Introduction
2.3.3
Status indicators
The indicators on the front of a battery module show its operating state.
Normal
SOC ≥ 75%
SOC ≥ 50%
SOC ≥ 25%
SOC < 25%
Voltage imbalance
Warning
Fault 1
Fault 2
Green indicator
: The first indicator on the left is on solid
GREEN
to show that the
module is operating normally. While the module is initialized, only this indi-
cator is on.
Blue indicators
: In normal operation, the four indicators on the right show the mod-
ule’s state of charge (SOC). Each indicator represents 25% of a full charge. If
the SOC value is 50%, the three rightmost indicators are on solid
BLUE
. The
blue indicators of the slave modules look as below.
Whereas, the leftmost blue indicator on the master module flashes.
The blue indicators are also used to show the battery module’s model number
and ID. See
on page 24 and
on page 30 for details.
Voltage imbalance
: In the course of activating the ESS, the two leftmost indicators
may turn on simultaneously temporarily due to voltage imbalance between the
battery modules.
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