Huawei LUNA2000-2.0MWH-1H0 User Manual page 156

LUNA2000-2.0MWH-1H0, 2H0 Smart String ESS
User Manual
Alar Alarm
m ID Name
3023 Cluster
Controller
Battery
Terminal
Overtemp
erature
3024 Cluster
Controller
Bus
Terminal
Overtemp
erature
3025 The
cluster
controller
version
does not
match.
Issue 02 (2021-11-15)
Severit Possible Causes
y
Major Cause ID = 1-3
Battery terminals are
not securely connected.
Major Cause ID = 1-3
The bus terminal is not
securely connected.
Minor Reason ID = 1–2
The upgrade does not
complete normally.
Copyright © Huawei Technologies Co., Ltd.
Troubleshooting Suggestions
1. Determine the position of 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. 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.
1. Determine the position of 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. 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.
1. Version mismatch on [ESC-No].
Please update.
2. If the update fails for multiple times,
contact your dealer or Huawei
technical support.
10 Alarm Reference
148