Troubleshooting - Dometic GROUP Waeco CoolMatic CRP-40 Notice D'utilisation

CRP-40.book Seite 37 Montag, 27. September 2010 4:07 16
CoolMatic CRP-40
11

Troubleshooting

Compressor does not run
Fault
U = 0 V
KL
≤ U
U
KL ON
Start attempt with
≤ U
U
KL OFF
Start attempt with
≥ U
U
KL ON
Electric circuit between
the pins in the compres-
sor interrupted
Usage when the ambi-
ent temperature is too
low
U Voltage between the positive and negative terminals of the
KL
electronics
U Cut-in voltage of the electronics
ON
U Cut-off voltage of the electronics
OFF
Possible cause
There is an interruption in the con-
nection 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
Fan defective (if installed)
Defective compressor
The compressor only starts up at an
ambient temperature of more than
+16 °C.
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. 9, page 6)
–
Move the refrigerator to
another location
Clean the condenser
Replace the fan
Replace the compressor
Only switch on the refrig-
erator at an ambient tem-
perature of more than
+16 °C.
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