Alarm Codes
163
510
Engine Control Unit (ECU) Run
Signal Failed
If unit is shutdown, repair immediately. Otherwise, report
alarm at end of day.
X
511
Engine Wait to Start Time Delay
Expired
If unit is shutdown, repair immediately. Otherwise, report
alarm at end of day.
X
512
High Compressor Suction
Pressure
If unit is shutdown, repair immediately. Otherwise, report
alarm at end of day.
X
513
Low Compressor Suction Ratio
If unit is shutdown, repair immediately. Otherwise, report
alarm at end of day.
X
514
Minimum ETV Discharge
Superheat Temperature
If unit is shutdown, repair immediately. Otherwise, report
alarm at end of day.
X
515
Minimum ETV Discharge
Superheat Temperature
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