Dometic GROUP WAECO CoolMatic MDC065 Notice D'utilisation page 37

MDC065(K), MDC090(K)
Fault
Start attempt with
≤ U
U
KL OFF
Start attempt with
U ≥ U
KL ON
Electric circuit between
the pins in the compres-
sor interrupted
U Voltage between the positive and negative terminals of the electronics
KL
U Cut-in voltage of the electronics
ON
U Cut-off voltage of the electronics
OFF
Compressor is not running (connected to AC supply)
Fault
No voltage
Voltage is present but
the compressor doesn't
run
Electric circuit between
the pins in the compres-
sor interrupted
Poor cooling, interior temperature increases
Fault
Compressor runs for a
long time/continuously
EN
Possible cause
Loose cables
Poor contact (corrosion)
Battery capacity too low
Cable cross section too small
Ambient temperature too high
Insufficient ventilation and/or air sup-
ply
Condenser is dirty
Defective compressor
Possible cause
Interruption in the supply cable
Main switch faulty (if installed)
Additional supply line fuse has blown
(if installed)
Ambient temperature too high
Insufficient ventilation and/or air sup-
ply
Condenser is dirty
Defective compressor
Possible cause
Ambient temperature too high
Insufficient ventilation and/or air sup-
ply
Condenser is dirty
Faulty fan
Troubleshooting
Remedy
Establish a connection
Replace the battery
Replace the cable
–
Move the refrigerator to
another location
Clean the condenser
Replace the compressor
Remedy
Establish a connection
Replace the main switch
Replace the supply line
fuse
–
Move the refrigerator to
another location
Clean the condenser
Replace the compressor
Remedy
–
Move the refrigerator to
another location
Clean the condenser
Replace the fan
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