Troubleshooting - Dometic CFF Operating Manual

CFF12, CFF20, CFF35, CFF45, CFF70DZ
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).
When operating from
the DC outlet:
The ignition is on
and the device is not
working and the LED
is not lit.
The display shows an
error message (e.g.
"Err1") and the appli-
ance does not cool.
EN
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. This can only be repaired by an authorized
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.
The appliance has
switched off due to an
internal fault.
Remedy
Plugged in DC power outlet: In most vehi-
cles 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 27 or chapter "Replacing the device
DC fuse" on page 27.
This can only be repaired by an authorized
repair center.
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 chap-
ter "Replacing the DC plug fuse" on
page 28.
Replace the defective fuse, see chapter
"Replacing the device DC fuse" on
page 27.
Replace the vehicle's DC outlet fuse. Please
refer to your vehicle's operating manual.
This can only be repaired by an authorized
repair center.
Troubleshooting
29