Huawei LUNA2000-200KWH-2H1 User Manual page 207

LUNA2000-200KWH-2H1 Smart String ESS
User Manual
Alar Alarm
m ID Name
3048 Battery
Pack
Auxiliary
Power
Supply
Fault
Issue 03 (2023-03-30)
Severit Possible Cause
y
Warnin Cause ID = 1
g
The black start auxiliary
power supply relay
control is faulty.
Cause ID = 2
The black start button is
faulty.
Cause ID = 3
The black start auxiliary
power supply cannot be
powered-off properly.
Cause ID = 4
The black start function
cannot be enabled.
Cause ID = 5
The primary and
secondary sources
disabling function is
faulty.
Copyright © Huawei Digital Power Technologies Co., Ltd.
Suggestion
Cause ID = 4
1. Determine the positions of the input
and output circuit breakers of the
ESC and the DC output power switch
of the PSU corresponding to [ESR-
CabinetNo ESM-SlotNo].
2. Issue a hibernation command to the
ESR corresponding to the ESC, and
turn off the switch on the battery
side, the switch on the bus side, and
the DC output 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 rack
controller are correctly connected.
4. Turn on the DC output 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. If the alarm ID is [3048-2], replace
the black start button.
2. Determine the positions of the input
and output circuit breakers
associated with [ESC-No] and the DC
output power switch of the PSU.
3. Issue a hibernation command to the
ESR corresponding to the ESC, and
turn off the switch on the battery
side, the switch on the bus side, and
the DC output switch of the PSU.
Then wait for 5 minutes.
4. 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 the
vendor or technical support.
13 Alarm Reference
198