Huawei LUNA2000-200KWH-2H1 User Manual page 206

LUNA2000-200KWH-2H1 Smart String ESS
User Manual
Alar Alarm
m ID Name
3046 Battery
Expansion
Module
Temperatu
re Low
3047 Battery
Expansion
Module
Undervolt
age
Issue 03 (2023-03-30)
Severit Possible Cause
y
Major Cause ID = 1, 2
The ambient
temperature is too low
that it activates the
charge/discharge
protection.
Major Cause ID = 1, 2, and 4
1. Battery expansion
module is
undervoltage or the
cell voltage inside
the module is too
low.
2. Battery expansion
module stores the
energy for long when
off-grid.
3. Battery expansion
module does not
work for long after
getting on-grid.
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. Check whether the air conditioner is
working properly. If the air
conditioner is abnormal, rectify the
fault by referring to the
troubleshooting suggestions.
3. If the air conditioner is normal, 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.
4. 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.
5. If the alarm persists, contact the
vendor or technical support.
Cause ID = 1, 2
1. Connect to the power grid and
charge batteries within 48 hours.
2. If the alarm persists after the battery
has been charged for one hour,
contact your vendor or technical
support.
13 Alarm Reference
197