Alarm Codes
149
28
Pretrip Abort
Report alarm at end of day.
X
29
Defrost Damper Circuit
If unit is shutdown, repair immediately. Otherwise, report
alarm at end of day.
X
30
Defrost Damper Stuck
If unit is shutdown, repair immediately. Otherwise, report
alarm at end of day.
X
31
Oil Pressure Switch
If unit is shutdown repair immediately. Otherwise, report
alarm at end of day.
X
32
Refrigeration Capacity Low
The indicated zone is no longer able to operate and has
been shut down. Repair immediately.
X
33
Check Engine RPM
Report alarm at end of day.
X
35
Run Relay Circuit
If unit is shutdown, repair immediately. Otherwise, report
alarm at end of day.
X
Table of Alarm Codes
NOTE: Not all alarm codes are available with all microprocessor controllers or all revisions of software.
Code Description
Corrective Action
Level Of
Action
Ok
T
o
Run
Che
c
k
Shut
Down