Alarm Codes
162
503
Host Condenser Fan 1 RPM
Sensor
If unit is shutdown, repair immediately. Otherwise, report
alarm at end of day.
X
504
Host Condenser Fan 2 RPM
Sensor
If unit is shutdown, repair immediately. Otherwise, report
alarm at end of day.
X
505
Roadside Condenser Fan Motor
Speed Circuit
If unit is shutdown, repair immediately. Otherwise, report
alarm at end of day.
X
506
Curbside Condenser Fan Motor
Speed Circuit
If unit is shutdown, repair immediately. Otherwise, report
alarm at end of day.
X
507
Digital Scroll Output Circuit
If unit is shutdown, repair immediately. Otherwise, report
alarm at end of day.
X
508
Speed Request Communication
Error
Report alarm at end of the day.
X
509
Engine Control Unit (ECU) Failed
to Enable
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