Troubleshooting
Compressor is not running (connected to AC supply)
Problem
No voltage
Voltage is present but
the compressor doesn't
run
Electric circuit between
the pins in the compres-
sor interrupted
Poor cooling, increase in interior temperature
Problem
Compressor runs for a
long time/continuously
Compressor does not
run often
Unusual noises
Problem
Loud humming
56
Possible cause
Connection supply line interrupted
Main switch faulty (if installed)
Additional supply line fuse has blown
(if installed)
Ambient temperature too high
Insufficient ventilation
Condenser is dirty
Defective compressor
Possible cause
Ambient temperature too high
Insufficient ventilation
Condenser is dirty
Faulty fan
Battery capacity exhausted
Possible cause
A component of the refrigerant circuit
cannot move freely (touching the wall)
There is a foreign object stuck
between the cooling unit and the wall
Fan noise
CoolMatic
Remedy
Establish a connection
Replace the main switch
Replace the supply line
fuse
–
Move the refrigerator to
another location
Clean the condenser
Replace the compressor
Remedy
–
Move the refrigerator to
another location
Clean the condenser
Replace the fan
Charge the battery
Remedy
Bend the component
carefully away from the
obstruction
Remove the foreign object
–
EN