GE Giraffe Service Manual

Alarm Message Meaning Cause Action
Oxygen Probe
Failure
One of the sensors
is reading out
of range (23-
280 millivolts) or
the dierence
between the two
O2 sensors is
above 3%.
Defective Sensor(s)
In service mode sensor0 and sensor1 should
be 23-280. If outside this range replace the
sensors. If in range ensure oxygen0 and
oxygen1 read within 3% of each other or
replace the sensors.
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.
Defective cable or
connection.
Measure the voltage at J85.8-J85.7 (sensor0)
and J85.6-J85.7 (sensor1) and compare them
to displayed sensor0 and sensor1. If the
measurement is the same as the displayed,
check the cable and sensor contacts.
Defective Servo O2
board.
If the measurement is not the same as the
displayed, replace the Servo O2 board.
O2 Cal Lost-No
O2
Servo oxygen
unit has never
been calibrated.
Unit will not
operate until initial
calibration is
performed.
Perform oxygen
calibration.
Run calibration.
Cell voltage less
than 33 mV.
Earlier software
versions did not store
voltages this low.
Replace display software with 1.62 or higher.
60 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