Dometic WAECO CoolMatic CD30 Instructions De Montage Et De Service page 26

Troubleshooting
Cooling capacity drops, interior temperature rises
Feature
Compressor runs for a
long time/continuously
Compressor does not
run often
Noises
Feature
Loud humming
Radio or television interference in the vehicle
Feature
Reception interference
when the compressor
is running
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Possible cause
Vaporiser iced over
Cooling area insulation is
insufficient (moist/wet)
Ambient temperature too high
Insufficient ventilation
Condensor is dirty
Fan defective (if installed)
Battery capacity exhausted
Possible cause
A component of the refrigerant
circuit cannot move freely, the
component is lying against the
wall or against a foreign body or
is jammed between the cooling
device and the wall
Fan noise (if installed)
Possible cause
The electronic connection of the
cooling device is not directly
clamped on to the battery
Remedy
Defrost the vaporiser
Adjust/replace the drawer seal
Ensure that the device is
sufficiently ventilated
Clean the condenser
Replace the fan
Charge the battery
Remedy
Move the component carefully
so that it can move freely
Remedy
Connect the cooling device as
directly as possible to the battery
CD30
EN