Huawei LUNA2000-2.0MWH-1H0 - Page 160

Alar
m ID
Alarm
Name
Severit
y
Possible Causes Troubleshooting Suggestions
3030 Battery
Module
Fan Fault
Major Cause ID = 1
The fan is short-
circuited.
The power supply is
insucient.
The fan is damaged.
The fan is blocked.
1. Determine the position of the input
and output circuit breakers
associated with the ESC
corresponding to [ESR-CabinetNo
ESM-SlotNo].
2. Send a shutdown command, turn
o
the battery switch, bus switch, and
AC power supply switch, and wait for
5 minutes.
3. Check whether the fan plate is
damaged, clear the foreign matter
around the fan, check whether the
power supply is normal, and reinstall
the fan.
4. Turn on the AC power supply switch,
battery switch, and bus switch in
sequence to deliver a startup
command.
5. If the alarm persists, contact your
dealer or technical support.
3031 Battery
Pack
Temperatu
re
Imbalance
Minor Cause ID = 1
The temperature
between
electrochemical cells in
the battery module is
unbalanced.
1. Determine the position of the input
and output circuit breakers
associated with the ESC
corresponding to [ESR-CabinetNo
ESM-SlotNo].
2. Send a shutdown command, turn
o
the battery switch, bus switch, and
AC power supply switch, and wait for
5 minutes.
3. Check whether the air conditioners
and fans work properly and whether
the ambient temperature is too high.
4. Turn on the AC power supply switch,
battery switch, and bus switch in
sequence to deliver a startup
command.
5. If the alarm persists, contact your
dealer or technical support.
LUNA2000-2.0MWH-1H0, 2H0 Smart String ESS
User Manual 10 Alarm Reference
Issue 02 (2021-11-15) Copyright © Huawei Technologies Co., Ltd. 152