Huawei LUNA2000-2.0MWH Series - Page 202

Table 10-3 ESC/BCU common alarms and troubleshooting measures
Alarm
ID
Alarm
Name
Severity Possible Cause Suggestion
3013 Battery
Pack
Communi
cation of
Rack
Controller
Abnormal
Major Cause ID = 1
The rack controller
failed to communicate
with the battery pack.
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
o 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
communication cable to battery
[ESR-CabinetNo ESM-SlotNo] is
correct.
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.
3014 Rack
Controller
Abnormal
Major Cause ID = 1–34
A major fault has
occurred on the
internal circuit of the
rack controller.
1. Locate the input and output
circuit breakers associated with
[ESC-No].
2. Issue a hibernation command to
the ESR corresponding to the ESC,
and turn
o the switch on the
battery side and the switch on the
bus side in sequence, and wait for
5 minutes.
3. Turn on 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.
3015 Battery
Side
Overvolta
ge on
Rack
Controller
Major Cause ID: 1–3
The battery side
voltage exceeds the
maximum operating
voltage of the power
module.
1. Check whether a battery pack
overvoltage alarm is generated in
the rack. If yes, clear the alarm by
referring to the alarm handling
suggestions.
2. If the alarm persists, contact your
dealer or technical support.
LUNA2000-2.0MWH Series Smart String ESS
User Manual 10 Alarm Reference
Issue 08 (2022-11-15) Copyright © Huawei Technologies Co., Ltd. 192