Operation Manual

1
78 Caravan - 11-06 - DET-0030-05E
N
Troubleshooting
1
5
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 rel-
evant light, replace bulb.
Note volts and watts
specifications
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 (see
connection diagram in
chapter 9)
Road light system does
not match the towing ve-
hicle light system
Contact connections
within the plug have been
reversed
Check contact allocation
and wiring on the plug/
connector of the caravan
Interior lighting does no
longer work correctly
Bulb is defective Remove cover, replace
bulb. Note volts and
watts specifications
Power pack switched off Switch on power pack
Fuse on the 240 V auto-
matic circuit breaker is
defective
Replace fuse
Fuse on power pack or at
transformer/rectifier de-
fective (Power Pack SE)
Replace fuse
12 V interior lighting does
not work
240 V automatic circuit
breaker is switched off
Switch on the 240 V au-
tomatic circuit breaker
Power pack switched off Switch on power pack
12 V power supply
switched off (Power Pack
SE)
Switch on 12 V power
supply on the control
panel
Fuse on the power pack
is defective
Replace fuse
Power pack/transformer/
rectifier defective
Contact customer service
240 V interior lighting
does not work
240 V automatic circuit
breaker is switched off
Switch on the 240 V au-
tomatic circuit breaker
No 240 V power supply
despite connection
240 V automatic circuit
breaker has triggered
Switch on the 240 V au-
tomatic circuit breaker