Operation Manual
TROUBLE SHOOTING
Problem (Possible) cause Action
‘Error’ lights on
reversed polarization of the
cables
Remove the connection and
attach the cables correctly
The battery is connected to
the charger and the charger
does not work
1. mains voltage is to low
or no mains voltage
2. weak or no connection
between the battery and
the charger
3. the charger is in a
thermical stop.
1. Measure the mains
voltage. It should be
higher then 180VAC.
2. check the connection
and the wires
3. the charging process will
continue automatically
when the charger has
could down
The battery is not connected
to the charger and you don’t
measure any voltage.
The charger needs a inverse
voltage (from a battery)
before it works.
Connect a battery to the
charger and measure again.
The led float/boost continues
to burn red.
1. the battery is defective
2. There are heavy
consumers connected to
the battery.
3. battery is too heavy for
the charger
1. measure the acid and, if
necessary, replace the
battery
2 and 3. connect a
heavier charger to the
battery
When the GBC 100 still is not functioning well after the actions stipulated, you may
return the charger to your retailer or you may return it directly to Proosten
Electronics. The charger must be sent prepaid.
Don’t try to repair or open the charger yourself.
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