GE Giraffe OmniBed Service Manual

4.4.20 System Failure 23
System failure 23 indicates: During operation the system was unable to turn OFF either the radiant heater or
the incubator heater.
Cause(s) Action(s)
Other errors.
Power down the unit. During the system tests after power-up the unit should detect system
failure 16. Follow the instructions in this manual for this failure.
Defective relay board. If system failure 23 persists without system failure 16, replace the relay board.
4.4.21 System Failure 25
System failure 25 indicates: Fan rotation is not being detected.
NOTE: System failure 25 and FAN FAILURE are both triggered by the optical fan sensor not detecting the fan.
If this occurs at power-up a system failure 25 will activate. If it occurs after the power tests are completed the
FAN FAILURE alarm will activate.
Circumstance(s) Cause(s) Action(s)
Fan is not turning
Fan not connected. Check jack.
Fan or fan hub not
seated properly.
Verify the fan hub is properly seated all the way down on the fan
shaft and is seated in the groove at the top of the hub.
Defective relay board. Replace relay board.
Defective fan motor. Replace fan motor.
Fan is turning
Fan is turning too slow.
Check fan speed in service mode, should be about 1500 RPM in high
fan speed. Note that this RPM measurement is only tested during the
power up tests.
Old design fan.
Replace with new design fan. The new fan can be identied by the
grooves molded in the 2 black areas on the bottom of the fan (side
facing the heat sink). The old fan has smooth surfaced black areas.
Defective or obstructed
optical sensor. Sensor
holder or sensor gasket
dirty or crazed.
Check that sensor, sensor holder, and gasket and free of dirt or other
contaminants. Clean or replace.
Defective 50 pin
ribbon cable between
the relay and control
board.
Check for continuity on pin 9 (AIRFLOW). If defective replace cable.
Defective relay board. Replace relay board.
4.4.22 System Failure 26
System failure 26 indicates: During the power up tests, the system was unable to turn o safety relay 1.
Cause(s) Action(s)
Defective relay board. Replace the relay board.
50 6600-0343-000 104 © 2001 by Datex-Ohmeda, Inc.. All rights reserved.
Chapter 4: Troubleshooting

GE Giraffe OmniBed Specifications

General

Brand	GE
Model	Giraffe OmniBed
Category	Medical Equipment
Language	English