Check Cooling Fan; Sensor Housing Temperature Sensor Temperature To Resistance Curve - GE Giraffe OmniBed Service Manual

Chapter 4: Troubleshooting

4.7.3.3 Check Cooling Fan

The cooling fan is mounted to the sensor housing door on the chassis cover. Power up unit in service mode.
Select Servo O2 on second page. The cooling fan should be running.
If fan is not running verify 10.0 - 13.2 Volts at J86-1 to J86-2. If voltage is present the fan is defective. If voltage
is not present the Servo O2 board is defective. Open VC, you should hear a click and the cooling fan should
stop. If the fan does not stop the Servo O2 board is defective.

4.7.3.4 Sensor Housing Temperature Sensor Temperature to Resistance Curve

Temperature
15C
25C
30C
35C
40C
45C
50C
60C
70
Resistance
15.720 kohm
10.000 kohm
8.056 kohm
6.530 kohm
5.326 kohm
4.369 kohm
3.604 kohm
2.491 kohm
6600-0343-000 104
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