LUNA2000-200KWH-2H1 Smart String ESS
User Manual
Copyright © Huawei Technologies Co., Ltd.
Loose
Connection
of Battery
Pack
Copper Bar
Cause ID = 1
The copper bar of the
battery pack is loosely
connected.
1. Determine the position of
[ESR-CabinetNo ESM-SlotNo] and
the positions of the input and output
circuit breakers of the corresponding
ESC.
2. Issue a shutdown command, turn off
the switch on the battery side, the
switch on the bus side, and the AC
power supply switch, and wait for 5
minutes.
3. Check whether the copper bar
connection of battery pack meets the
torque requirements by referring to
the quick installation guide of the
product.
4. Check that the power cable is
securely connected. Turn on the AC
power supply switch, the switch on
the battery side, and the switch on the
bus side in sequence, and issue a
startup command.
5. If the alarm persists, contact your
dealer or technical support.
Cause ID = 2
The battery module SOH is
too low.
1. Determine the position of
[ESR-CabinetNo ESM-SlotNo] and
the positions of the input and output
circuit breakers of the corresponding
ESC.
2. Issue a shutdown command, turn off
the switch on the battery side, the
switch on the bus side, and the AC
power supply switch, and wait for 5
minutes.
3. Replace the battery pack by referring
to the product maintenance manual.
4. Check that the power and monitoring
cables are securely connected. Turn
on the AC power supply switch, the
switch on the battery side, and the
switch on the bus side in sequence,
and issue a startup command.
5. If the alarm persists, contact your
dealer or technical support.
Battery
Module
Overcurrent
Cause ID = 1
The battery pack has been
working beyond the
maximum operating
current for a long time.
1. Determine the positions of the input
and output circuit breakers of the
ESC corresponding to
[ESR-CabinetNo ESM-SlotNo].
2. Issue a shutdown command, turn off
the switch on the battery side, the
switch on the bus side, and the AC
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