Troubleshooting - Dometic CFF12 Operating Manual

Troubleshooting

➤ Occasionally clean the cooling device interior and exterior with a damp cloth.
➤ Make sure that the air inlet and outlet vents on the device are free of any dust and
dirt, so that heat can be released and the device is not damaged.
8 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).
28
CFF12, 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.
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 26 or chapter "Replacing the
device DC fuse" on page 26.
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.
EN