Huawei LUNA2000-2.0MWH-1H0 - Page 156

Alar
m ID
Alarm
Name
Severit
y
Possible Causes Troubleshooting Suggestions
3023 Cluster
Controller
Battery
Terminal
Overtemp
erature
Major Cause ID = 1-3
Battery terminals are
not securely connected.
1. Determine the position of 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. Check whether the torque of the
bolts on the battery side of the power
control module meets the
requirements. For details, see the
DCDC replacement section in the
maintenance manual.
4. After verifying that the battery power
cable is correctly connected, turn on
the battery switch and bus switch in
sequence to send a startup
command.
5. If the alarm persists, contact your
dealer or technical support.
3024 Cluster
Controller
Bus
Terminal
Overtemp
erature
Major Cause ID = 1-3
The bus terminal is not
securely connected.
1. Determine the position of 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. Check whether the torque of the
bolts on the busbar side of the power
control module meets the
requirements by referring to the
DCDC replacement section in the
maintenance manual.
4. After verifying that the battery power
cable is correctly connected, turn on
the battery switch and bus switch in
sequence to send a startup
command.
5. If the alarm persists, contact your
dealer or technical support.
3025 The
cluster
controller
version
does not
match.
Minor Reason ID = 1–2
The upgrade does not
complete normally.
1. Version mismatch on [ESC-No].
Please update.
2. If the update fails for multiple times,
contact your dealer or Huawei
technical support.
LUNA2000-2.0MWH-1H0, 2H0 Smart String ESS
User Manual 10 Alarm Reference
Issue 02 (2021-11-15) Copyright © Huawei Technologies Co., Ltd. 148