Alarm Codes
146
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
00
No Alarms Exist
None required
X
2
Evaporator Coil Sensor
Manually monitor load temperature with independent
thermometer. Report alarm at end of day.
X
3
Control Return Air Sensor
Manually monitor load temperature with independent
thermometer. Report alarm at end of day.
X
4
Control Discharge Air Sensor
Manually monitor load temperature with independent
thermometer. Report alarm at end of day.
X
5
Ambient Air Sensor
Report alarm at end of day.
X
6
Coolant Temp Sensor
Report alarm at end of day.
X
7
Engine RPM Sensor
Report alarm at end of day.
X
9
High Evaporator Temperature
Manually monitor load temperature. Report alarm at end of
the day.
X