CC335/CC355
3.2 Command Description
– Failure Operation
Failure Operation
– Control Panel Functions
The system indicates failure codes on the display. The possible failure codes and their meanings are shown in
Fig. 6.
Failure
Possible Cause
Check and Correct
Pressure switch failure
Anti-Icing Thermostat
Failure
Check pressure switch
Check anti-icing thermostat
Check evaporator
Check refrigerant pressure
Check evaporator blowers
Temperature Sensor Open
Check condition of temperature sensor
Check temperature sensor wiring
Temperature Sensor Short
Circuit
Check condition of temperature sensor
Check temperature sensor wiring
Electrical Power Failure
Check battery voltage
Check wiring
Check alternator
Fig. 6 Failure Code Indications
1
– If any failure occurs to the pressure switch, the display will show the message
(
HA
)
and the system will shut the compressor off.
The Controller has a 30 minute delay before allowing the compressor and condenser fans to restart.
2
– As the system operates according to the internal temperature, the controller has two failure codes to monitor the temperature
Sensors:
a) If the temperature sensor is open, the display will show
(
OP
).
b) If the temperature sensor is shorted, the display will show
(
SC
).
3
– The controller has a parameter to monitoring the alternator. If a failure occurs the display will show
(
AL
).
12
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