Troubleshooting
Capron - 3141417 - 03/20 - EHG-0021-02EN
163
15
Fault Cause Remedy
12 V power supply does
not work in 230 V opera-
tion
12 V power supply is
switched off
Switch 12 V power supply
on
Battery cut-off switch on
the transformer/rectifier
is switched off
Set battery cut-off switch to
on
230 V automatic circuit
breaker has triggered
Contact customer service
Charger module in the
transformer/rectifier is
defective
Contact customer service
Jumbo flat fuse on the
living area battery is de-
fective
Replace jumbo flat fuse on
the living area battery
230 V indicator lamp does
not light up even though
230 V mains supply is
connected
The mains connection is
de-energised
Check external mains con-
nection
230 V automatic circuit
breaker upstream of
transformer/rectifier has
tripped or is switched off
Reset 230 V automatic cir-
cuit breaker
No voltage at a connected
appliance
Self-resetting Polyswitch
fuse has tripped
Check plug connectors and
cables. Switch off 12 V
power supply for approx.
2 minutes, then switch it
back on
Self-resetting Polyswitch
fuse has tripped several
times (3 times), system
has deactivated corre-
sponding output perma-
nently
Remedy cause of Polyswitch
tripping
Cancel permanent switch-off
(switch on 12 V power sup-
ply for living area, press ro-
tary knob and keep it
pressed for minimum 3 sec-
onds)
Starter battery is dis-
charged in 12 V operation
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
discharged
Charge living area battery
immediately
Total discharge
damages the bat-
tery.
If the vehicle is to be laid up
for a long period, fully
charge the living area bat-
tery beforehand
Discharging is caused by in-
active appliances (see chap-
ter 9)
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