EN
CF35, CF40, CF 50
Troubleshooting
21
8
Troubleshooting
Fault
Possible cause
Suggested remedy
Device does not
function, LED does
not glow.
There is no voltage
present in the 12/24 V
socket (cigarette lighter)
in your vehicle.
The ignition must be switched on in
most vehicles to apply current to the
cigarette lighter.
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 device fuse” on page 19.
The integrated mains
adapter is defective.
This can only be repaired by an
authorised repair centre.
The device does not
cool (plug is inserted,
“POWER” LED is lit).
Defective compressor.
This can only be repaired by an
authorised customer services unit.
The device does not
cool (plug is inserted,
“POWER” LED flashes
orange, display is
switched off).
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 cooler 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 plug fuse
(12/24 V)” on page 19.
The DC fuse inside the
device has blown.
This can only be repaired by an
authorised repair centre.
The vehicle fuse has
blown.
Replace the vehicle’s DC outlet fuse.
Please refer to your vehicle’s operating
manual.
The display shows an
error message (e.g.
“Err1”) and the appli-
ance does not cool.
The appliance has
switched off due to an
internal fault.
This can only be repaired by an
authorised repair centre.
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