CD50, CRD50 Troubleshooting
47
Compressor is not running (connected to AC supply)
Poor cooling, interior temperature increases
Unusual noises
Fault Possible cause Remedy
No voltage Interruption in the supply cable Establish a connection
Main switch faulty (if installed) Replace the main switch
Additional supply line fuse has blown
(if installed)
Replace the supply line
fuse
Voltage is present but
the compressor doesn't
run
Ambient temperature too high –
Insufficient ventilation and/or air supply
Move the refrigerator to
another location
Condenser is dirty Clean the condenser
Electric circuit between
the pins in the compressor interrupted
Defective compressor This can only be repaired
by an authorised
customer services unit.
Fault Possible cause Remedy
Compressor runs for a
long time/continuously
Ambient temperature too high –
Insufficient ventilation and/or air supply
Move the refrigerator to
another location
Condenser is dirty Clean the condenser
Faulty fan Replace the fan
Compressor runs
intermittently
Battery capacity exhausted Charge the battery
Fault Possible cause Remedy
Loud humming A component of the refrigerant circuit
cannot move freely (touching the wall)
Bend the component
carefully away from the
obstruction
Foreign body jammed between the
cooling unit and the wall
Remove the foreign body
Fan noise –