GE Giraffe Service Manual

Alarm Message Meaning Cause Action
Oxygen System
Failure 5
Check O2 Supply
alarm has been
silenced twice
and the sensor1
reading is still not
greater than 23%.
O2 supply is not
connected.
Verify O2 supply, minimum 45 psi (310 kPa)
and 45 L/min is connected to the inlet.
Calibration valve stuck
in calibration position.
Check the calibration valve, Refer to the Tips
section 4.7.3.2.
Supply valves not
opening.
Check supply valves. Refer to the Tips section
4.7.3.1.
Leak or occlusion in
sensor housing area.
Be sure sensor housing is seated properly
and the retaining screws are tight. Be
sure sensor gaskets are in place and the
tubing is seated correctly in the connectors.
Check to be sure that the two vents in the
infant compartment under the bed are not
occluded.
Oxygen System
Failure 6
The Girae control
board cannot
communicate with
Servo O2 board.
Defective Servo O2
board.
Replace servo O2 board.
Defective Cable.
Check that the cable between the Girae
control board and the Servo O2 board is
seated properly.
Oxygen System
Failure 7
Power up test
detected a
problem with the
watchdog circuit.
Defective Servo O2
board.
Replace Servo O2 board.
Calibration
failed
In calibration
mode, after 5
minutes, both
sensors are
not reading
between 23 and
55 millivolts so
the unit cannot
calibrate.
Calibration valve is
not opening or the
calibration fan is not
turning on.
Check the calibration valve and fan. Refer to
the Tips section 4.7.3.2.
Defective sensors. Replace the sensors.
FiO2>26%
Elevated O2 levels
but Servo O2 is
not turned on.
If other sources of
oxygen are not in
use, leak in Servo O2
system.
Check for valve leak. Refer to the Tips section
4.7.3.
SENSITIVE TO ELECTROSTATIC DISCHARGE CAUTION
An Electrostatic Discharge (ESD) Susceptibility symbol is displayed to alert service personnel that the
part(s) are sensitive to electrostatic discharge and that static control procedures must be used to
prevent damage to the equipment.
62 6600-0356-000 103 © 2001 by Datex-Ohmeda, Inc.. All rights reserved.
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