Dometic CD20 Manual page 14

Troubleshooting
Feature
During attempted start
≤ U
up U
Term OFF
During attempted start
≥ U
up U
Term ON
Electric circuit between
the pins in the
compressor interrupted
U Voltage between the positive and negative electronic terminals
Term
U Switch on voltage of the electronic connection terminals
ON
(see chapter "Technical description" on page 10)
U Switch off voltage of the electronic connection terminals
OFF
(see chapter "Technical description" on page 10)
Interior temperature too low in the "MIN" thermostat setting
Feature
Compressor runs con-
tinuously
Compressor runs for a
long time
16
Possible cause
Loose cable connection
Poor contact (corrosion)
Cable cross section too small
Battery capacity too low
Ambient temperature too high
Insufficient ventilation and/or air
supply
Condensor is dirty
Defective compressor
Possible cause
Thermostat sensor has no contact to the
vaporiser
Short circuit in the thermostat line
Thermostat defective
Large quantities have been frozen in the
vaporiser compartment
CD20, CD30
Remedy
Establish a connection
Replace the cable
(fig. 6, page 5)
Replace the battery
–
Move the refrigerator to
another location
Clean the condenser
Replace the compressor
Remedy
Secure the sensor
Change the thermo-
stat
EN