4.5 Troubleshooting Symptoms
Symptom
Possible Cause
Action
No audio alarm.
Defective speaker or harness.
Use an ohmmeter to verify the speaker resistance is about 8
ohms at relay board connector J40, pins 5-6. If defective, raise
the lower shroud and measure at 6 pin connector to determine if
speaker or harness is defective.
Audio driver circuitry on
control board is defective.
Replace the control board.
Unit equipped with
servo-humidity but
RH setpoint only
shows 1-10.
Unit was powered on and the
compartment probe was not
plugged in at the probe panel
(only on old style units with
connector)
Cycle power after compartment probe is plugged in.
Defective humidity sensor
Replace the humidity sensor.
Defective control board.
If problem persists, replace control board.
ADD WATER
message stays on
even after water
has been added.
Reservoir switch button is
jammed (only on units with old
style button).
Remove reservoir, but take care because surface may be hot!
Check that the white reservoir switch button moves freely. If it is
stuck in the closed position it should be replaced with the new
style. (6600-1298-500)
Defective reservoir switch.
Check resistance of reservoir switch at relay board harness J32,
2-3. Switch should be closed when reservoir is closed and open
when reservoir is open.
Defective 50 pin ribbon cable
between the relay and control
board.
Check for continuity on pin 6 (RHBOTTLE). If defective, replace
cable.
Defective relay board.
Replace relay board.
Defective control board.
Replace control board.
Elevating base AND
Canopy will not go
up or down.
Pedal switches are disabled on
nurse setup screen or service
screen.
Try raising/lowering canopy using the hand switches. Check
Setup screen (wrench symbol) or service screen to see if pedal
switches are disabled.
Defective toroidal transformer Check the toroidal transformer. Refer to the Tips section (4.6.12).
Replace transformer if defective.
No mains input to the toroidal
transformer.
Replace relay board.
Output voltage from the
toroidal transformer is OK.
Defective fuse on relay board.
Check fuses F5, F6 on the relay board.
Defective 50 pin ribbon cable
between the relay and control
board.
Check for continuity on pins 23, 24, 26, 27, 34 (motor control and
safety relay 2 control signals). If defective, replace the cable.
Output voltage from the
toroidal transformer is OK.
Fuses on relay board are OK.
Defective relay board.
Replace relay board.
© 2001 by Datex-Ohmeda, Inc.. All rights reserved.
6600-0343-000 104
55
Chapter 4: Troubleshooting
Содержание Giraffe OmniBed
Страница 10: ...x 6600 0343 000 104 2001 by Datex Ohmeda Inc All rights reserved Table of Contents ...
Страница 28: ...xxviii 6600 0343 000 104 2001 by Datex Ohmeda Inc All rights reserved About this Manual ...
Страница 38: ...10 6600 0343 000 104 2001 by Datex Ohmeda Inc All rights reserved Chapter 1 Functional Description ...
Страница 48: ...20 6600 0343 000 104 2001 by Datex Ohmeda Inc All rights reserved Chapter 2 Service Checkout ...
Страница 56: ...28 6600 0343 000 104 2001 by Datex Ohmeda Inc All rights reserved Chapter 3 Calibration and Maintenance ...
Страница 260: ...232 6600 0343 000 104 2001 by Datex Ohmeda Inc All rights reserved Chapter 6 Illustrated Parts ...