CoolMatic CRP-40
Troubleshooting
37
Interior temperature too low in control level “1”
Poor cooling, interior temperature increases
Unusual noises
Fault
Possible cause
Remedy
Compressor runs con-
stantly
Thermostat sensor has no contact on
the vaporiser
Secure the sensor
Faulty thermostat
Change the thermostat
Compressor runs for a
long time
Large quantities have been frozen in
the freezer compartment
–
Fault
Possible cause
Remedy
Compressor runs for a
long time/continuously
Vaporiser is iced over
Defrost the vaporiser
Ambient temperature too high
–
Insufficient ventilation and/or air sup-
ply
Move the refrigerator to
another location
Condenser is dirty
Clean the condenser
Fan defective (if installed)
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 (if installed)
–
CRP-40.book Seite 37 Donnerstag, 8. Oktober 2009 11:48 11
