39
EN Appendix
The battery is not
completely charged.
Charging current excessively
high, causing premature
absorption phase.
Set the charging current to a
level between 0.1 and 0.2 times
the battery capacity.
Poor battery connection. Check the battery connections.
The absorption voltage has been
set to an incorrect level (too low).
Set the absorption voltage to the
correct level.
The float voltage has been set to
an incorrect level (too low).
Set the float voltage to the
correct level.
The available charging time is
too short to fully charge the
battery.
Select a longer charging time or
higher charging current.
The absorption time is too short.
For adaptive charging this can
be caused by an extremely high
charging current with respect to
battery capacity, so that bulk
time is insufficient.
Reduce the charging current or
select the ‘fixed’ charging
characteristics.
The battery is
overcharged.
The absorption voltage is set to
an incorrect level (too high).
Set the absorption voltage to
the correct level.
The float voltage is set to an
incorrect level (too high).
Set the float voltage to the
correct level.
Poor battery condition. Replace the battery.
The battery temperature is too
high (due to poor ventilation,
excessively high environmental
temperature, or excessively
high charging current).
Improve ventilation, install
batteries in a cooler
environment, reduce the
charging current, and connect
the temperature sensor.
The charging current
drops to 0 as soon as the
absorption phase initiates.
The battery is over-heated
(>50°C)
Install the battery in a
cooler environment
Reduce the charging
current
Check whether one of the
battery cells has an internal
short circuit
Defective battery temperature
sensor
Disconnect the temperature
sensor plug in the MultiPlus. If
charging functions correctly
after approximately 1 minute,
the temperature sensor should
be replaced.
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