Operation Manual
2
34 Motorcaravan - 09-08 - DET-0033-07E
N
Troubleshooting
1
5
No 240 V power supply
despite connection
240 V automatic circuit
breaker has triggered
Switch on the 240 V au-
tomatic circuit breaker
Starter or living area bat-
tery is not charged when
operated in 240 V mode
Jumbo flat fuse (40 A) on
the starter or living area
battery is defective
Replace jumbo flat fuse
(40 A) on the starter or
living area battery
Charger module in the
transformer/rectifier is
defective
Contact customer service
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 indicator lamp does
not light up
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
Starter or living area bat-
tery is not charged
Charge the starter or liv-
ing area battery
Disconnector relay in the
transformer/rectifier is
defective
Contact customer service
Flat fuse (2 A) in the liv-
ing area battery is defec-
tive
Replace flat fuse (2 A) in
the living area battery
No display on the panel 12 V power supply
switched off
Switch 12 V power sup-
ply on
Living area battery dis-
connected from the 12 V
power supply
Connect the living area
battery with the 12 V
power supply
Starter or living area bat-
tery is not charged
Charge the starter or liv-
ing area battery
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
Living area battery dis-
connected from the 12 V
power supply
Connect the living area
battery with the 12 V
power supply
Living area battery is dis-
charged
Charging the living area
battery
Jumbo flat fuse (40 A) on
the living area battery is
defective
Replace jumbo flat fuse
(40 A) on the living area
battery
Disconnector relay in the
transformer/rectifier is
defective
Contact customer service
Fault Cause Remedy