Huawei LUNA2000-2.0MWH-1H0 - Page 164

Alar
m ID
Alarm
Name
Severit
y
Possible Causes Troubleshooting Suggestions
3036 The
optimizati
on unit is
abnormal.
Major Cause ID = 1–4
A major fault occurs on
the internal circuit of
the optimization unit in
the battery module.
1. Conrm the position of [ESR-
CabinetNo ESM-SlotNo] and the
corresponding input and output
circuit breakers of the ESC.
2. Send a shutdown command, turn o
the battery switch, bus switch, and
AC power supply switch, and wait for
5 minutes.
3. Turn on the AC power supply switch,
battery switch, and bus switch in
sequence, and send a startup
command.
4. If the alarm persists, contact your
dealer or technical support.
5.
3037 Optimizati
on unit
overtempe
rature
Minor Cause ID = 1-3
1. The installation
position of the
battery module is not
well ventilated.
2. The ambient
temperature is
excessively high.
3. The cluster controller
is abnormal.
4. The optimization unit
does not work
properly.
1. Conrm the position of [ESR-
CabinetNo ESM-SlotNo] and the
corresponding input and output
circuit breakers of the 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 is too high,
improve the ventilation and heat
dissipation.
4. If the ventilation and ambient
temperature meet requirements,
contact your dealer or technical
support.
LUNA2000-2.0MWH-1H0, 2H0 Smart String ESS
User Manual 10 Alarm Reference
Issue 02 (2021-11-15) Copyright © Huawei Technologies Co., Ltd. 156