Huawei LUNA2000-2.0MWH Series - Page 226

Alarm
ID
Alarm
Name
Severity Possible Cause Suggestion
3046 Battery
Pack
Temperatu
re Low
Major Cause ID = 1, 2
The ambient
temperature is too low,
which triggers charge
or discharge protection.
1. The 3046-1 alarm (low
temperature protection during
battery charge) does not aect
the running of other battery
packs.
2. Determine the positions of the
input and output circuit breakers
of the ESC corresponding to
[ESR-CabinetNo ESM-SlotNo].
3. Issue a shutdown command,
turn
o the switch on the
battery side, the switch on the
bus side, and the AC power
supply switch, and wait for 5
minutes.
4. Check whether the air
conditioner is running properly.
5. 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.
6. If the alarm persists, contact
your dealer or technical support.
3047
Battery
Pack
Undervolt
age
Major Cause ID = 1, 2
1. The voltage of the
battery pack or its
cell is too low.
2. The battery pack has
been stored for a
long period of time.
3. The battery pack has
been idle for a long
time after grid
connection.
1. The 3047-1 (battery pack
undervoltage protection) and
3047-2 (cell undervoltage
protection) alarms do not aect
the running of other battery
packs.
2. Connect to the power grid and
charge batteries in 48 hours.
3. If the alarm persists after the
battery has been charged for
one hour, contact your dealer or
technical support.
LUNA2000-2.0MWH Series Smart String ESS
User Manual 10 Alarm Reference
Issue 08 (2022-11-15) Copyright © Huawei Technologies Co., Ltd. 216