Huawei Smart String ESS LUNA2000-200KWH-2H1 - Page 154

LUNA2000-200KWH-2H1 Smart String ESS
User Manual
6 Alarm Reference
Issue Draft (2022-10-30)
Copyright © Huawei Technologies Co., Ltd.
147
Alarm
ID
Alarm
Name
Severity
Possible Cause
Suggestion
dealer or technical support.
3047
Battery
Pack
Undervoltag
e
Major
Cause ID = 1, 2
1. The voltage of the
battery pack or its cell
is too low.
2. The battery pack has
been stored for a long
period of time.
3. The battery pack has
been idle for a long
time after grid
connection.
1. The 3047-1 (battery pack
undervoltage protection) and 3047-2
(cell undervoltage protection) alarms
do not affect the running of other
battery packs.
2. Connect to the power grid and charge
batteries in 48 hours.
3. If the alarm persists after the battery
has been charged for one hour,
contact your dealer or technical
support.
Cause ID = 4
1. The voltage of the
battery pack or its cell
is too low.
2. The battery pack has
been stored for a long
period of time.
3. The battery pack has
been idle for a long
time after grid
connection.
1. Determine the positions of the input
and output circuit breakers of the
ESC corresponding to
[ESR-CabinetNo ESM-SlotNo].
2. Issue a shutdown command, turn off
the switch on the battery side, the
switch on the bus side, and the AC
power supply switch, and wait for 5
minutes.
3. 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.
4. If the alarm persists, contact your
dealer or technical support.
3048
ESM
Auxiliary
Power
Supply
Fault
Warning
Cause ID = 1
The black start auxiliary
power supply relay control
is faulty.
1. System running is not affected.
2. Locate the input and output circuit
breakers associated with [ESC-No].
3. Issue a shutdown command, turn off
the switch on the battery side, the
switch on the bus side, and the AC
power supply switch, and 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 your
dealer or technical support.
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.