Victron energy MultiPlus 12/800/35, Manual

Page: 20 / 120

20
Problem Cause Solution
The charger is not
functioning The AC input voltage or frequency
is out of range Ensure that the input voltage is
between 185Vac and 265Vac,
and that the frequency matches
the setting.
The battery is not
being charged fully Incorrect charging current Set the charging current at
between 0.1 and 0.2x battery
capacity.
A defective battery connection Check the battery terminals.
The absorption voltage has been
set to an incorrect value Adjust the absorption voltage to
the correct value.
The float voltage has been set to
an incorrect value Adjust the float voltage to the
correct value.
The internal DC fuse is defective Inverter is damaged.
The battery is
overcharged The absorption voltage has been
set to an incorrect value Adjust the absorption voltage to
the correct value.
The float voltage has been set to
an incorrect value Adjust the float voltage to the
correct value.
A defective battery Replace the battery.
The battery is too small Reduce the charging current or
use a battery with a higher
capacity.
The battery is too hot Connect a temperature sensor.
Battery charge
current drops to 0
when the absorption
voltage is reached Alt. 1: Battery overtemperature
(> 50°C) - Allow battery to cool down
- Place battery in a cool
environment
- Check for shorted cells
Alt 2: Battery temperature sensor
faulty Unplug battery temperature
sensor from the MultiPlus.
Reset the MultiPlus by switching
it off, then wait for 4 seconds and
switch it on again.
If the MultiPlus now charges
normally, the battery temperature
sensor is faulty and needs to be
replaced.