EN
CD20, CD30
Troubleshooting
17
Cooling capacity drops, interior temperature rises
Unusual noises
Radio or television interference in the vehicle
Feature
Possible cause
Remedy
Compressor runs for a
long time/continuously
Vaporiser iced over
Defrost the vaporiser
Cooling area insulation is insuffi-
cient (moist/wet)
Adjust/replace the drawer seal
Ambient temperature too high
Insufficient ventilation
Ensure that the device is suffi-
ciently ventilated
Condensor is dirty
Clean the condenser
Fan defective (if installed)
Replace the fan
Compressor does not
run often
Battery capacity exhausted
Charge the battery
Feature
Possible cause
Remedy
Loud humming
Foreign body jammed between
the cooling unit and the wall
Remove the foreign body
Fan noise
–
Feature
Possible cause
Remedy
Reception interference
when the compressor
is running
The electronic connection of
the cooling device is not
directly clamped on to the bat-
tery
Connect the cooling device as
directly as possible to the bat-
tery
CD20-30-IO-US.book Seite 17 Montag, 29. Mai 2017 4:41 16