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Problem
The charging process is slow.
The battery is no longer charging.
The vehicle does not start.
The LiFePo4 battery does not charge.
The starting battery does not charge.
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.
Possible cause
The battery is significantly sulfated.
The battery is defective.
The battery charger is connected to
the mains. The connected relay pre-
vents the vehicle from starting.
The supplied voltage is too low. The
battery charger indicates the low volt-
age as not safe.
No AC source is available.
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).
Suggested remedy
Check the voltages. Measure
directly at the terminals/their
screws for this purpose.
Replace the battery.
Replace the battery.
Disconnect the battery charger
from the mains.
Restart the charging process
(see
Charging the starting bat
tery using the house battery
page 20).
1.
Ensure that the AC connection is
connected correctly.
2.
Ensure that voltage is present.
3.
Charge the starting battery us-
ing the house battery voltage by
pressing the jump starter button
for at least 2 s.
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.
EN
on
21
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