Instruction manual

239T-Modell - 13/14 - Ausgabe 08/13 - 2354677 - BUE-0029-14EN
Troubleshooting
14
Living area battery is not
charged during vehicle
operation
Fuse on terminal D+ of
the alternator is defective
Replace fuse
Disconnector relay in the
transformer/rectifier is
defective
Contact customer service
12 V power supply does
not work
12 V power supply
switched off
Switch 12 V power sup-
ply on
Battery cut-off switch on
the transformer/rectifier is
switched off
Set battery cut-off switch
to on
Living area battery is dis-
charged
Charge the living area
battery
Jumbo flat fuse (50 A) on
the living area battery is
defective
Replace jumbo flat fuse
(50 A) on the living area
battery
Disconnector relay in the
transformer/rectifier is
defective
Contact customer service
12 V power supply does
not work in 230 V opera-
tion
12 V power supply
switched off
Switch 12 V power sup-
ply on
Battery cut-off switch on
the transformer/rectifier is
switched off
Set battery cut-off switch
to on
Charger module in the
transformer/rectifier is
defective
Contact customer service
230 V automatic circuit
breaker has triggered
Contact customer service
Jumbo flat fuse (50 A) on
the living area battery is
defective
Replace jumbo flat fuse
(50 A) on the living area
battery
Starter battery is dis-
charged in 12 V opera-
tion
Disconnector relay in the
transformer/rectifier is
defective
Contact customer service
Battery cut-off switch on
the transformer/rectifier is
switched off
Set battery cut-off switch
to on
No voltage is supplied by
the living area battery
Living area battery is dis-
charged
Charge living area bat-
tery immediately
Z Total discharge
damages the
battery.
If the vehicle is to be laid
up for a long period, fully
charge the living area
battery beforehand
Discharging is caused by
inactive appliances (see
chapter 8)
Fault Cause Remedy