15.3 Electrical system
Z When the living area battery is changed, only use batteries of the same type.
Z See Chapter 9 for changing the fuses.
Fault Cause Remedy
Road light system does no
longer work correctly
Bulb is defective Unscrew cover of the rele-
vant light, replace bulb.
Note volts and watts speci-
fications
Contacts on the plug and/
or in the socket have oxi-
dised and/or are contami-
nated
Clean contacts and spray
with contact spray
Short circuit caused by wa-
ter in the plug and/or sock-
et
Open plug and/or socket,
dry out, and spray with
contact spray
Cable interruption on the
plug and/or socket
Open plug and/or socket,
re-connect cable (see con-
nection diagram in
Chapter 9)
Road light system does not
match the towing vehicle
light system
Contact connections with-
in the plug have been re-
versed
Check contact allocation
and wiring on the plug/
connector of the caravan
Interior lighting no longer
works correctly
Bulb is defective Remove cover, replace
bulb. Note volts and watts
specifications
Power pack switched off Switch on power pack
Fuse on the 230 V auto-
matic circuit breaker is de-
fective
Replace fuse
Fuse on power pack or at
transformer/rectifier defec-
tive (Power Pack SE)
Replace fuse
12 V interior lighting does
not work
230 V automatic circuit
breaker switched off
Switch on 230 V automatic
circuit breaker
Power pack switched off Switch on power pack
12 V power supply
switched off (Power Pack
SE)
Switch on 12 V power sup-
ply on the control panel
Fuse on the power pack is
defective
Replace fuse
Power pack/transformer/
rectifier defective
Contact customer service
230 V interior lighting does
not work
230 V automatic circuit
breaker switched off
Switch on 230 V automatic
circuit breaker
No 230 V power supply de-
spite connection
230 V automatic circuit
breaker has triggered
Switch on 230 V automatic
circuit breaker