Huawei LUNA2000-2.0MWH-1H0 User Manual page 158

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