Service Manual TOC-3
4.2.2 PC Command Line Interface Main Menu..................................................................................4-14
4.2.3 PC Command Line Interface Sub-Menus..................................................................................4-15
4.2.4 Engineering Log Dump......................................................................................................................4-18
4.3 Troubleshooting Information.....................................................................................................................4-21
4.4 Troubleshooting Tables................................................................................................................................4-22
4.4.1 Lighting – Procedure Light...............................................................................................................4-22
4.4.2 Lighting – Observation Lights ........................................................................................................4-24
4.4.3 Display – LCD and Backlights.........................................................................................................4-27
4.4.4 User Interface – Touch Panel.........................................................................................................4-29
4.4.5 System Failure – Sys Fail Message ..............................................................................................4-29
4.4.6 Alarms/Indicators................................................................................................................................4-35
4.4.7 Electronics – Patient Temperature Probe.................................................................................4-37
4.4.8 Electronics – Scale (Bedded Models Only)................................................................................4-38
4.4.9 Electronics – SpO2...............................................................................................................................4-39
4.4.10 Electronics – Elevating Base (Bedded Models Only)..........................................................4-40
4.4.11 Electronics – Heat Control.............................................................................................................4-42
4.4.12 Electronics – Power Failure...........................................................................................................4-42
4.4.13 Mechanical (Bedded Models Only) ............................................................................................4-43
4.5 Troubleshooting Definitions and Acronyms.......................................................................................4-44
Chapter 5: Repair Procedures ....................................................................................5-1
5.1 Common Hand Tools........................................................................................................................................5-1
5.2 Heater Head Removal from Wall Bracket (Wall Mount Only)........................................................5-2
5.3 Heater Housing Repairs..................................................................................................................................5-2
5.3.1 Upper Heater Housing Removal......................................................................................................5-2
5.3.2 Heat Engine Assembly Removal (Figure 5-1 and Figure 5-5).............................................5-3
5.3.3 Heater Alignment Procedure.............................................................................................................5-5
5.3.4 Power Supply Replacement (Figure 5-1)......................................................................................5-8
5.3.5 Alarm Light Board Replacement (Figure 5-6 and Figure 5-8) ............................................5-8
5.3.6 Replacing an Observation Light Bulb............................................................................................5-9
5.3.7 Replacing the Procedure Light Bulb............................................................................................5-10
5.4 Electronic Enclosure Repairs ....................................................................................................................5-10
5.4.1 Power Board (Figure 5-6 and Figure 5-7)..................................................................................5-10
5.4.2 Control Board (Figure 5-6 and Figure 5-7
) ..............................................................................5-11
5.4.3 Lithium-Ion Battery Replacement (Figure 5-6 and Figure 5-7)......................................5-11
5.4.4 Touch Panel or LCD Assembly (Figure 5-7 and Figure 5-8).............................................5-12
5.4.5 Observation Light Dimmer Control (Figure 5-8)....................................................................5-13
5.4.6 Standby Switch Replacement (Figure 5-8)..............................................................................5-13
5.4.7 Outlet Panel Repairs (Figure 5-9) ..................................................................................................5-14
5.4.8 F7 and F8 Fuse Replacement Instructions...............................................................................5-15
5.4.9 Maneuvering Handle..........................................................................................................................5-15
5.5 Probe Panel Housing Repairs....................................................................................................................5-16
5.5.1 Probe Panel Housing Disassembly (Figure 5-10 and Figure 5-11)................................5-16
5.5.2 SpO2 Interface Board Replacement (Figure 5-10 and Figure 5-11).............................5-16
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