Dometic ColdMachine 50 Installation And Operating Manual page 30

Troubleshooting
Fault
Start attempt with
≥ U
U
T ON
U Voltage between the positive and negative electronic terminals
T
U Switch-on voltage of the electronics
ON
U Switch-off voltage of the electronics
OFF
Interior temperature too low in control setting 1
Fault
Compressor runs
constantly
Compressor runs for a long
time
Cooling capacity drops, interior temperature rises
Fault
Compressor runs for a long
time/continuously
Compressor runs
infrequently
30
Possible cause
Ambient temperature too high
Insufficient ventilation and/or cooling
Condenser is dirty
Fan defective (if installed)
Possible cause
Thermostat sensor has no contact on the
evaporator
Thermostat defective
Large quantities have been frozen in the
freezer compartment
Possible cause
Evaporator is iced over
Ambient temperature too high
Insufficient ventilation and/or cooling
Condenser is dirty
Fan defective (if installed)
Battery capacity exhausted
Coldmachine
Remedy
–
Provide improved ventila-
tion for the cooling unit
Clean the condenser
Replace the fan
Remedy
Secure the sensor
Change the thermostat
–
Remedy
Defrost the evaporator
–
Provide improved ventilation
for the cooling unit
Clean the condenser
Replace the fan
Charge the battery
EN