GE Giraffe OmniBed Carestation CS1 Service Manual

Chapter 5: Troubleshooting
Servo Controlled Oxygen
Service Manual 5-17
5.4.2 Components Control
To open and close oxygen-related items on the Servo O2 information screen:
1. In service Mode, touch Calibration in the left-navigation area.
The display area is populated with calibration options.
2. Touch Servo O2.
The Servo O2 information screen appears.
3. Touch V1 to open or close supply valve one in the valve housing located beneath the electrical
enclosure.
4. Touch V2 to open or close supply valve two in the valve housing located beneath the electrical
enclosure.
5. Touch VC to open or close calibration valve in the sensor housing located beneath the bed. Open is
calibration position and closed is the normal operation position. The calibration fan is on and the
cooling fan is off when VC is open.
Note: The cooling fan is on whenever the Servo Controlled Oxygen service screen is selected and VC is
closed.
6. Touch K1 to open or close the relay on Relay PCB that powers the valves.
5.4.3 Servo Controlled Oxygen Alarm Messages
Alarm Message Meaning Cause Action
Low Oxygen Sensor1 reading
is >3% below the
oxygen set point
7 minutes after a
set point change
or the canopy
was closed.
Low O2 supply pressure
or flow
Inlet screen occluded
Be sure supply is greater than
45 psi (310 kPa) and flow rate is
greater than 45 L/min. If flow rate
is <45 check that the inlet screen in
the regulator is not occluded.
Clean or replace screen.
Air leaks into patient
compartment.
Be sure all panels and portholes
are closed.
Supply Valve not
opening
Check supply valves. Refer to the
Tips section (5.4.4).
End cap safety valve not
opening
Check valve and spring assembly.
Refer to the Tips section (5.4.4).
Calibration valve not
closing
Check the calibration valve. Refer
to the Tips section (5.4.4).
Patient compartment
vents occluded
Check to be sure that the two vents
in the patient compartment under
the bed are not occluded.
High Oxygen Sensor1 reading
more than 3%
above set point
Oxygen set point
recently lowered
Allow time for oxygen level to drop.
Supply valve(s) not
closing
Check supply valves and kinked
hoses. Refer to the Tips section
(5.4.4).

GE Giraffe OmniBed Carestation CS1 Specifications

General

Brand	GE
Model	Giraffe OmniBed Carestation CS1
Category	Medical Equipment
Language	English