GE Giraffe OmniBed Carestation CS1, Service Manual

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Chapter 5: Troubleshooting
Troubleshooting Symptoms
Service Manual 5-5
S20 Canopy works in one direction
but not the other. Defective canopy motor. Check the voltage to the
canopy motor for both up and
down movement. Refer to the
Tips section (
5.3.4 ). If OK,
replace the canopy motor/
gearbox.
Defective 50 pin ribbon
cable between the relay
and control board. Check for continuity on pins 23,
24, 26, 27 (motor control
signals). If defective, replace
the cable.
Defective relay board. Replace relay board.
S21 Canopy travels down part way
then stops or goes very slow
for the last part. An object fell into the
opening behind the radiant
heater floppy door. Check that the floppy door,
located behind the radiant
heater moves freely. Look to be
sure nothing has fallen behind
the door.
S22 Canopy travels down part way
then stops and gives an in-
transition alarm.
Heater doors are mechanically
closed, but switch status on
Service screen does not
indicate
closed .
Heater door switch(es) is
(are) malfunctioning. Remove heater housing cover
to access door switches. Use a
small screw driver to adjust the
switches so that two distinct
clicks are heard when switches
move. If necessary, replace
switches.
Heater door sensor wire
harness (6600-0752-700) is
loose or damaged. Remove heater housing cover
to access and inspect the wire
harness. If necessary, reinstall
and/or replace the harness.
Before removing the harness,
note which switch pins are
connected to which harness
lead for proper re-installation.
S23 Canopy rises slowly and stops
before doors are opened fully. Broken rungs in rail drive
belt Inspect belt. Refer to the Tips
section (
5.3.5 ).
S24 Canopy is clouded. Use of alcohol or hand-
disinfectants Replace canopy.
S25 The radiant heater doors do
not close completely when the
canopy is lowered. Heater door top seal or
bottom seal interferes with
the doors. Move or replace the seal.
Heater door arm on spring
spool assembly is stuck. Replace the heater door spring
spool assembly.
Heater door spring spool
assembly pins are
touching the heater door
cable. Straighten pins away from the
spring spool and cable.
ID Symptom Possible Cause(s) Action(s)