COOLMATIC CR Series
Troubleshooting
51
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 sup-
ply
Move the refrigerator to
another location
Condenser is dirty
Clean the condenser
Electric circuit between
the pins in the compres-
sor interrupted
Defective compressor
Replace the compressor
Fault
Possible cause
Remedy
Compressor runs for a
long time/continuously
Ambient temperature too high
–
Insufficient ventilation and/or air sup-
ply
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
–
_cr-kuehlschraenke.book Seite 51 Montag, 6. April 2009 1:03 13
