Dometic CRE0050 Installation And Operating Manual page 31

CRE
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 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
Compressor is not running (connected to AC supply)
Problem
No voltage
EN
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
Possible cause
Connection supply line interrupted
Main switch faulty (if installed)
Additional supply line fuse has blown
(if installed)
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 (chap-
ter "Connecting the
refrigerator to DC volt-
age" on page 23)
–
Move the refrigerator to
another location
Clean the condenser
Replace the compressor
Remedy
Establish a connection
Replace the main switch
Replace the supply line
fuse
31