GE Giraffe Service Manual

4.4.25 System Failure 30
System failure 30 indicates: Mains voltage reading LV1 is outside of the expected range.
Cause(s) Action(s)
Mains Voltage Comp Circuit is not calibrated
correctly.
Calibrate the line voltage.
High or low mains voltage. This failure is triggered
if the mains voltage is outside the following
ranges:
• 100V: 80-115V
• 115V: 95-132V
• 230V: 195-270V
Connect to proper mains voltage source
Defective 50 pin ribbon cable between the relay
and control board.
Check for continuity on pin 48 and 49 (LineComp1,2) If
defective replace cable.
Defective relay board.
Measure the voltages at the relay board:
• J37 pin 48-45 and J37 pin 49-45.
• If mains voltage 100/115 = 3-5 volts, dierence
within 0.4 volts.
• If mains voltage 230 = 7-10 volts, dierence within
0.8.
• If not, replace the relay board.
Defective control board. If the voltages are OK, replace the control board.
4.4.26 System Failure 33
System failure 33 indicates: Defective RH Solid State Relay.
Cause(s) Action(s)
Defective RH Solid State Relay. Replace relay board
4.4.27 System Failure 34
System failure 34 indicates: Software revision level does not match.
Cause(s) Action(s)
The software revision of the control board and the
display board are not compatible
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.
© 2001 by Datex-Ohmeda, Inc.. All rights reserved. 6600-0356-000 103 47
Chapter 4: Troubleshooting

GE Giraffe Specifications

General

Manufacturer	GE Healthcare
Type	Incubator
Humidity Range	30% to 95% RH
Power Supply	50/60 Hz
Model	Giraffe
Features	integrated scale
Control Modes	Air and Skin