System Failure 33; System Failure 34; System Failure 35; System Failure 36 - GE Giraffe OmniBed Service Manual

Chapter 4: Troubleshooting
Cause(s)
Defective relay board.
Defective control board.

4.4.27 System Failure 33

System failure 33 indicates: Defective RH Solid State Relay.
Cause(s)
Defective RH Solid State Relay.

4.4.28 System Failure 34

System failure 34 indicates: Software revision level does not match.
Cause(s)
The software revision of the control board and the
display board are not compatible

4.4.29 System Failure 35

System failure 35 indicates: Wrong dipswitch set up.
Cause(s)
Switches set wrong
Defective control board. Replace control board.

4.4.30 System Failure 36

System failure 36 indicates: LV1 differs from LV2 by >10% of LV2.
Cause(s)
Mains Voltage Comp Circuit is not calibrated correctly.
Defective 50 pin ribbon cable between the relay and
control board.
52
Action(s)
Check the 8 position dipswitch on the control board. Verify that Switch 1 and Switch 2 are on.
6600-0343-000 104
Action(s)
Measure the voltages at the relay board:
• J37 pin 48-45 and J37 pin 49-45.
• If mains voltage 100/115 = 3-5 volts, difference
within 0.4 volts.
• If mains voltage 230 = 7-10 volts, difference within
0.8.
• If not, replace the relay board.
If the voltages are OK replace the control board.
Action(s)
Replace relay board
Action(s)
This error may occur after replacing the control/display board.
Be sure to install the software provided in the control/display
board. Replace the System Software.
Action(s)
Calibrate the line voltage.
Check for continuity on pin 48 and 49 (LineComp1,2) If
defective replace cable.
© 2001 by Datex-Ohmeda, Inc.. All rights reserved.