Huawei LUNA2000-2.0MWH-1H0 - Page 158

Alar
m ID
Alarm
Name
Severit
y
Possible Causes Troubleshooting Suggestions
3054 The
cluster
controller
NTC is
abnormal.
Warnin
g
Reason ID = 1–2
The NTC is short-
circuited, open-circuited,
or not securely
connected.
1. Locate the input and output circuit
breakers associated with [ESC-No].
2. Send a shutdown command, turn o
the battery switch and then the bus
switch, and wait for 5 minutes.
3. Turn on the battery switch and then
the bus switch to deliver a startup
command.
4. If the alarm persists, contact your
dealer or technical support.
Table 10-3 BMU common alarms and troubleshooting measures
Alar
m ID
Alarm
Name
Severit
y
Possible Causes Troubleshooting Suggestions
3027 The
battery
module
monitorin
g board is
abnormal.
Major Cause ID = 1–20
The internal circuit of
the battery module
monitoring device is
faulty.
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. Turn on the AC power supply switch,
battery switch, and bus switch in
sequence to deliver a startup
command.
4. If the alarm persists, contact your
dealer or technical support.
3028 Battery
module
internal
error.
Major Cause ID = 1–8
A major fault occurs in
the battery module.
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.
3. Replace the battery module.
4. Contact the dealer or customer
service center.
LUNA2000-2.0MWH-1H0, 2H0 Smart String ESS
User Manual 10 Alarm Reference
Issue 02 (2021-11-15) Copyright © Huawei Technologies Co., Ltd. 150