Huawei LUNA2000-2.0MWH Series - Page 208

Alarm
ID
Alarm
Name
Severity Possible Cause Suggestion
3024 Bus
Terminal
Overtemp
erature on
Rack
Controller
Major Cause ID = 1–3
The bus terminal is
not securely
connected.
1. Determine the positions of the
input and output circuit breakers
associated with [ESC-No] and the AC
input power switch of the PSU.
2. Issue a hibernation command to
all ESRs, and turn
o the switch on
the battery side, the switch on the
bus side, and the AC input power
switch of the PSU. Then wait for 5
minutes.
3. Check whether the torque of the
bolts on the bus side of the power
control module meets the
requirements by referring to the
DCDC replacement section in the
maintenance manual of the product.
4. After checking that the battery
power cable is correctly connected,
turn on the AC input power switch
of the PSU, the switch on the battery
side, and the switch on the bus side
in sequence, and issue a running
command.
5. If the alarm persists, contact your
dealer or technical support.
3025
Rack
Controller
Version
Mismatch
Minor Cause ID = 1, 2
The update failed.
1. Version mismatch on [ESC-No].
Please update.
2. If the update fails multiple times,
contact your dealer or technical
support.
3026 Internal
Fan of
Rack
Controller
Fault
Warning Cause ID = 1, 2
The internal fan is
short-circuited, the
power supply is
insucient, or the fan
is damaged.
1. Locate the input and output
circuit breakers associated with
[ESC-No].
2. Issue a shutdown command, turn
o the switch on the battery side
and then the switch on the bus
side, and wait for 5 minutes.
3. Turn on the switch on the battery
side and the switch on the bus
side in sequence, and issue a
startup command.
4. If the alarm persists, contact your
dealer or technical support.
LUNA2000-2.0MWH Series Smart String ESS
User Manual 10 Alarm Reference
Issue 08 (2022-11-15) Copyright © Huawei Technologies Co., Ltd. 198