Troubleshooting - Dometic CFF18 Operating Manual

Troubleshooting

7 Troubleshooting
Problem
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.
30
CFF12, CFF18, CFF20, CFF35, CFF45, CFF70DZ
Possible cause
No voltage present in
the connected power
outlet.
One of the device fuses
is defective.
The integrated AC
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 device DC fuse has
blown.
The vehicle fuse has
blown.
Remedy
Plugged in DC power outlet: In most
vehicles the ignition must be turned on
before power will be supplied to the DC
power outlet.
Plugged in AC power outlet: Try using
another plug outlet.
Replace the defective device fuse, see
chapter "Replacing the AC fuse" on
page 28 or chapter "Replacing the
device DC fuse" on page 28.
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 29.
Replace the defective fuse, see chapter
"Replacing the device DC fuse" on
page 28.
Replace the vehicle's DC outlet fuse.
Please refer to your vehicle's operating
manual.
EN