Huawei LUNA2000-200KWH-2H1 - Page 199

Alar
m ID
Alarm
Name
Severit
y
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 faulty.
4. The fan is blocked.
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 PSU output DC
switch for the fan is turned on. If not,
turn it on. If yes, turn it
o and check
whether the 48 V power supply of
the battery pack is securely
connected.
3. Issue a hibernation command to the
ESR corresponding to the ESC, and
turn
o 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. Replace the fan if it is damaged,
clear the foreign matter if there are
any, and rectify power supply failure
if any.
5. 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.
6. If the alarm persists, contact the
vendor or technical support.
LUNA2000-200KWH-2H1 Smart String ESS
User Manual 13 Alarm Reference
Issue 03 (2023-03-30) Copyright © Huawei Digital Power Technologies Co., Ltd. 190