Alar
m ID
Alarm
Name
Severit
y
Possible Cause Suggestion
Cause ID = 6, 7
A major fault occurred
on the battery pack.
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
o 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. Cross
verication: Swap the BMU of
the faulty battery pack with that of a
normal battery pack.
4. Turn on the PSU DC output switch,
switch on the battery side, and switch
on the bus side in sequence. After the
system is powered on, delete invalid
battery packs, reset ESUs, start
battery pack position detection, and
check whether the alarm is cleared.
5. If the alarm persists, contact the
vendor or technical support.
LUNA2000-200KWH-2H1 Smart String ESS
User Manual 13 Alarm Reference
Issue 03 (2023-03-30) Copyright © Huawei Digital Power Technologies Co., Ltd. 188
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