4.3.19 “In Transition - Heat O” Alarm
Cause or Circumstances Failure Action
As the canopy reaches the
top position (for warmer
mode) or the bottom position
(for incubator mode), the
software does not see the
corresponding switch in the
right rail close, to signal that
the rail is at the end position.
NA
NOTE: This message should always be on when the
unit is in transition between the incubator and warmer
modes.
WARMER MODE
The In transition Heat O
message does not go o
when canopy is all the way
up.
If the alarm message Heater
Doors Not Open is also
displayed, troubleshoot that
alarm rst.
Defective rail drive belt Check the belt. Refer to the Tips section (4.6.10).
Canopy is not going high
enough because spring tube
in right rail is not adjusted
correctly.
Try pushing up slightly on the canopy to see if the
switch closes and the message goes o. If it does,
adjust the spring tube position so there is less spring
tension. Refer to repair procedures, section 5.4.2 steps
14-15.
Defective switch or harness.
Switches can be tested in service mode. To check with
an ohmmeter, disconnect harness from J36 on relay
board. Measure resistance at pins 1-2. Should be open
and then close when canopy reaches top of its travel.
If not, either switch or harness are defective. Both are
located in right rail.
INCUBATOR MODE
In transition Heat O
message does not go o
when canopy is all the way
down.
Canopy is not going low
enough because it needs
adjustment.
Adjust the canopy as described in Chapter 5.
Defective switch or harness.
Switches can be tested in service mode. To check with
an ohmmeter, disconnect harness from J36 on relay
board. Measure resistance at pins 1-2. Should be open
and then close when canopy reaches top of its travel.
If not, either switch or harness are defective. Both are
located in right rail.
4.3.20 “Motor Drive Failure” Alarm
Cause or Circumstances Failure Action
The software has detected
that the elevating base motor
or the canopy motor was
running when not turned on.
Defective relay board.
Replace the relay board.
NOTE: Humidier will not operate during this failure.
© 2001 by Datex-Ohmeda, Inc.. All rights reserved. 6600-0343-000 104 41
Chapter 4: Troubleshooting
To Next Page
Loading...
Need help?
General
