Huawei Smart String ESS LUNA2000-200KWH-2H1 User Manual page 150

LUNA2000-200KWH-2H1 Smart String ESS
User Manual
Alarm Alarm
ID Name
Battery
3031
Pack
Temperatur
e Imbalance
3032 Battery
Pack
Overvoltage
Optimizatio
3036
n Unit of
Battery
Pack
Abnormal
Issue Draft (2022-10-30)
Severity Possible Cause
Minor Cause ID = 1
Temperature imbalance
occurs between cells in the
battery pack.
Major Cause ID = 1, 2
The voltage of the battery
pack or its cell is too high.
Major Cause ID = 1–4
A major fault has occurred
on the internal circuit of
the optimization unit in the
battery pack.
Copyright © Huawei Technologies Co., Ltd.
Suggestion
the foreign matter if there are any,
and rectify power supply failure if
any.
4. 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.
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
power supply switch, and wait for 5
minutes.
3. Check whether an air conditioner or
battery pack fan has generated a fault
alarm. Rectify the fault based on the
alarm handling suggestions.
4. 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.
1. The 3032-1 alarm (battery pack
overvoltage protection) does not
affect the running of other battery
packs.
2. Check the alarm module associated
with the corresponding ESC.
3. Issue a shutdown command and wait
for 5 minutes.
4. If the alarm is cleared, issue a startup
command. If the alarm persists for 20
minutes, contact your dealer or
technical support.
1. Determine the position of
[ESR-CabinetNo ESM-SlotNo] and
the positions of the input and output
circuit breakers of the 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.
6 Alarm Reference
143