Dometic Waeco CoolMatic CD50 Instructions De Montage Et De Service page 46

Troubleshooting
Compressor does not run (battery connection)
Fault
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
46
Possible cause
There is an interruption in the connec-
tion 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 sup-
ply
Condenser is dirty
Defective compressor
CD50, CRD50
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
(fig. 7, page 5)
–
Move the refrigerator to
another location
Clean the condenser
This can only be repaired
by an authorised
customer services unit.
EN