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Error codes
Problem
The output LED indicator lights up
red.The battery charger switches off
automatically.
The input LED indicator lights up red.
The battery charger switches off auto-
matically.
The input LED indicator flashes red
quickly. The battery charger switches
off automatically.
One of the LED indicators flashes slow-
ly red. The battery charger switches off
automatically.
20
Possible cause
The battery charger has detected a
short circuit of a connected device on
the output side.
The AC input is unstable.
The battery charger has detected a
short circuit of a connected device on
the input side.
The input fuse has blown.
The battery connected to the IBS is
overheated (>52 °C).
Lead Acid, AGM and GEL batteries
only: The battery connected to the
IBS is underheated (<-18 °C).
LiFePO4 battiers only: The battery
connected to the IBS is underheated
(<-20 °C).
The battery charger is overheated
(>90 °C).
The battery voltage of the correspond-
ing battery that is charged is too high.
The corresponding battery does not
reach the charging current and there-
fore not the charging phases U and
U0.
Suggested remedy
Replace the short circuited de-
vice.
LiFePO4 batteries only: If the
battery charger is connected to
an AC source, reset the AC con-
nection.
Reconnect the D+ connection.
Reconnect the AC input.
If necessary, disconnect the AC
source and connect the battery
charger to a DC source.
Replace the short circuited de-
vice.
Reset the connected device.
Let the corresponding battery
cool down below 45 °C.
Refer to the manufactures in-
structions.
Move the corresponding battery
to a warmer place.
Ensure that the corresponding
battery has a temperature above
-10 °C.
Refer to the manufactures in-
structions.
Move the corresponding battery
to a warmer place.
Ensure that the corresponding
battery has a temperature above
-15 °C.
Refer to the manufactures in-
structions.
Let the battery charger cool
down below 50 °C.
If the battery charger is connect-
ed to an AC source, reset the AC
connection.
If the battery charger is connect-
ed to a DC source, ensure that
the battery voltage is below
15.7 V.
If the battery charger is connect-
ed to an AC source, reset the AC
connection
Reconnect the D+ connection.
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