Huawei LUNA2000-2.0MWH Series - Page 220

Alarm
ID
Alarm
Name
Severity Possible Cause Suggestion
3030 Battery
Module
Fan Fault
Major Cause ID = 1
1. The fan is short-
circuited.
2. The power supply is
insucient.
3. The fan is damaged.
4. The fan is stuck.
1. Determine the positions of the
input and output circuit breakers
of the ESC corresponding to
[ESR-CabinetNo ESM-SlotNo].
2. 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.
3. Replace the fan if it is damaged,
clear the foreign matter if there
are any, and rectify power supply
failure if any.
4. 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.
5. If the alarm persists, contact
your dealer or technical support.
3031
Battery
Pack
Temperatu
re
Imbalance
Minor Cause ID = 1
Temperature imbalance
occurs between cells in
the battery pack.
1. Determine the positions of the
input and output circuit breakers
of the ESC corresponding to
[ESR-CabinetNo ESM-SlotNo].
2. 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.
3. Check whether an air
conditioner or battery pack fan
has generated a fault alarm.
Rectify the fault based on the
alarm handling suggestions.
4. 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.
5. If the alarm persists, 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. 210