Huawei LUNA2000-2.0MWH Series - Page 222

Alarm
ID
Alarm
Name
Severity Possible Cause Suggestion
3037 Overtemp
erature on
Optimizati
on Unit of
Battery
Pack
Minor Cause ID = 1–3
1. The installation
position of the
battery pack is not
well ventilated.
2. The ambient
temperature is too
high.
3. The battery power
control module is
abnormal.
4. The optimization
unit is abnormal.
1. Determine the position of [ESR-
CabinetNo ESM-SlotNo] and the
positions of the input and output
circuit breakers of the
corresponding ESC.
2. Check the ventilation and
whether the ambient
temperature of the battery
exceeds the upper threshold.
3. If the ventilation is poor or the
ambient temperature exceeds
the upper threshold, improve the
ventilation and heat dissipation.
4. If the ventilation and ambient
temperature meet requirements,
contact your dealer or technical
support.
3038 Overtemp
erature on
Optimizati
on Unit
Terminal
of Battery
Pack
Major Cause ID = 1
The terminal is not
securely connected.
1. Determine the position of [ESR-
CabinetNo ESM-SlotNo] and the
positions of the corresponding
input and output circuit
breakers.
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 the cable connections of
the battery pack and
optimization unit by referring to
the product maintenance
manual.
4. Check that the power cable is
securely 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.
LUNA2000-2.0MWH Series Smart String ESS
User Manual 10 Alarm Reference
Issue 08 (2022-11-15) Copyright © Huawei Technologies Co., Ltd. 212