Troubleshooting - Dometic CF SERIES Operating Manual

CF18, CF25, CF35, CF40, CF50
10

Troubleshooting

Fault
Device does not
function, LED does
not glow.
The device does not
cool (plug is inserted,
"POWER" LED is lit).
The device does not
cool (plug is inserted,
"POWER" LED flashes
orange, display is
switched off).
When operating from
the DC outlet:
The ignition is on
and the device is not
working and the LED
is not lit.
EN
Possible cause
No voltage was
detected in the DC
power outlet.
No voltage present in
the AC voltage outlet.
The device fuse is
defective.
The integrated power
supply adapter is
defective.
Defective compressor.
Battery monitor is set
too high.
Battery voltage is too
low.
The DC outlet is dirty.
This results in a poor
electrical contact.
The fuse of the DC plug
has blown.
The vehicle fuse has
blown.
Suggested remedy
In most vehicles the ignition must be
turned on before power will be supplied
to the DC power outlet.
Try using another plug outlet.
Replace the device fuse, see chapter
"Replacing the AC fuse (CF35, CF40,
CF50)" on page 20.
This can only be repaired by an
authorized repair center.
This can only be repaired by an
authorized repair center.
Select a lower battery monitor setting.
Test the battery and charge it as needed.
If the plug of your cooler becomes very
warm in the DC outlet, either the DC
outlet must be cleaned or the plug has
not been assembled correctly.
Replace the fuse in the DC plug, see
chapter "Replacing the DC plug fuse" on
page 20.
Replace the vehicle's DC outlet fuse.
Please refer to your vehicle's operating
manual.
Troubleshooting
23