Victron energy Phoenix MultiPlus Compact 48/2000/25 Manuel page 25

Problem Cause
The charger is The AC input voltage or frequency
not functioning is out of range.
The thermal circuit breaker has
tripped.
The battery is Incorrect charging current.
not being
charged fully.
A defective battery connection.
The absorption voltage has been
set to an incorrect value.
The float voltage has been set to
an incorrect value.
The internal DC fuse is defective.
The battery is The absorption voltage has been
overcharged. set to an incorrect value.
The float voltage has been set to
an incorrect value.
A defective battery.
The battery is too small.
The battery is too hot.
Battery charge Alt. 1: Battery overtemperature
current drops to (> 50° C)
0 when the
absorption
voltage is
Alt 2: Battery temperature sensor
reached
faulty
Solution
Ensure that the input voltage is
between 185 Vac and 265 Vac,
and that the frequency matches
the setting.
Reset the 30
A thermal circuit breaker.
Set the charging current at
between 0.1 and 0.2x battery
capacity.
Check the battery terminals.
Adjust the absorption voltage to
the correct value.
Adjust the float voltage to the
correct value.
Inverter is damaged.
Adjust the absorption voltage to
the correct value.
Adjust the float voltage to the
correct value.
Replace the battery.
Reduce the charging current or
use a battery with a higher
capacity.
Connect a temperature sensor.
- Allow battery to cool down
- Place battery in a cool
environment
- Check for shorted cells
Unplug battery temperature sensor
from the Multi.
Reset the Multi by switching it off,
then wait for 4 seconds and switch
it on again
If the Multi now charges normally,
the battery temperature sensor is
faulty and needs to be replaced
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