Operation Manual

191Caravan - 09-09 - DET-0030-09EN
Troubleshooting
15
15.8 Dometic air conditioning unit
Fault Cause Remedy
Refrigerator does not
switch on when operating
in 240 V mode
No 240 V power supply Connect 240 V power
supply
240 V automatic circuit
breaker has triggered
Switch on the 240 V au-
tomatic circuit breaker
Refrigerator does not
switch on when operating
in 12 V mode
Contacts on the plug
and/or in the socket have
oxidised and/or are con-
taminated
Clean contacts and spray
with contact spray
Short circuit caused by
water in the plug and/or
socket
Open plug and/or sock-
et, dry out, and spray
with contact spray
Cable interruption on the
plug and/or socket
Open plug and/or sock-
et, re-connect cable
Fuse on power pack or at
transformer/rectifier de-
fective (Power Pack SE)
Replace fuse
Disconnector relay at
transformer/rectifier
(Power Pack SE) defec-
tive
Contact customer service
Refrigerator does not
switch on when operating
in gas mode
The "GAS" operating in-
dicator flashes in yellow
(Dometic 7 series)
Lack of gas Open regulator tap and
gas isolator tap
Connect a full gas bottle
Air in the gas pipe Repeat ignition 3 or
4times
Cobwebs or burnt resi-
due in the burning cham-
ber
Remove the ventilation
grill on the outside of the
vehicle and clean the
burning chamber
Fault Cause Remedy
Air conditioning unit does
not start up
No 240 V power supply Connect the vehicle to
the local power supply
240 V automatic circuit
breaker has triggered
Switch on the 240 V au-
tomatic circuit breaker
Remote control batteries
empty
Change remote control
batteries
Air conditioning unit does
not cool
Temperature below
16 °C
–
Temperature has been
set incorrectly
Adjust the temperature
Thermostat defective Contact customer service
Air conditioning unit does
not warm up
Temperature above
30 °C
–
Temperature has been
set incorrectly
Adjust the temperature
Thermostat defective Contact customer service