Troubleshooting
CoolMatic CRP-40
36
11
Troubleshooting
Compressor does not run
Fault
Possible cause
Remedy
U
KL
= 0 V
There is an interruption in the con-
nection between the battery and the –
electronics
Establish a connection
Main switch faulty (if installed)
Replace the main switch
Additional supply line fuse has blown
(if installed)
Replace the supply line
fuse
U
KL
≤
U
ON
Battery voltage is too low
Charge the battery
Start attempt with
U
KL
≤
U
OFF
Loose cables
Poor contact (corrosion)
Establish a connection
Battery capacity too low
Replacing the battery
Cable cross section too small
Replace the cable
(fig.
9
, page 6)
Start attempt with
U
KL
≥
U
ON
Ambient temperature too high
–
Insufficient ventilation and/or air
supply
Move the refrigerator to
another location
Condenser is dirty
Clean the condenser
Fan defective (if installed)
Replace the fan
Electric circuit between
the pins in the compres-
sor interrupted
Defective compressor
Replace the compressor
Usage when the ambi-
ent temperature is too
low
The compressor only starts up at an
ambient temperature of more than
+16 °C.
Only switch on the refrig-
erator at an ambient tem-
perature of more than
+16 °C.
U
KL
Voltage between the positive and negative terminals of the
electronics
U
ON
Cut-in voltage of the electronics
U
OFF
Cut-off voltage of the electronics
CRP-40.book Seite 36 Donnerstag, 8. Oktober 2009 11:48 11