Controller Checks - GE Giraffe Service Manual

Chapter 2: Service Checkout
9. If the unit is equipped with an iris porthole, check the iris is installed and in good condition. Check that the
iris tightens when it is rotated.
10. Check that the tubing access covers in the four bed corners and the large slot grommet at the head of the
bed are in place and are in good condition.
11. Check the operation of the bed. The bed should rotate easily without binding. If the bed is properly seated
and locked in place, the mattress should be level. With the bed rotated back into the straight position,
check to see that the bed platform extends and stops when it is pulled out on either side. Check the
operation of the bed tilt mechanism. Squeeze the tilt control and push down on the foot of the bed. The
head of the bed should raise easily, and should stay in position at any angle along its tilt path when the tilt
control is released. Push down on the head of the bed. The foot of the bed should raise easily, and should
stay in position at any angle along its tilt path when you the tilt control is released.
12. Check the operation of the hood lock. Release the lock and raise the hood. Make sure it locks in the open
position. Release the lock and lower the hood. Make sure it locks in the closed position.

2.2 Controller Checks

Warning:
Do not use the Incubator in the presence of flammable anesthetics: an explosion hazard exists
under these conditions.
1. Connect the incubator power cord to a properly rated outlet.
2. Connect the patient probe to jack 1 on the probe panel.
3. Switch on the power at the mains switch on the back of the unit, and at the standby switch on the probe
panel, while holding in the override button (>37) on the display during power up until the software revision
screen appears. Release the button and the first service screen will appear.
4. Scroll to "Down" and select it to bring up the second service screen. Select Status to see Status screen.
Check status of the software self tests. These include: heater on (INCHTRON), heater off (IHTROFF),
humidifier heater on (RHHTR), remote monitoring data stream (RS232LOOP), incubator fan on (FANON), and
incubator fan off (FANOFF). All test should say PASS except RS232 LOOP. If the RS232 option is not installed
RS232LOOP will display N/A. To test the circuit if the option is installed, short pins 2 and 3 on the 9 pin
connector on the back of the electrical enclosure.
5. Using the standby switch turn off the unit, then turn it back on. Verify the following:
• All the displays and indicators light
• The software revision appears
• The prompt tone begins
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© 2001 by Datex-Ohmeda, Inc.. All rights reserved.