Troubleshooting CFX
22
9 Troubleshooting
Fault Possible cause Suggested remedy
Device does not
function, LED does
not glow.
No voltage was
detected in the
DC power outlet.
In most vehicles the ignition must be
turned on before power will be supplied
to the DC power outlet.
No voltage present in
the AC voltage socket.
Try using another plug socket.
The device fuse is
defective.
Replace the device fuse, see chapter
“Replacing the AC fuse” on page 20.
The integrated mains
adapter is defective.
This can only be repaired by an
authorised service agent.
The device does not
cool (plug is inserted,
“POWER” LED is lit).
Defective compressor. This can only be repaired by an
authorised service agent.
The device does not
cool (plug is inserted,
“POWER” LED flashes
orange, display is
switched off).
Battery monitor is set
too high.
Select a lower battery monitor setting.
Battery voltage is too
low.
Test the battery and charge it as needed.
When operating from
the DC outlet:
The ignition is on
and the device is not
working and the LED
is not lit.
The DC outlet is dirty.
This results in a poor
electrical contact.
If the plug of your cooling box becomes
very warm in the DC outlet, either the
DC outlet must be cleaned or the plug
has not been assembled correctly.
The fuse of the DC plug
has blown.
Replace the fuse in the DC plug, see
chapter “Replacing the DC plug fuse” on
page 20.
The DC fuse inside the
device has blown.
This can only be repaired by an
authorised service agent.
The vehicle fuse has
blown.
Replace the vehicle’s DC outlet fuse.
Please refer to your vehicle’s operating
manual.
DometicCFX28-CFX50_OPM_4445103579_EMEA16_202x-xx-xx.book Seite 22 Dienstag, 28. September 2021 4:09 16
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