Dometic ColdMachine 50 Instructions De Montage Et De Service page 30

Troubleshooting
Compressor does not run
Fault
U = 0 V
T
≤ U
U
T ON
Start attempt with
≤ U
U
T OFF
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
30
Possible cause
The connection between the battery and
the – electronics is interrupted
Main switch defective (if installed)
Additional supply line fuse has blown (if
installed)
Battery voltage is too low
Loose cables
Poor contact (corrosion)
Battery capacity too low
Cable cross section too low
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
vaporiser
Thermostat defective
Large quantities have been frozen in the
freezer compartment
Coldmachine
Remedy
Establish a connection
Replace the main switch
Replace the fuse
Charge the battery
Establish a connection
Replace the battery
Replace the cable (fig. i,
page 9)
–
Provide improved ventila-
tion for the cooling unit
Clean the condenser
Replace the fan
Remedy
Secure the sensor
Change the thermostat
–
EN