Thermo King Precedent C-600M, Operator'S Manual

Page: 137 / 166

Alarm Codes
135
234 Check Relative Humidity Sensor
Circuit
Report alarm at end of the day. X
251 Check Radio Expansion Board
Configuration
Report alarm at end of the day. X
252 Check Auto Fresh Air Exchange
Circuit
If unit is shutdown, repair immediately. Otherwise, report alarm at
end of day.
X
500 Check Host Evaporator Fan Low
Speed
If unit is shutdown, repair immediately. Otherwise, report alarm at
end of day.
X
501 Check Host Evaporator Fan High
Speed
If unit is shutdown, repair immediately. Otherwise, report alarm at
end of day.
X
505 Check Roadside Condenser Fan
Motor Speed Circuit
If unit is shutdown, repair immediately. Otherwise, report alarm at
end of day.
X
506 Check Curbside Condenser Fan
Motor Speed 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
Table of Alarm Codes (Continued)
Code Description Operator Action
Level Of
Action
Ok
T
o
Run Check Sh
ut
Dow
n