LUNA2000-200KWH-2H1 Smart String ESS
User Manual
Copyright © Huawei Technologies Co., Ltd.
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.
Battery
Pack
Positions of
Rack
Controller
Abnormal
Cause ID = 1
1. The actual number of
battery packs is
different from the
configured value.
2. The system has not
identified the battery
pack address.
3. The battery pack has
been replaced and the
new address has not
been identified.
4. Cables of the battery
packs are not properly
connected.
1. Locate the input and output circuit
breakers associated with [ESC-No].
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. Check whether the communications
cable between battery packs under
[ESR-CabinetNo] are correctly
connected and whether the configured
number of battery packs matches the
actual number by referring to the
product maintenance manual.
4. After checking that the battery power
cable is correctly 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.
5. If the alarm persists, contact your
dealer or technical support.
Incorrect
Bus
Connection
on Rack
Controller
Cause ID = 1
The output buses are not
connected in parallel in
the 1C scenario.
If the system is in the array topology
identification 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 off
the switch on the battery side and then
the switch on the bus side, and wait
for 5 minutes.
3. Check whether the cable connection to
the bus side of the power control
module meets the 1C requirement by
referring to the quick installation
guide.
4. After checking that the battery power