Huawei LUNA2000-200KWH-2H1 User Manual page 191

LUNA2000-200KWH-2H1 Smart String ESS
User Manual
Alar Alarm
m ID Name
Issue 03 (2023-03-30)
Severit Possible Cause
y
Cause ID = 2
The rapid shutdown
cabling in the battery
rack is incorrect.
Cause ID = 3
The power-on self-test
was terminated due to
a system exception.
Copyright © Huawei Digital Power Technologies Co., Ltd.
Suggestion
If the system is in the array topology
identification process, wait until the
process is complete or exit the process.
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 off 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 rapid shutdown
cable in battery rack [ESR-CabinetNo]
is correctly connected.
4. Check that the power cable is
securely connected. Turn on the AC
input 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 the
vendor or technical support.
1. Check whether the battery rack
circuit breaker associated with [ESC-
No] is turned on.
2. Check other active alarms of the
device and rectify the faults based on
the alarm handling suggestions.
3. If the alarm persists after the system
is reset, contact your dealer or
technical support.
13 Alarm Reference
182