Troubleshooting - Dometic CB40 Operating Manual

CB, RHD
12

Troubleshooting

Compressor does not run
Fault
U = 0 V
T
 U
U
T ON
Start attempt with
 U
U
T OFF
Start attempt with
 U
U
T ON
U Voltage between the positive and negative electronic terminals
T
U Switch-on voltage of the electronics
ON
U Switch-off voltage of the electronics
OFF
EN
Possible cause
The connection between the battery
and the electronics is interrupted
Main switch defective (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 low
Ambient temperature too high
Insufficient ventilation
Condenser is dirty
Fan defective (if installed)
Troubleshooting
Remedy
Establish a connection
Replace the main switch
Replacing the fuse
Charge the battery
Establish a connection
Replace the battery
Replace the cable
(fig. 4, page 4)
–
Move the cooling device
Clean the condenser
Replace the fan
17