Huawei LUNA2000-200KWH-2H1 User Manual page 187

LUNA2000-200KWH-2H1 Smart String ESS
User Manual
Alar Alarm
m ID Name
3034 Rack
Controller
Cable
Connectio
n
Abnormal
Issue 03 (2023-03-30)
Severit Possible Cause
y
Major Cause ID = 1
The battery rack and its
power module are
connected incorrectly.
Cause ID = 2
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 power cable and
J1/J2 communications cable (aviation
plug) on the battery side of the [ESR-
CabinetNo] rack controller are
correctly connected.
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 power cables are securely
connected and the auxiliary power
supply switch is turned on, 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.
6. 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
178