Troubleshooting CB, RHD
18
Interior temperature too low in control setting “1”
Cooling capacity drops, interior temperature rises
Unusual noises
Fault Possible cause Remedy
Compressor runs
constantly
Thermostat sensor has no contact to
the vaporiser
Secure the sensor
Thermostat defective Change the thermostat
Short circuit in the thermostat line
Compressor runs for a
long time
A large amount has frozen solid in the
device (only CB36, CB40)
–
Fault Possible cause Remedy
Compressor runs for a
long time/continuously
Vaporiser iced over Defrost the vaporiser
Ambient temperature too high –
Insufficient ventilation Move the cooling device
Condenser is dirty Clean the condenser
Fan defective (if installed) Replace the fan
Compressor runs
infrequently
Battery capacity exhausted Charge the battery
Fault Possible cause Remedy
Loud humming A component of the refrigerant circuit
cannot move freely (lies against the
wall)
Bend the component
carefully
Foreign body jammed between the
cooling device and the wall
Remove the foreign body
Fan noise (if installed) –
RHD-CB--O-West.book Seite 18 Dienstag, 29. November 2016 11:52 11
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