Troubleshooting - Dometic GROUP WAECO CoolMatic HDC-150 Instructions De Montage Et De Service

_HDC150.book Seite 42 Donnerstag, 9. Dezember 2010 8:19 20

Troubleshooting

11 Troubleshooting
Compressor does not run
Problem
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
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
42
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
Fan defective (if installed)
Defective compressor
HDC-150
Remedy
Establish a connection
Replace the main switch
Replace the supply line
fuse
Charge the battery
Establish a connection
Replacing the battery
Change the cable (see
table on page 34)
–
Move the refrigerator to
another location
Clean the condenser
Replace the fan
Replace the compressor