Huawei LUNA2000-2.0MWH Series - Page 210

Alarm
ID
Alarm
Name
Severity Possible Cause Suggestion
3034 Rack
Controller
Cable
Connectio
n
Abnormal
Major Cause ID = 1
The cable connection
between the battery
rack and the
corresponding power
module is incorrect.
If the system is in the array topology
identication 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 cable
connection between battery rack
and power module under [ESR-
CabinetNo] is correct by referring
to the DCDC replacement section
in the maintenance manual of
the product.
4. Check whether the auxiliary
power supply of battery rack
[ESR-CabinetNo] is normal and
whether the auxiliary power
supply switch is turned on by
referring to the product
maintenance manual.
5. 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.
6. If the alarm persists, contact your
dealer or technical support.
Cause ID = 2
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. 200