Huawei LUNA2000-2.0MWH-1H0 User Manual page 160

LUNA2000-2.0MWH-1H0, 2H0 Smart String ESS
User Manual
Alar Alarm
m ID Name
3030 Battery
Module
Fan Fault
3031 Battery
Pack
Temperatu
re
Imbalance
Issue 02 (2021-11-15)
Severit Possible Causes
y
Major Cause ID = 1
The fan is short-
circuited.
The power supply is
insufficient.
The fan is damaged.
The fan is blocked.
Minor Cause ID = 1
The temperature
between
electrochemical cells in
the battery module is
unbalanced.
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Troubleshooting Suggestions
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 off
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.
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 off
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.
10 Alarm Reference
152