Tri-Site Technical Service Manual
Contents
1. isses 3 5 3 3 Cleaning een 3 5 3 3 1 Cleaning Thermometer Buttons s s 3 5 Chapter 4 Principles of Operation 4 1 nigri reno REEL 4 1 4 2 Operation OVeIVIOW consi A 4 1 4 3 Continuous Measurement Method nanana nearr rnrn nerro e rrr 4 2 4 4 Fast Measurement Method 00 0 cece cece cece eee eee ee een e n 4 2 4 5 Thermometer Subsystems esses e e 4 3 4 5 1 m ae een Belinea 4 4 4 5 2 DC Power Regulation eeu da deeb eh a SE 4 4 4 5 3 Thermometer Probe Operation 4 4 4 5 4 Liquid Crystal Display LCD Operation 4 5 4 5 5 Thermometer Audio eee Pape ERU Serien Hehe 4 5 4 5 6 Anti Theft Feature sss eee s m m een ens 4 5 Alaris Tri Site Thermometer Models 228XXX Technical Service Manual TABLE OF CONTENTS Chapter 5 Corrective Maintenance 5 1 5 2 5 2 1 5 2 2 5 2 3 5 2 4 Introduction 2 1 23 TM 5 1 Disassembly Resassembly ssssssssssssssssssssssssss sse e e es nnns nn 5 2 Opening the 358 cocco see ees utere OI Tei hse tate LL bd IUE 5 3 Anti Theft Timer Configuration s sirena I n n n 5 4 ANN 5 5 Probe Wells tardas ied 5 6 Chapter 6 Troubleshooting2. Verify that probe connection and jack are clean Replace probe Replace probe simulator if used Replace circuit board 6 4 Alaris Tri Site Thermometer Models 228XXX Technical Service Manual TROUBLESHOOTING Table 6 2 Error Messages Both probes removed from storage wells Replace at least one probe to storage the thermometer does not operate with both well or disconnect probe from back of probes removed thermometer Incorrect probe inserted into well blue Check that probes are inserted into probe in red well or red probe in blue well correct wells and that probes are Broken or disconnected probe inserted into securely connected to jacks one well while the other probe is connected but not in its well Probe connected to incorrect jack Check that oral blue probe is connected to jack 2 and that rectal red probe is connected to jack 1 One or both probes are inserted in wells but Check that probes are connected to connectors are not connected to jacks or correct jacks If problem persists try broken probe s replacing probe s Broken oral blue probe detected Replace oral probe Broken rectal red probe detected Replace rectal probe Reference voltages from analog to digital Replace circuit board converter ADD out of tolerance ADD calibration phase timeout Replace circuit board RAM test failure Replace circuit board ROM CRC failure Replace circuit board H
3. 2281R X International 1 2 Alaris Tri Site Thermometer Models 228XXX Technical Service Manual GENERAL INFORMATION 1 2 1 3 1 4 1 5 1 6 WARNING DEFINITIONS Refer to the Alaris Tri Site thermometer DFU SPECIFICATIONS Refer to the Alaris Tri Site thermometer DFU OPERATING FEATURES CONTROLS AND INDICATORS Refer to the Alaris Tri Site thermometer DFU ACCESSORIES Refer to the Alaris Tri Site thermometer DFU CUSTOMER AND TECHNICAL SERVICE Refer to General Contact Information at the front of this manual Alaris Tri Site Thermometer Models 228XXX Technical Service Manual 1 3 GENERAL INFORMATION THIS PAGE INTENTIONALLY LEFT BLANK 1 4 Alaris Tri Site Thermometer Models 228XXX Technical Service Manual 2 CHECKOUT amp CONFIGURATION Chapter 2 CHECKOUT AND CONFIGURATION Remove the thermometer from use immediately if it is dropped or severely jarred Qualified service personnel must thoroughly test and inspect the thermometer before returning to use 2 1 2 2 INTRODUCTION This chapter describes initial setup and configuration for the Alaris Tri Site thermometer Due to product changes over time configurations described in this chapter may differ from the instrument being serviced NEW INSTRUMENT CHECKOUT Refer to the thermometer Directions for Use DFU for instructions regarding unpacking and setup for first time use At power up verif
4. 6 1 6 2 IHtkKOdUCHON arme Pu A 6 1 6 1 Chapter 7 Illustrated Parts Breakdown 7 1 7 2 7 3 7 4 Introduction 7 1 viciado 7 1 CANI 7 1 Ordering Parts e se ase 7 1 Alaris Tri Site Thermometer Models 228XXX Technical Service Manual TABLE OF CONTENTS List of Tables 1 1 Thermometer Models Versions Covered by this Service Manual 1 2 3 1 Probe Simulator Settings Displayed Temperatures 3 3 3 2 Resistance Decade Box Displayed Temperatures 3 4 3 3 Probe Simulator Verification sisi n nnn 3 5 5 1 Required Materials Supplies and Tools 5 2 5 2 Level of Testing Guidelines can E 5 7 6 1 Technical Troubleshooting Guide 6 2 6 2 Error Messages oooooococccccccccnnn e ases hs ss mnn he n e nnn 6 5 7 1 HEIST MM 7 2 List of Figures 3 1 Probe SiMUlalor td Ae TEE 3 3 3 2 Resistance Decade Box iocis oiana r ok e E rr rre ees se nnns nnn 3 4 3 3 Probe Simulator Cable Plug sss s nnn 3 5 4 1 Block Diagram sssssssssssssssssssssss e e e ese hh e heh ns 4 3 5
5. ADC DATA IN ADC DATA OUT VREF2 50 VALE a ADC_DATA_RDY THERMIST R2 vdc VREF2 50 PROBE INSTALLED1 PROBE INSTALLED2 CONTROLLER u 4 Rectal Probe EN I HEATER PWM U 6 E k HEATER1 ENABLE E HEATER2_ENABLE ES EN I amp RE TRIGGER1 sy A Probe Interface RE_TRIGGER2 U2 U3 HEATER DETECT H HEATER_DR Not Used Oral Probe H M H Se i 5V Pulse E HEATER DR2 un od o ME HEATER DETECT chr bo a E L HEATER DRI o ee SA Probe In PROBE WELL RECTAL Mode Well a MODE i e Detection PROBE_WELL_ORAL 54 55 5 00MHz System Reset U8 RESET 5V ANTI_THEFT_REED 53 Anti Theft Sensor AMBIENT_LIGHT Detector LDR1 Function Array LCD Bias Network 5vsw Backlight BACKLIGHT_STROBE gt Driver Q4 LED Backlight DS2_ X a xy KEN x N A Liquid Crystal Display DS1 Audio Driver amp BUZZER gt gt Divide by 2 U4 Alaris Tri Site Thermom Models 228XXX eter Technical Service Manual 4 3 PRINCIPLES OF OPERATION THERMOMETER SUBSYSTEMS Continued Microcomputer The microcomputer controls all thermometer functions It is powered whenever the batteries are
6. Chapter ath 3 Pulse Timer does not Anti theft timer has expired Return probe to well work or difficult to start thermometer in an alarm state Return thermometer to home base probe not returned to well within 5 minutes of temperature measurement or defective Pulse 4 Replace front case assembly Timer button Replace circuit board Clear any alarms Alaris Tri Site Thermometer 6 3 Models 228XXX Technical Service Manual TROUBLESHOOTING Table 6 1 Technical Troubleshooting Guide Continued Temperature Recall does not work Removing probe from well does not start thermometer Returning probe to well does not deactivate thermometer Calibration check failure Most recent temperature measurement was not in Fast mode defective Recall Scale button Probe not fully inserted into well thermometer in an alarm state defective probe well or switch Probe not fully inserted into well thermometer in an alarm state anti theft alarm active defective probe well or switch Defective probe simulator or thermometer Verify that most recent temperature measurement was in Fast mode Replace front panel Verify that probe is fully inserted into well Clear any alarms Replace probe Replace well Replace circuit board Verify that probe is fully inserted into well Return thermometer to home base Clear any alarms Replace probe Replace well Replace circuit board
7. close to the temperature within seconds without having towat at the body site several minutes for the probe s thermistor tip to reach the same temperature as the The thermometer s first measurement tissue When the thermometer reaches a verifies that ambient temperature is within final estimate it beeps three times and the specified operating range 16 0 to displays the temperature for 45 seconds or 33 3 C or 60 8 to 92 F If not the until the probe is reinserted into its well thermometer exits the Fast method and uses the Continuous method 4 2 Alaris Tri Site Thermometer Models 228XXX Technical Service Manual PRINCIPLES OF OPERATION 4 5 THERMOMETER SUBSYSTEMS This section describes subsystems of the Alaris Tri Site thermometer including microcomputer DC power regulation probe LCD audio and anti theft timer Figure 4 1 shows a block diagram of the thermometer Figure 4 1 Block Diagram Y1 32 768kHz Y2 U9 5 Volt Boost Converter L SHUTDOWN3 VBATT lt gt CR2 Not Installed U5 5 Volt SHUTDOWN2 Boost BAR Converter SHUTDOWN1 Cells MONITOR 5vsw lt SCLK V oo Probe A D le ADC CLK THERMISTOR1 Converter U7
8. installed and operates in awake or sleep states The thermometer measures temperatures and operates the pulse timer in the awake state The thermometer is partially shut down in the sleep state to conserve power Pressing a button or removing a probe from its well puts the microcomputer into the awake state The microcomputer controls the LCD and monitors the voltages that maintain DC power detect probe s installed LCD backlight operation and probe heating Installing batteries resets the microcomputer which causes the thermometer to revert to its default settings 4 5 2 DC Power Regulation The thermometer is designed to operate on three AA alkaline batteries and includes circuitry that supplies a regulated 5 V DC to the device During the sleep state the thermometer only supplies enough voltage to power essential circuits The microcomputer monitors battery voltage and activates the low battery alarm indicator when battery voltage drops to 3 5 V If battery voltage drops to 3 1 V temperature measurement stops and the microcomputer activates the replace battery indicator 4 5 3 Thermometer Probe Operation Thermometer probes include an internal thermistor and heater element The heater preheats the probe tip to a predefined target temperature when the Fast measurement method is in use The microcomputer uses a closed loop circuit to control probe heating The resistance of the probe thermistor varies according to temp
9. of this manual When requesting a part provide the following information Instrument name and model number for example Tri Site 2280OR Part description as provided in parts list Alaris Tri Site Thermometer 7 1 Models 228XXX Technical Service Manual ILLUSTRATED PARTS BREAKDOWN Table 7 1 Parts List Item Description QTY 2 Case Assembly Front Label Tri Site 1 North America International 17 Screw TPG 44 20 x 1 23 PNH PHL 2 18 Screw TPG 4 20 0 625 PNH PHH 1 33 Gasket Tri Site 1 34 Circuit Board Assembly 1 North America International 36 Wrench Hex 5 64 ACR FL P N 301485 1 37 Washer Flat 0 146 x 0 270 x 0 032 Fiber 5 38 Screw TPG 4 20 x 0 25 PNH PHH 4 39 Screw Trilob 44 20 x 5 16 PHL PNH ZPL 1 44 Case Assembly Rear Tri Site 1 45 Well Probe Oral 1 52 Jumper Battery 228X 2 61 Strap Carrying 2X8X P N 122854 1 63 Well Probe Rectal 1 65 Pad Mounting Foam Dbl Adh P N 127842 1 66 Cover Battery 2X8X 1 67 Screw TPB 8 x 3 4 PNH PHH 4 68 Screw Anchor 8 10 x 7 8 4 69 Battery Alkaline Size AA P N 303590 3 96 Label 1 Sublingual Pocket Model 2117 2118 Oral Probe Placement International 7 2 Alaris Tri Site Thermometer Models 228XXX Technical Service Manual ILLUSTRATED PARTS BREAKDOWN Table 7 1 Parts List Continued Item Description QTY 97 Label Home Base 1 98 100 101 102 607 608 635 636 642 650 712 713 714 Portab
10. 1 Opening the Case etere i neii eh i esses esee ese a ne e hne e n n n nnn 5 3 5 2 Anti Theft Jumper Configuration sssssssssssssssssssssssss I ne 5 4 5 3 Circuit Board ME 5 5 5 4 Probe Wells ec ar nn 5 6 7 1 Eabel Placements re 7 4 7 2 Front Rear Case Battery Compartment 7 5 7 3 Circuit Board Assembly eici dione dh i e sess sss ss sehe en 7 6 7 4 MM 7 7 Alaris Tri Site Thermometer iii Models 228XXX Technical Service Manual TABLE OF CONTENTS THIS PAGE INTENTIONALLY LEFT BLANK iV Alaris Tri Site Thermometer Models 228XXX Technical Service Manual 1 GENERAL INFORMATION Chapter 1 GENERAL INFORMATION AN To avoid damaging the keypad do not use 1 1 INTRODUCTION sharp objects pens pencils etc to activate This technical service manual describes switches how to maintain and service the DA Any attempt to service this product by Alaris Tri Site thermometer in its North anyone other than an authorized Cardinal American and International versions Health Service Representative while the product is under warranty may invalidate the The North American and international warranty versions of the thermometer function identically and require the same maintenance and service The North American version is labeled in English an
11. 50 to 9258 6093 to 6101 6011 to 6019 5566 to 5574 4891 to 4899 BP and BROKEN PROBE button pressed 3 3 CLEANING Qualified service personnel must clean thermometer buttons as required Refer to the Alaris Tri Site thermometer DFU for all other cleaning instructions Open circuit 3 3 1 Cleaning Thermometer Buttons Clean thermometer buttons periodically dried matter under buttons can affect response to button presses To clean button pad 1 Remove batteries and screws that attach front and back of thermometer then remove front case 2 Gently remove button pad from front case and inspect for damage If any damage is visible replace before returning device to use 3 Use an approved cleaning solution to clean as necessary 4 Reassemble button pad into front case align locator pins and cutouts to ensure correct position 5 Replace screws to attach front and back of thermometer then replace batteries Alaris Tri Site Thermometer 3 5 Models 228XXX Technical Service Manual PREVENTIVE MAINTENANCE THIS PAGE INTENTIONALLY LEFT BLANK 3 6 Alaris Tri Site Thermometer Models 228XXX Technical Service Manual 4 PRINCIPLES OF OPERATION Chapter 4 PRINCIPLES OF OPERATION 4 1 INTRODUCTION This chapter describes the principles of operation for the Alaris Tri Site thermometer and its major subsystems 4 2 OPERATION OVERVIEW The Alaris Tri Site thermometer uses a thermistor in t
12. LY LEFT BLANK 4 6 Alaris Tri Site Thermometer Models 228XXX Technical Service Manual 5 CORRECTIVE MAINTENANCE Chapter 5 CORRECTIVE MAINTENANCE CMOS devices are sensitive to static electrical charges and may be damaged during repair if the repair activity is not performed in an electrostatic discharge ESD protected environment using approved ESD protective procedures including personnel grounding Any attempt to service this product by anyone other than an authorized Cardinal Health Service Representative while the product is under warranty may invalidate the warranty Due to product changes over time components assemblies illustrated in this chapter may differ from the instrument you disassemble If there are any questions look for Service Bulletins related to this chapter or contact Cardinal Health Technical Support To avoid the risk of electrical hazard or damage to circuitry do not spray fluids directly onto the instrument or allow fluids to enter the instrument 5 1 INTRODUCTION This chapter describes how to configure disassemble and reassemble the Alaris Tri Site thermometer The components on the circuit board are not field repairable Return circuit boards to an authorized Cardinal Health Service Center for repair Attempting circuit board repairs voids all warranties For more efficient repair read Chapter 4 Principles of Operation for information on the thermometer Fo
13. O no jumper 5 en LEE X jumper installed Top Side Shown EHE ee c I E fr he Anti theft interval 1 hour mr a oo Ee es f A bossa Ba a Y Pie Anti theft interval 8 entro oO hours Anti theft alarm disabled o uio 0000 1 o n 0000 o 13 1323 2 Alarm audio 3 beeps Jumper E5 ED Jumper E1 Alarm audio continuous Jumper E2 5 4 Alaris Tri Site Thermometer Models 228XXX Technical Service Manual CORRECTIVE MAINTENANCE 5 2 DISASSEMBLY REASSEMBLY Continued 5 2 3 Circuit Board 1 Remove 5 screws and washers that hold the circuit board to the front case Figure 5 3 2 Gently rock the circuit board loose from the front case Figure 5 3 Circuit Board LCD and backlight attached to underside Button Assembly part of Front Case Alaris Tri Site Thermometer 5 5 Models 228XXX Technical Service Manual CORRECTIVE MAINTENANCE 5 2 DISASSEMBLY REASSEMBLY Continued 5 2 4 Probe Wells 1 Each well has locking latch that holds it in place Figure 5 4 2 Usea tool that can reach under each probe well to release locking latch slide the well from the rear case while pressing the latch Figure 5 4 Probe Wells Press locking latch under probe well 5 6 Alaris Tri Site Thermometer Models 228XXX Technical Service Manual CORRECTIVE MAINTENANCE 5 2 DISASSEMBLY REASSEMBLY Continued Ta
14. Technical Service Manual Alaris Tri Site Thermometer Models 228XXX May 2006 CardinalHealth Alaris Products CardinalHealth General Contact Information Cardinal Health Cardinal Health Alaris Products The Crescent Jays Close 10221 Wateridge Circle Basingstoke Hampshire RG22 4BS San Diego California 92121 United Kingdom USA http www cardinalhealth co uk alaris http Awww cardinal com alaris Customer Advocacy Clinical and technical feedback North America Phone 800 854 7128 Ext 7812 E Mail CustomerFeedback cardinal com International E Mail international product complaints cardinal com Technical Support North America Maintenance service information support and troubleshooting United States Canada Phone Phone 858 458 6003 Eastern 800 387 8309 800 854 7128 Ext 6003 Western 800 387 8309 Customer Care North America only Instrument return service assistance and order placement United States Canada Phone 800 482 4822 Phone 800 387 8309 Technical and Customer Services UK only Maintenance and service information support Instrument return service assistance and order placement Customer Service Technical Service Freephone 0800 917 8776 Freephone 0800 389 6972 E Mail UK Customer E Mail UK Technical Service cardinal com Support cardinal com International Service Contacts For service or technical infor
15. ard Missing or faint display Faulty LCD or circuit board Verify CPU and circuit board segments connections connections Replace circuit board 6 2 Alaris Tri Site Thermometer Models 228XXX Technical Service Manual TROUBLESHOOTING Table 6 1 Technical Troubleshooting Guide Continued Backlight does not Faulty backlight or light sensor Replace circuit board function correctly Beeper does not function Faulty speaker or speaker Replace circuit board correctly drive circuitry Thermometer enters Inadequate tissue contact initial Allow probe to cool before use Continuous Monitor mode probe temperature too high Verify that buttons are clean and unexpectedly defective heater element in probe can move freely tip stuck Mode button Replace probe Return to Base message Defective magnet in home base Try another home base or symbol does not reset incorrect jumper configuration on 2 Check circuit board jumpers E1 when thermometer circuit board defective circuit and E2 returned to home base board Replace circuit board Broken probe indicator Ambient temperature out of Verify that ambient temperature is but probe is good specified operating range within specified range defective circuit board Replace circuit board Out of specification Defective probe or circuit board Replace probe readings in Continuos Perform Calibration Check see E mode using water Preventive Maintenance
16. ble 5 2 Level of Testing Guidelines A o YN 5 2 AU c o o eo c E Service Procedure Battery Replacement IH Circuit Board Replacement E Front Rear Case Replacement mW Probe Replacement Preventive Maintenance X Thermometer Dropped x IL I Sem E Alaris Tri Site Thermometer 5 7 Models 228XXX Technical Service Manual CORRECTIVE MAINTENANCE THIS PAGE INTENTIONALLY LEFT BLANK 5 8 Alaris Tri Site Thermometer Models 228XXX Technical Service Manual 6 TROUBLESHOOTING Chapter 6 TROUBLESHOOTING Because circuit board components 6 1 INTRODUCTION iel i le this manual n an en This chapter describes possible technical problems and operating errors that may occur while using the Alaris Tri Site thermometer Refer to this chapter before attempting to service the thermometer If a problem occurs first check that The thermometer is being operated correctly according to the DFU Batteries are installed correctly and do not need to be replaced The anti theft timer interval has not expired 6 2 SELF TEST The thermometer performs self tests every time it is used and whenever the batteries are replaced If an error is detected an error code appears and the thermometer stops working Tables 6 1 and 6 2 describe how to resolve operating problems and error codes Alari
17. d the international version uses icons gt gt The Alaris Tri Site thermometer is available in nine models see Table 1 1 and uses only P850A disposable probe covers This manual is intended for personnel experienced in analyzing troubleshooting and repairing analog and digital electronic equipment The Alaris Tri Site thermometer Directions for Use describes how to set up and operate the thermometer CardinalHealth Alaris Tri Site thermometer y International version CardinalHealth Alaris Tri Site thermometer North American version Alaris Tri Site Thermometer 1 1 Models 228XXX Technical Service Manual GENERAL INFORMATION 1 1 INTRODUCTION Continued The Alaris Tri Site thermometer includes a Table 1 1 summarizes thermometer package thermometer a home base probes and contents according to model and version attachment options Table 1 1 Thermometer Models Versions Covered by this Technical Service Manual Model version Portable 22800R North America Oral Axillary Rectal Only Probe blue Probe red Probe Carrying Cover Stra Dispenser x A 22800 North America 2280R North America 22850R North America America 2285R North America 22810R X X X International 2 x 22810 International 22850 North
18. eater interlock fault or defective probe Replace probe If problem persists replace circuit board Internal fault Replace circuit board Alaris Tri Site Thermometer 6 5 Models 228XXX Technical Service Manual TROUBLESHOOTING THIS PAGE INTENTIONALLY LEFT BLANK 6 6 Alaris Tri Site Thermometer Models 228XXX Technical Service Manual 7 ILLUSTRATED PARTS BREAKDOWN Chapter 7 ILLUSTRATED PARTS BREAKDOWN 7 1 7 2 7 3 7 4 INTRODUCTION The illustrated parts breakdown for the Alaris Tri Site thermometer shows its major assemblies ILLUSTRATIONS Use the exploded views to identify the parts of each assembly Item numbers the numbers in bubbles in the illustration correspond to the item number in the parts list A part that does not have an item number is part of a higher assembly NOTE Due to product changes over time illustrations in this chapter can differ from the instrument under service See applicable Service Bulletins or contact Cardinal Health Technical Support for more information PARTS LIST The parts lists include the following information for replaceable parts Item This number corresponds to the item number in the illustration Description Description of the part e QTY Total number of each item used ORDERING PARTS Parts can be ordered by writing or calling Cardinal Health Customer Service refer to General Contract Information page at beginning
19. erature The microcomputer uses input voltages from the the thermistor and heater if used to compute temperature Signals from the probes allow the microcomputer to determine the probe type oral axillary or rectal whether the probe is properly connected and to prevent heater runaway If a software or microcomputer failure occurs hardware watchdog circuitry protects heater elements from being over driven The microcomputer must continuously activate certain signals for the heater elements to remain on Without these signals watchdog circuitry blocks heater element operation The thermometer activates a broken probe alarm if the measured temperature is below 0 C 32 F or above 260 C 500 F The thermometer activates an overheated probe alarm if the measured temperature is over 46 C 115 F Alaris Tri Site Thermometer Models 228XXX Technical Service Manual PRINCIPLES OF OPERATION 4 5 4 Liquid Crystal Display LCD Operation The microcomputer controls the LCD by multiplexing voltages applied to segment pins with serial port states to turn display segments on and off A cadmium sulfide cell whose voltage varies according to light detection acts as an ambient light sensor The microcomputer monitors light sensor voltage and turns the display backlight two LEDs on and off 4 5 5 Thermometer Audio When an audio tone is required an indicator beep or continuous alarm tone the microcomputer genera
20. he tip of the probe to sense temperature Temperature changes cause an inverse nonlinear change in thermistor resistance The thermistor s output voltage represents the measured temperature and is fed to the thermometer s microcomputer The microcomputer then drives the thermometer screen to display the temperature Temperature calculations differ according to whether the Continuous or Fast predictive method is in use Either method can be used at any of three body sites oral axillary or rectal The combination of measurement method and body site is called the mode System power up begins when batteries are installed in the thermometer once batteries are installed the thermometer alarms until it is returned to home base The thermometer performs self tests of its RAM ROM LCD reference voltages audio system battery voltage and anti theft feature If self testing does not complete within an expected time limit the thermometer alarms Once self testing is complete the thermometer continuously checks its status and alarms if an error is detected Operator inputs to the thermometer include button presses connecting probes to the thermometer and installing and removing probes Alaris Tri Site Thermometer 4 1 Models 228XXX Technical Service Manual PRINCIPLES OF OPERATION 4 3 CONTINUOUS MEASUREMENT If the thermometer switches to the METHOD Continuous method one long beep and a During the Continuou
21. igure 7 4 Accessories Alaris Tri Site Thermometer 7 7 Models 228XXX Technical Service Manual ILLUSTRATED PARTS BREAKDOWN THIS PAGE INTENTIONALLY LEFT BLANK 7 8 Alaris Tri Site Thermometer Models 228XXX Technical Service Manual CardinalHealth Alaris is a registered trademark of Cardinal Health Inc or one of its subsidiaries All other trademarks belong to their respective owners Part Number 10014776 2006 Cardinal Health Inc or one of its subsidiaries All rights reserved
22. le Tri Site Alaris Tri Site Home Base P N 2117 P N 2118 Holder Probe Cover Box 2X85 P N 134994 Washer 2X85 part of Item 100 Pad Foam 2X85 part of Item 100 Directions for Use DFU Tri Site included in Service Manual Assembly Label Operating Instructions Tri Site Portable English Portable International Wall Mount English Label Name Rating Tri Site English International Label Battery Replacement Tri Site International Label Anti Theft English North America only Label Serial Number Probe Tri Site Oral Long Model 3887 Probe Tri Site Rectal Long Model 4888 Bracket Probe Cover Dispenser P N 896 Probe Simulator P N TE 1811 Alaris Tri Site Thermometer Models 228XXX Technical Service Manual ILLUSTRATED PARTS BREAKDOWN Figure 7 1 Label Placement Home Base Side Back Inside Battery Cover 7 4 Alaris Tri Site Thermometer Models 228XXX Technical Service Manual ILLUSTRATED PARTS BREAKDOWN Figure 7 2 Front Rear Case Battery Compartment Battery Compartment yo D Battery Compartment Alaris Tri Site Thermometer 7 5 Models 228XXX Technical Service Manual ILLUSTRATED PARTS BREAKDOWN Figure 7 3 Circuit Board Assembly 7 6 Alaris Tri Site Thermometer Models 228XXX Technical Service Manual ILLUSTRATED PARTS BREAKDOWN F
23. mation contact the nearest Cardinal Health Affiliate Office your local representative or see http www alarismed co uk technical contacts html Alaris Tri Site Thermometer Models 228XXX Technical Service Manual TABLE OF CONTENTS Chapter 1 General Information 1 1 Introduction ee en ee 1 1 1 2 Warning Definitions sss ee ns 1 3 1 3 SP TE TCU 1 3 1 4 Operating Features Controls and Indicators 1 3 1 5 Accessories b llli 1 3 1 6 Customer and Technical Service 2 4 rioris 1 3 Chapter 2 Checkout and Configuration 2 1 INTOQUCUION eta er 2 1 2 2 New Instrument Checkout eccesso deste uie ae aa sven 2 1 2 3 Changing Factory Default Settings tee eee e eens 2 2 2 3 1 Mode and Scale 2 0 see s ina sse lle e erae 2 2 2 3 2 Anti Theft Timer Interval lesen 2 2 Chapter 3 Preventive Maintenance 3 1 INTOdUCUO iat te cette mr 3 1 3 2 Preventive Maintenance 22 il be 3 1 3 2 1 Visual INSPECHON 25 oo DEDE 3 2 3 2 2 Startup 3 2 3 2 3 Pulse Timer Check eee e e e leere lean 3 2 3 2 4 Calibration and Probe Detection Check 00 0 00000 ee 3 3 3 2 5 Probe Simulator Calibration Verification
24. nuous Monitor mode 8 Set probe simulator to ORAL and START positions 9 Connect probe simulator cable to jack 1 red side and verify that error message 3 appears 10 Set probe simulator to RECTAL 11 Verify that thermometer displays Rectal Continuous Monitor Mode symbol or message Figure 3 1 Probe Simulator Model TE 1811 12 Set probe simulator to the values listed in Table 3 1 then verify displayed temperatures Probe simulator cable Probe Simulator Method Table 3 1 Probe Simulator Settings Displayed Temperature 1 Verify that thermometer is silent and display is blank when no probes are Probe connected or installed in wells Set Simulator Displayed Temperature thermometer to Oral Continuous Monitor Setting mode 80 2 80 2 0 2 F or 26 8 0 1 C 2 Set probe simulator to RECTAL and START positions 98 0 F 98 020 2 F or 36 7 0 1 C 3 Connect probe simulator cable to jack 2 blue side and verify that error 98 6 F 98 6 0 2 F or 37 0 0 1 C message 3 appears 4 Set probe simulator to ORAL and verify 102 0 F 102 0 0 2 F or 38 9 0 1 C that thermometer displays Oral Continuous Monitor Mode symbol or message 107 8 107 8 0 2 F or 42 1 0 1 C Alaris Tri Site Thermometer 3 3 Models 228XXX Technical Service Manual PREVENTIVE MAINTENANCE Table 3 2 Resistance Decade Box Displayed Temperature 3 2 4 Calibration and Probe Detection Check C
25. o the values listed in Table 3 2 then verify displayed temperatures Set the resistance decade box to a value greater than 1 MQ and verify that error message 68 appears Alaris Tri Site Thermometer Models 228XXX Technical Service Manual PREVENTIVE MAINTENANCE 3 2 4 Calibration and Probe Detection Check Continued Circulating Water Bath Method 1 While pressing and holding the pulse timer button remove a probe from the probe well Release the pulse timer button 2 Verify that thermometer displays Oral or Rectal Continuous Monitor Mode symbol or message 3 Install a probe cover over the probe and insert the probe 2 5 to 3 inches into water bath 4 Leave probe in place for at least two minutes 5 Verify that displayed temperature is within 0 2 F 0 1 C of actual water temperature 3 2 5 Probe Simulator Calibration Verification Verify calibration of the probe simulator if used annually Verification requires a FLUKE Multimeter Model 8800A or equivalent 5 1 2 digit meter 1 Set multimeter to K OHMS RANGE 20 2 Measure between pins 2 and 3 of the probe simulator plug Figure 3 3 then verify resistance measurements Table 3 3 Figure 3 3 Probe Simulator Cable Plug PIN 1 PIN 4 3 1 M UU 3 The probe simulator fails if measured values are not within specified ranges Table 3 3 Probe Simulator Verification Probe Simulator Setting Multimeter Reading 92
26. ontinued Probe Simulator Method Continued Resistance Displayed Temperature 13 Set probe simulator to BP then press Setting BROKEN PROBE button Verify that 60979 98 0 0 2 F or 36 7 0 1 C 92540 80 2 0 2 or 26 8 0 1 C error message 68 appears 14 Disconnect probe simulator cable Resistance Decade Box Method 1 Connect the resistance decade box as shown in Figure 3 2 60150 198 6 0 2 F or 37 0 0 1 C 55709 102 0 0 2 or 38 9 0 1 C 48950 107 8 0 2 or 42 1 0 1 Figure 3 2 Resistance Decade Box Connector 6 pin modular plug with offset latch 5 Setthe resistance decade box to a value greater than 1 MQ and verify that error message 67 appears 6 Disconnect probe simulator cable Again verify that thermometer is silent and display is blank Set thermometer to Rectal Continuous Monitor mode 360 Jumper for RECTAL only box 7 Connect jumper between connector pins 1 and 6 then connect cable to jack 1 red side 2 Verify that thermometer is silent and display is blank when no probes are connected or installed in wells Set thermometer to Oral Continuous Monitor mode Connect resistance decade box cable to jack 2 blue side and verify that thermometer beeps and displays Oral Monitor Continuous Mode message or icon Set resistance decade box to the values listed in Table 3 2 then verify displayed temperatures Set resistance decade box t
27. r troubleshooting information read Chapter 6 Troubleshooting For information on replacement parts read Chapter 7 Illustrated Parts Breakdown Following any level of maintenance or repair perform the applicable tests refer to Level of Testing Guidelines table at the end of this chapter Alaris Tri Site Thermometer 5 1 Models 228XXX Technical Service Manual CORRECTIVE MAINTENANCE 5 2 DISASSEMBLY REASSEMBLY Follow these procedures in order for the most efficient disassembly To reassemble the thermometer reverse the disassembly steps Before adhering gaskets and labels to the instrument clean the surface with a cotton swab or soft cloth lightly dampened with 70 isopropyl alcohol Table 5 1 Required Materials Supplies and Tools Phillips screwdriver set 5 2 Alaris Tri Site Thermometer Models 228XXX Technical Service Manual CORRECTIVE MAINTENANCE 5 2 DISASSEMBLY REASSEMBLY Continued 5 2 1 Opening the Case 1 Remove probe cover box 2 Disconnect probes and remove from thermometer 3 Remove battery cover squeeze on one side then the other to unlock battery cover from case Figure 5 1 Figure 5 1 Opening the Case Battery cover squeeze both sides to remove Remove batteries Remove battery jumper Remove the 2 screws at the top rear of the case and 1 screw at battery compartment Separate front and back case The circuit board is attached to the f
28. re to perform regular and preventive 3 1 INTRODUCTION maintenance inspections may result in Perform regular and preventive improper thermometer operation maintenance inspections to ensure that the thermometer remains in good operating condition Perform regular inspections for damage and cleanliness before each use as described in the Alaris Tri Site thermometer DFU Perform preventive maintenance inspections annually These requirements and guidelines are intended to complement the intent of Joint Commission on Accreditation of Healthcare Organizations JCAHO requirements Electrical safety tests are not required for battery powered devices 3 2 PREVENTIVE MAINTENANCE Qualified service personnel must perform these periodic maintenance procedures annually Visual inspection section 3 2 1 e Startup check section 3 2 2 Pulse timer check section 3 2 3 Calibration check section 3 2 4 Probe simulator calibration if applicable section 3 2 5 Cardinal Health offers service agreements for performing required periodic inspections 3 2 1 Visual Inspection Check the case display and probes for damage and cleanliness Section 3 3 describes how to clean the thermometer Alaris Tri Site Thermometer 3 1 Models 228XXX Technical Service Manual PREVENTIVE MAINTENANCE 3 2 2 Startup Check The Startup Check includes a power on test functional test backlight test and display te
29. ront case Remove battery contacts to access battery compartment screw Compress battery contact when separating front and back case Alaris Tri Site Thermometer 5 3 Models 228XXX Technical Service Manual CORRECTIVE MAINTENANCE 5 2 DISASSEMBLY REASSEMBLY Continued 5 2 2 Anti Theft Timer Configuration With the case open and circuit board accessible install jumpers to configure the Anti Theft Timer Figure 5 2 Figure 5 2 Anti Theft Jumper Configuration ara 2 090000000000 2 as 00000000 o cee ial p o 10 E lo o LL NE
30. s Tri Site Thermometer 6 1 Models 228XXX Technical Service Manual TROUBLESHOOTING Table 6 1 Technical Troubleshooting Guide Follow the steps in the order they are listed until the problem fault is corrected Thermometer inoperative Improperly installed depleted or Check battery orientation no apparent power missing batteries Faulty battery Repair or clean battery contacts contacts Short circuit on circuit Replace batteries board Ne Replace circuit board Thermometer inoperative Improper CPU reset Remove and replace batteries E present on circuit Replace circuit board oard Thermometer Intermittent battery contact 1 Verify correct battery installation unexpectedly resets 2 Repair or clean battery contacts Short battery life Excessive backlight usage 1 Verify that thermometer is not Short in battery holder stored in an active or alarm state Thermometer operating during 2 Repair or clean battery contacts storage 3 Perform Startup Check Backlight Test see Preventive Maintenance Chapter 3 4 Remove batteries when storing thermometer for extended periods Error message appears Thermometer error detected See Table 6 2 Low Battery Replace Faulty reference voltage or CPU Replace circuit board Battery symbol message but batteries are good Thermometer does not Faulty CPU or circuit board Verify CPU and circuit board respond connections connections Replace circuit bo
31. s and briefly hold Pulse Timer button to exit test and turn thermometer off 3 2 3 Pulse Timer Check A Press and hold Pulse Timer button for one second Verify that a short beep sounds and the 12 segment timer symbol appears Verify that one segment disappears every five seconds Verify that thermometer beeps once at 15 seconds twice at 30 seconds three times at 60 seconds Press Pulse Timer button to stop timer operation at any time verify that thermometer beeps three times and timer symbol turns off 3 2 Alaris Tri Site Thermometer Models 228XXX Technical Service Manual PREVENTIVE MAINTENANCE 3 2 4 Calibration and Probe Detection Check The calibration check verifies that the microprocessor can correctly measure and convert circuit resistance to a temperature value The probe detection check verifies that the thermometer can detect that the correct probe is in the correct jack Perform the calibration check using a probe simulator resistance decade box or circulating water bath Perform the probe detection check using a probe simulator or resistance decade box 5 Set probe simulator to the values listed in Table 3 1 then verify displayed temperatures 6 Set probe simulator to BP then press BROKEN PROBE button Verify that error message 67 appears 7 Disconnect probe simulator cable Again verify that thermometer is silent and display is blank Set thermometer to Rectal Conti
32. s measurement changed mode indicator signal the change method the thermometer s microcomputer meo d continuous convene data from the probe directly to a method if the final predicted temperature is m below 35 C 95 F or above 41 C 106 F temperature and displays it in the selected er temperature scale celsius or fahrenheit or if it cannot complete the temperature prediction within 22 seconds oral rectal A continuous temperature reading generally temperatures or 30 seconds axillary takes 3 5 minutes to stabilize and the temperatures displayed temperature reflects the current measurement as long as the probe is not in on p a a its probe well This method is used for k eile dstablished an denans continuous temperature measurements that EA ane p last hour orhan h the tissue contact indicator When probe thermometer cannot calculate a temperature emperature above using the Fast method target the heater shuts off Once the heater shuts off the thermometer 4 4 FAST MEASUREMENT METHOD computes an estimate of the steady state During the Fast predictive measurement temperature by sampling temperature every method the thermometer applies power to a 100 milliseconds and comparing it to a heating element in the probe tip to allow the theoretical curve This technique allows the probe to reach a predefined target Fast method to estimate a temperature temperature that is
33. st Power On Test 1 Install batteries into thermometer 2 Verify that the screen displays all segments then beeps and displays the Return to Base symbol or message Return thermometer to home base 4 Verify that beeping stops and display is blank Functional Test 1 Insert an oral probe into the blue well Insert the connector into jack 2 Remove probe from storage well Verify that the instrument beeps once and that all segments except the Pulse Timer clock momentarily turn on 4 When this sequence is complete 1 to 2 seconds verify that the instrument displays the Fast Oral Mode symbol or message 5 Verify that no alarms occur for 10 seconds then return probe to well 6 Verify that thermometer beeps once and display is blank 7 Verify that no alarms occur for 30 seconds thermometer automatically tests heater interlock circuits 8 If applicable repeat procedure for rectal probe insert into red well and connect to jack 1 Backlight Test 1 Use black tape to cover hole above LCD 2 Press and release Pulse Timer button then verify that backlight is on 3 Press and release Pulse Timer button again then verify that backlight is off 4 Remove black tape Display Test 1 Press and hold Pulse Timer button for 15 seconds until the LCD displays the software revision 2 Release Pulse Timer button Display test begins within 2 seconds verify that each segment flashes 3 Pres
34. tes a signal that activates the speaker 4 5 6 Anti Theft Feature The thermometer is designed to alarm and stop operating if it is not returned to its home base within the required time frame The factory default setting for the anti theft timer interval is 8 hours However the timer can also be configured for 1 hour or timer off refer to Anti Theft Timer Configuration in Chapter 5 Corrective Maintenance Removing the batteries does not reset the anti theft timer A magnet embedded in the home base closes a switch in the thermometer Removing the thermometer from home base opens the magnetic switch and starts a countdown timer Returning the thermometer to its home base closes the switch and resets the timer For the default configuration of 8 hours the microcomputer activates the return to home base indicator when about 1 hour of the anti theft interval remains that is after about seven hours have elapsed If the timer is configured for 1 hour the return to home base indicator appears when 10 minutes of the interval remains If the thermometer is not returned to home base before the interval expires the anti theft alarm activates and temperature measurement is disabled until the thermometer is returned to base Returning the thermometer to home base cancels the alarm and resets the timer Alaris Tri Site Thermometer 4 5 Models 228XXX Technical Service Manual PRINCIPLES OF OPERATION THIS PAGE INTENTIONAL
35. y the that the thermometer beeps and all LCD elements flash This confirms that the thermometer has passed its self test and is operating correctly The thermometer continually performs a self test during operation and alarms and displays a message if it detects an internal malfunction Alaris Tri Site Thermometer 2 1 Models 228XXX Technical Service Manual CHECKOUT AND CONFIGURATION 2 3 2 3 1 CHANGING FACTORY DEFAULT SETTINGS Mode and Scale The thermometer factory default settings for mode and temperature scale are Fast Oral mode Fahrenheit F temperature scale To change the default settings 1 Press Pulse Timer button for 15 seconds until LCD display test begins To change default settings Press the Mode button until the screen displays the desired mode Press the Recall Temperature Scale button until the screen displays the desired temperature scale Press Pulse Timer button or remove probe from well to save the new default settings 2 3 2 Anti Theft Timer Interval Refer to Anti Theft Timer Configuration in Chapter 5 Corrective Maintenance Thermometer settings revert to default values following battery replacement Qualified hospital facility personnel must ensure that hospital approved default settings are selected 2 2 Alaris Tri Site Thermometer Models 228XXX Technical Service Manual 3 PREVENTIVE MAINTENANCE Chapter 3 PREVENTIVE MAINTENANCE A Failu
Download Pdf Manuals
Related Search