Operation Manual

2
44 Motorcaravan - 09-08 - DET-0033-07E
N
Troubleshooting
1
5
15.7 Air conditioning unit
15.7.1 Dometic
15.7.2 Truma
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
Water is entering the ve-
hicle
Drainage holes for con-
densation are clogged
Clean air conditioning
unit
Seal is defective Contact customer service
No more air circulation Air filter clogged Clean air filter
Fan wheel defective Contact customer service
Fault Cause Remedy
Air conditioning unit does
not cool
No 240 V power supply Connect 240 V power
supply
Fuse is defective Check fuse and replace if
necessary
Temperature below
16 °C
Temperature has been
set incorrectly
Adjust the temperature
Air filter contaminated Replace air filter