4.3.18
“Humidifier Failure” Alarm
NOTE:
The “Humidifier Failure” alarm can be caused by non-humidifier issues.
Cause or Circumstances
Failure
Action
The Motor Drive Failure alarm
is on.
If this alarm activates, it
opens safety relay 2 and
disables the humidifier.
Refer to section 4.3.20 for troubleshooting.
The Elevating base does not
function. If the elevating base
does not function, then safety
relay 2 is not being energized.
Defective 50 pin ribbon cable
between the relay and control
board.
Check for continuity on pin 34 (safety relay 2 control
signal). If defective, replace the cable. If good, replace
the relay board.
Elevating base functions
Humidifier safety thermostat
is open.
Wait for the heater to cool. Cycle power to see if alarm
resets.
Defective humidifier heater or
humidifier safety thermostat.
Check safety thermostat and humidifier heater
resistance. Refer to the Tips section (4.6.6).
Humidifier heater measures
OK
Relay boards rev 10 or higher In service mode, verify mains voltage is present at the
input to the humidifier isolation transformer. (J55 1-2)
Relay boards rev 9 or lower.
Humidifier Interface Board is
mounted on relay board
In service mode, verify mains voltage is present at the
input to the humidifier isolation transformer. (J56 1-2)
J56 is on Humidifier Interface Board mounted on relay
board.
No mains voltage at input
to humidifier isolation
transformer. (J55, 1-2)
Defective fuse. Relay boards
rev 10 or higher
Check fuses F3 and F4 on the relay board. If OK,
continue.
Defective fuse. Relay boards
rev 9 or lower. Humidifier
Interface Board is mounted
on relay board.
Check fuses on humidifier interface board.
Defective relay board.
Replace the relay board.
40
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 ...