Alarm
ID
Alarm
Name
Severity Possible Cause Suggestion
3039 Battery
Pack
Optimizati
on Unit
Version
Mismatch
Major Cause ID = 1, 2
The update failed.
1. The versions of optimization
units in [ESR-CabinetNo ESM-
SlotNo] do not match. Please
update.
2. If the update fails multiple
times, contact your dealer or
technical support.
3041 Loose
Connectio
n of
Battery
Pack
Copper
Bar
Major Cause ID = 1
The copper bar of the
battery pack is loosely
connected.
1. Determine the position of [ESR-
CabinetNo ESM-SlotNo] and the
positions of the input and output
circuit breakers of the
corresponding ESC.
2. Issue a shutdown command,
turn
o the switch on the
battery side, the switch on the
bus side, and the AC power
supply switch, and wait for 5
minutes.
3. Check whether the copper bar
connection of battery pack
meets the torque requirements
by referring to the quick
installation guide of the product.
4. Check that the power cable is
securely connected. Turn on the
AC power supply switch, the
switch on the battery side, and
the switch on the bus side in
sequence, and issue a startup
command.
5. 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. 213
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