Dometic COOLMATIC CRX 50 Instructions De Montage Et De Service page 32

Troubleshooting
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
compressor 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
32
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
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 8)
–
Move the refrigerator to
another location
Clean the condenser
Replace the compressor
CRX
EN