Symptom
Possible Cause
Action
Screen refreshes
every few seconds
while scale is
attached.
Defective circuit on control
board (Unbiased RS485 bus
during idle state).
Replace control board with revision 17 or higher.
Defective scale.
Disconnect scale connector at probe panel. Power cycle the unit.
If error clears replace the scale.
Defective scale harness.
Disconnect scale harness from J7 on the control board. Power
cycle the unit. If error clears replace the scale harness.
Noise from speaker
on power down.
Microprocessor does not hold
reset during power off.
If noise is excessive, replace control board with revision 17 or
higher.
Fan is running in
high speed but
no FAN ALWAYS
IN HIGH SPEED
message and the
Boost Air Curtain
Indicator is not lit.
This is normal condition for
90 minutes after power up, 45
minutes after transition from
open to closed bed mode,
and during other conditions
as determined by the heat
control software.
To check HIGH and LOW fan speed, power up the unit. After the
power up sequence is complete, hold down the Boost Air Curtain
button and press the decrease temperature button to place the
unit into low fan speed. The Boost Air Curtain button will now
toggle the fan between high and low speeds.
Bed will not lock in
tilt position.
Tilt ball not engaged in finger
pocket latch.
Tilt the head of the bed platform all the way down while holding
the latch open, then let the latch close to capture the tilt ball.
(Refer to “Disassembly for complete cleaning” in the Operation
and Maintenance manual.)
Tilt brake pad failure.
Replace the tilt brake .
Baby Cold or Baby
Hot Alarm does not
trigger at 0.5ºC or
1.0ºC in Air Control
mode.
Manual Temp. Alarm is
disabled on Service Screen.
Enable Manual Temp. alarm.
Humidifier reservoir
is crazed (has
hairline cracks).
Sterilization
Replace humidifier reservoir.
Humidifier reservoir
has scaling.
Use of tap water
Replace humidifier reservoir.
4.6 Additional Troubleshooting Tips
Following are tips on taking many of the measurements and diagnosing the failures that are referred to in the
troubleshooting charts. For some tips it may be necessary to determine the revision level of the relay board.
The revision code is located in a triangle printed on the component side of the PCB. Refer to relay board Figure
6-41 (revision 10 or higher) and Figure 6-42 (revision 9 or lower).
4.6.1 Raising and Lowering the Canopy or Elevating Base
In the event of an OmniBed system failure, it may be possible to raise or lower the canopy or the elevating base
in the service mode. Hold down the override button (>37) to bring up the service screen. The pedals are now
activated to assist in troubleshooting or transportIf the switches still do not operate it may be possible to raise
the canopy and raise or lower the elevating base using the pedal function on page 2 of the service screen.
58
6600-0343-000 104
© 2001 by Datex-Ohmeda, Inc.. All rights reserved.
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 ...