Huawei LUNA2000-200KWH-2H1 User Manual page 196

LUNA2000-200KWH-2H1 Smart String ESS
User Manual
Alar Alarm
m ID Name
3028 Battery
Pack
Abnormal
Issue 03 (2023-03-30)
Severit Possible Cause
y
Major Cause ID = 21
1. The BMU is
incompatible with
the battery pack.
2. The fan is faulty.
Major Cause ID = 1–5
A major fault occurred
on the battery pack.
Copyright © Huawei Digital Power Technologies Co., Ltd.
Suggestion
1. Determine the positions of the input
and output circuit breakers of the
ESC and the DC output power switch
of the PSU corresponding to [ESR-
CabinetNo ESM-SlotNo].
2. Issue a hibernation command to the
ESR corresponding to the ESC, and
turn off the switch on the battery
side, the switch on the bus side, and
the DC output switch of the PSU.
Then wait for 5 minutes.
3. Open the front panel of the battery
pack and compare the quantity of
fans in a normal battery pack with
that in the battery pack for which the
alarm is generated. If the quantity of
fans is different, replace the BMU. If
the quantity is the same, perform
steps 4 to 6.
4. Replace the fan if it is damaged,
clear the foreign matter if there are
any, and rectify power supply failure
if any.
5. Turn on the DC output switch of the
PSU, the switch on the battery side,
and the switch on the bus side in
sequence, and issue a running
command.
6. If the alarm persists, contact the
vendor or technical support.
1. Determine the positions of the input
and output circuit breakers of the
ESC and the DC output power switch
of the PSU corresponding to [ESR-
CabinetNo ESM-SlotNo].
2. Issue a hibernation command to the
ESR corresponding to the ESC, and
turn off the switch on the battery
side, the switch on the bus side, and
the DC output switch of the PSU.
3. Contact your dealer or technical
support to replace the battery pack.
13 Alarm Reference
187