Alaris CardinalHealth 228 Series Technical & Service Manual

Tri-site thermometer

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Technical Service Manual

Alaris

Tri-Site Thermometer

Models

228XXX

May 2006

Alaris

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Summary of Contents for Alaris CardinalHealth 228 Series

Page 1 Technical Service Manual Alaris ® Tri-Site Thermometer Models 228XXX May 2006 Alaris ® Products...
Page 2 General Contact Information Cardinal Health Cardinal Health Alaris ® Products The Crescent, Jays Close Basingstoke, Hampshire, RG22 4BS, 10221 Wateridge Circle San Diego, California United Kingdom 92121 http://www.cardinalhealth.co.uk/alaris http://www.cardinal.com/alaris Customer Advocacy Clinical and technical feedback. North America: Phone: 800.854.7128, Ext. 7812 E-Mail: CustomerFeedback@cardinal.com...
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Page 6 TABLE OF CONTENTS T H I S PA G E I N T E N T I O N A L LY L E F T B L A N K Alaris ® Tri-Site Thermometer Models 228XXX Technical Service Manual...
Page 9 (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.
Page 10 GENERAL INFORMATION 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...
Page 11 GENERAL INFORMATION 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 ®...
Page 12 GENERAL INFORMATION T H I S PA G E I N T E N T I O N A L LY L E F T B L A N K Alaris ® Tri-Site Thermometer Models 228XXX Technical Service Manual...
Page 15 Chapter 2 — CHECKOUT AND CONFIGURATION INTRODUCTION This chapter describes initial setup and Remove the thermometer from use configuration for the Alaris ® Tri-Site immediately if it is dropped or severely thermometer. Due to product changes over jarred. Qualified service personnel must...
Page 16 3. 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). Alaris ® Tri-Site Thermometer Models 228XXX Technical Service Manual...
Page 19 • Perform regular inspections for damage and cleanliness before each use as described in the Alaris ® Tri-Site thermometer DFU. • Perform preventive maintenance inspections annually.
Page 20 8. If applicable, repeat procedure for rectal operation at any time: verify that probe (insert into red well and connect to thermometer beeps three times and jack #1). timer symbol turns off. Alaris ® Tri-Site Thermometer Models 228XXX Technical Service Manual...
Page 21 4. Set probe simulator to ORAL, and verify 102.0 102.0 ± 0.2 F or 38.9 ± 0.1 that thermometer displays Oral Continuous/Monitor Mode symbol or 107.8 107.8 ± 0.2 F or 42.1 ± 0.1 message. Alaris ® Tri-Site Thermometer Models 228XXX Technical Service Manual...
Page 22 #2 (blue side), and verify that message 68 appears. thermometer beeps and displays Oral Monitor/Continuous Mode message or icon. 4. Set resistance decade box to the values listed in Table 3-2, then verify displayed temperatures. Alaris ® Tri-Site Thermometer Models 228XXX Technical Service Manual...
Page 23 Qualified service personnel must clean within ±0.2 F (±0.1 C ) of actual water thermometer buttons as required. Refer to temperature. the Alaris ® Tri-Site thermometer DFU for all other cleaning instructions. 3.2.5 Probe Simulator Calibration Verification 3.3.1 Cleaning Thermometer Buttons...
Page 24 PREVENTIVE MAINTENANCE T H I S PA G E I N T E N T I O N A L LY L E F T B L A N K Alaris ® Tri-Site Thermometer Models 228XXX Technical Service Manual...
Page 27 Chapter 4 — PRINCIPLES OF OPERATION INTRODUCTION This chapter describes the principles of operation for the Alaris ® Tri-Site thermometer and its major subsystems. OPERATION OVERVIEW The Alaris ® Tri-Site thermometer uses a thermistor in the tip of the probe to sense temperature.
Page 28 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. Alaris ® Tri-Site Thermometer Models 228XXX Technical Service Manual...
Page 29 PRINCIPLES OF OPERATION 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 32.768kHz 5.00MHz...
Page 30 3.5 V. If battery voltage drops to 3.1 V, temperature measurement stops and the microcomputer activates the replace battery indicator. Alaris ® Tri-Site Thermometer Models 228XXX Technical Service Manual...
Page 31 Returning the thermometer to home base cancels the alarm and resets the timer. Alaris ® Tri-Site Thermometer Models 228XXX Technical Service Manual...
Page 32 PRINCIPLES OF OPERATION T H I S PA G E I N T E N T I O N A L LY L E F T B L A N K Alaris ® Tri-Site Thermometer Models 228XXX Technical Service Manual...
Page 35 This chapter describes how to configure, during repair if the repair activity is not disassemble, and reassemble the performed in an electrostatic discharge Alaris ® Tri-Site thermometer . (ESD) protected environment using The components on the circuit board are not approved ESD protective procedures, field repairable.
Page 36 Before adhering gaskets and labels to the instrument, clean the surface with a cotton swab or soft cloth lightly dampened with isopropyl alcohol. Table 5-1. Required Materials, Supplies and Tools • Phillips screwdriver set Alaris ® Tri-Site Thermometer Models 228XXX Technical Service Manual...
Page 37 Figure 5-1. Opening the Case Battery cover: squeeze both sides to remove Remove battery contacts to access battery compartment screw Compress battery contact when separating front and back case Alaris ® Tri-Site Thermometer Models 228XXX Technical Service Manual...
Page 38 X = jumper installed Top Side Shown Anti-theft interval: 1 hour Anti-theft interval: 8 hours Anti-theft alarm disabled Alarm audio: 3 beeps Jumper E5 Alarm audio: continuous Jumper E1 Jumper E2 Alaris ® Tri-Site Thermometer Models 228XXX Technical Service Manual...
Page 39 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 Alaris ® Tri-Site Thermometer Models 228XXX Technical Service Manual...
Page 40 2. Use a 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 Alaris ® Tri-Site Thermometer Models 228XXX Technical Service Manual...
Page 41 CORRECTIVE MAINTENANCE DISASSEMBLY/REASSEMBLY (Continued) Table 5-2. Level of Testing Guidelines Service Procedure Battery Replacement Circuit Board Replacement Front/Rear Case Replacement Probe Replacement Preventive Maintenance X Thermometer Dropped X Alaris ® Tri-Site Thermometer Models 228XXX Technical Service Manual...
Page 42 CORRECTIVE MAINTENANCE T H I S PA G E I N T E N T I O N A L LY L E F T B L A N K Alaris ® Tri-Site Thermometer Models 228XXX Technical Service Manual...
Page 45 Because circuit board components are not field serviceable, this manual does not This chapter describes possible technical include schematics. problems and operating errors that may occur while using the Alaris ® Tri-Site thermometer. Refer to this chapter before attempting to service the thermometer.
Page 46 1. Verify CPU and circuit board respond. connections. connections. 2. Replace circuit board. Missing or faint display Faulty LCD or circuit board 1. Verify CPU and circuit board segments. connections. connections. 2. Replace circuit board. Alaris ® Tri-Site Thermometer Models 228XXX Technical Service Manual...
Page 47 2. Return thermometer to home base. probe not returned to well within 5 3. Clear any alarms. minutes of temperature 4. Replace front case assembly. measurement, or defective Pulse 5. Replace circuit board. Timer button. Alaris ® Tri-Site Thermometer Models 228XXX Technical Service Manual...
Page 48 6. Replace circuit board. Calibration check failure. Defective probe simulator or 1. Verify that probe connection and thermometer. jack are clean. 2. Replace probe. 3. Replace probe simulator, if used. 4. Replace circuit board. Alaris ® Tri-Site Thermometer Models 228XXX Technical Service Manual...
Page 49 RAM test failure. Replace circuit board. ROM CRC failure. Replace circuit board. Heater interlock fault or defective probe. Replace probe. If problem persists, replace circuit board. Internal fault. Replace circuit board. Alaris ® Tri-Site Thermometer Models 228XXX Technical Service Manual...
Page 50 TROUBLESHOOTING T H I S PA G E I N T E N T I O N A L LY L E F T B L A N K Alaris ® Tri-Site Thermometer Models 228XXX Technical Service Manual...
Page 53 Chapter 7 — ILLUSTRATED PARTS BREAKDOWN 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.
Page 54 Pad, Mounting, Foam/Dbl Adh (P/N 127842) Cover, Battery, 2X8X Screw, TPB, 8 x 3/4 PNH PHH Screw, Anchor, 8-10 x 7/8 Battery, Alkaline, Size AA (P/N 303590) Label Sublingual Pocket, Model 2117/2118 Oral Probe Placement International Alaris ® Tri-Site Thermometer Models 228XXX Technical Service Manual...
Page 55 Table 7-1. Parts List (Continued) Item Description Label, Home Base Portable 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)
Page 56 ILLUSTRATED PARTS BREAKDOWN Figure 7-1. Label Placement Side Home Base Inside Battery Cover Back Alaris ® Tri-Site Thermometer Models 228XXX Technical Service Manual...
Page 57 ILLUSTRATED PARTS BREAKDOWN Figure 7-2. Front/Rear Case, Battery Compartment (x2) Battery Compartment Battery Compartment Alaris ® Tri-Site Thermometer Models 228XXX Technical Service Manual...
Page 58 ILLUSTRATED PARTS BREAKDOWN Figure 7-3. Circuit Board Assembly Alaris ® Tri-Site Thermometer Models 228XXX Technical Service Manual...
Page 59 ILLUSTRATED PARTS BREAKDOWN Figure 7-4. Accessories Probe Simulator Alaris ® Tri-Site Thermometer Models 228XXX Technical Service Manual...
Page 60 ILLUSTRATED PARTS BREAKDOWN T H I S PA G E I N T E N T I O N A L LY L E F T B L A N K Alaris ® Tri-Site Thermometer Models 228XXX Technical Service Manual...
Page 62 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.

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