GE Giraffe Service Manual page 4

Table of Contents
2.5 Scale Check .................................................................................................................................................................. 14
2.6 Other Accessory Checks......................................................................................................................................... 15
2.7 Cable Connections and Mechanical Controls .............................................................................................. 16
Chapter 3: Calibration and Maintenance ........................................................................ 19
3.1 Service Maintenance Schedule ........................................................................................................................... 19
3.2 Special Tools ................................................................................................................................................................ 21
3.3 System Calibration .................................................................................................................................................... 21
3.4 Line Voltage Calibration ......................................................................................................................................... 22
3.5 Humidifier Calibration ............................................................................................................................................. 22
3.6 Servo Controlled Oxygen Calibration ............................................................................................................... 23
3.7 Scale Calibration ........................................................................................................................................................ 24
3.8 Leakage Current ........................................................................................................................................................ 25
3.9 Ground Resistance Check...................................................................................................................................... 25
Chapter 4: Troubleshooting ............................................................................................... 27
4.1 Startup Sequence ...................................................................................................................................................... 27
4.2 Service Screen............................................................................................................................................................. 28
4.3 Alarm Messages ......................................................................................................................................................... 32
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2.4.2 Pre-use Checkout ........................................................................................................................................ 12
2.4.3 Supply Valve Leak Test ............................................................................................................................. 13
2.5.1 Mechanical Check ....................................................................................................................................... 14
2.5.2 Weight Checks .............................................................................................................................................. 14
2.5.2.1 Center Weight Check .................................................................................................................... 14
2.5.2.2 Off Center Weight Check ............................................................................................................. 15
4.3.1 "Air Probe Failure" Alarm .......................................................................................................................... 32
4.3.2 "Air Temp >38C" or "Air Temp >40C" Alarm ..................................................................................... 32
4.3.3 "Baby Hot" or "Baby Cold" Alarm ......................................................................................................... 33
4.3.4 "Baby Mode Disabled" Alarm ................................................................................................................. 33
4.3.5 "Baby Probe 1 (or 2) Failure" Alarm ..................................................................................................... 33
4.3.6 "Bad Membrane Switch" Alarm ............................................................................................................ 33
4.3.7 "Bed Heater Failure" Alarm ..................................................................................................................... 34
4.3.8 "Bed Up/Down Pedal Failure" Alarm .................................................................................................. 34
4.3.9 "Bed Up/Down Pedal Switches Disabled" Alarm .......................................................................... 35
4.3.10 "Down Pedal Pressed" Alarm .............................................................................................................. 35
4.3.11 "Fan Always in High Speed" Alarm ................................................................................................... 35
4.3.12 "Fan Failure" Alarm .................................................................................................................................. 35
4.3.13 "Humidifier Failure" Alarm .................................................................................................................... 36
4.3.14 "Motor Drive Failure" Alarm ................................................................................................................. 37
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