Dometic COOLMATIC MDC 065 Notice D'utilisation page 21

MDC
Compressor does not run (battery connection)
Fault
U = 0 V
KL
≤ U
U
KL EIN
Start attempt with
≤ U
U
KL OFF
Start attempt with
≥ U
U
KL ON
Electric circuit between
the pins in the
compressor 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
EN
Possible cause
There is an interruption in the
connection between the battery and
the – electronics
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 and/or air
supply
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
Replace the battery
Replace the cable
–
Move the refrigerator to
another location
Clean the condenser
Replace the compressor
21