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CRX
Number of
Fault
flashes
5
Overheating of the elec-
tronics unit
Constantly
Temperature sensor
errors
Compressor does not run (battery connection)
Problem
U
= 0 V
Term
≤ U
U
Term
ON
Start attempt with
≤ U
U
Term
OFF
Start attempt with
≥ U
U
Term
ON
Electric circuit between
the pins in the compres-
sor interrupted
U
Voltage between the positive and negative terminals of the electronics
Term
U
Cut-in voltage of the electronics
ON
U
Cut-off voltage of the electronics
OFF
EN
Possible cause
If the cooling system is loaded too heavily or
the temperature is set too high, the electron-
ics can overheat.
Temperature sensor is defective.
Possible cause
There is an interruption in the
battery – electronics connection
Main switch faulty (if installed)
Additional supply line fuse has blown
(if installed)
Battery voltage is too low
Loose cables
Poor contact (corrosion)
Battery capacity too low
Cable cross section too small
Ambient temperature too high
Insufficient ventilation
Condenser is dirty
Defective compressor
Troubleshooting
Remedy
Establish a connection
Replace the main switch
Replace the supply line
fuse
Charge the battery
Establish a connection
Replacing the battery
Replace the cable
(fig. d, page 24)
–
Move the refrigerator to
another location
Clean the condenser
Contact customer service
37
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