop sensor control circuits and drop detection circuits as well as timing control logic The circuitry can detect whether a drop sensor is installed and generates a 20
186. w say pass AT LAST CAL VBRIDGE SENSOR VALUE SENSOR VALUE ADC COUNTS ADC COUNTS 1 Press ok to accept Soft cal is now complete 7 Adjust transducer pot for a compensated value of 1100 25 counts while in the D6 screen and 5 6 8 Checking Pressure Calibration Set watching the compensated sensor value 1 Go to the diagnostics mode D6 screen to access 8 Once transducer is adjusted for proper reading the Pressure Calibration section press amp to accept the value 2 Note the sensor reading 9 Apply the tamper seal Metron Marker or equiva 3 Install the pressure calibration set lent to the transducer Care should be taken to avoid applying too much tamper seal so it does not effect the transducer 10 Close unit by setting bottom of rear case onto 4 f the sensor reading has had a greater than 20 count shift or the pressure calibration set leaks replace the set ARIS MEDICAL SYSTEMS Signature Edition Technical Service Manual 5 23 4 141777 FAA 109 of 150 5 6 9 Rate Calibration Procedure Provides Biomedical Technicians a procedure for optimizing the rate calibration value for each mech anism The rate calibration value controls the rate at which the motor turns to help control the infusion rate This procedure allows the rate calibration value to be set for each mechanism using a rate calibration set to enable optimization of the rate accuracy charac
187. y place them in the user s option menu When Loading Dose Multi Step and Multi Dose are on they appear in the menu when the options key is pressed in normal mode For Dose Rate to appear in the options menu it must be turned on as well as something programmed in the drug short list If anything is programmed for the drug short list then the appearance of the Dose Rate in the options menu only requires that the Dose Rate feature be on 1 On the page press the Modes ALARIS Signature Edition Technical Service Manual 2 9 Directory 2 Press and release Loading Dose soft key to for exiting Press again to between and Qf f This feature allows the clinician to set up an initia infusion rate for a specific volume automatically followed by a maintenance rate from the same container 3 Press and release Hose Rate soft key to select for editing Press again to cycle between and Df f This feature allows the clinician to program dose parameters and the instrument calculates the volumetric rate 4 Press and release Piui ti 2iep soft key to for Press again to es between Mr and Of f This feature allows a sequential program to up to nine steps fluid volumes and delivery rates may be programmed for each step 5 Press and release 1 1 1 soft key to for editing Press again to eerie between and This fea

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