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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 Resistance

15C 15.720 kohm

25C 10.000 kohm

30C 8.056 kohm

35C 6.530 kohm

40C 5.326 kohm

45C 4.369 kohm

50C 3.604 kohm

60C 2.491 kohm

Chapter 4: Troubleshooting

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GE Giraffe OmniBed Specifications

General

Temperature Control	Yes
Humidity Control	Yes
Servo Humidity Control	Yes
Oxygen Delivery	Yes
Scale	Integrated
Trendelenburg/Reverse Trendelenburg	±12°
Rotating Mattress	No
X-ray Compatibility	Yes
Mobility	Yes, with casters
Category	Incubator
Humidity Range	30% to 95%
Oxygen Hood	Yes
Access Ports	Multiple
Modes	Air Mode, Skin Mode
Power Requirements	100-240V AC, 50/60 Hz