Alarm
ID
Alarm
Name
Severity Possible Cause Suggestion
Cause ID = 2
The rapid shutdown
cabling in the battery
rack is incorrect.
If the system is in the array topology
identication process, wait until the
process is complete or exit the
process.
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,
the switch on the bus side, and
the AC power supply switch, and
wait for 5 minutes.
3. Check whether the rapid
shutdown cables in the battery
racks under [ESR-CabinetNo] are
correctly connected by referring
to the product maintenance
manual.
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.
Cause ID = 3
The power-on self-test
was terminated due to
a system exception.
1. Check other active alarms of the
device and rectify the faults based
on the alarm handling
suggestions.
2. If the alarm persists after the
system is reset, 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. 204