Huawei LUNA2000-2.0MWH-1H0 User Manual page 164

LUNA2000-2.0MWH-1H0, 2H0 Smart String ESS
User Manual
Alar Alarm
m ID Name
3036 The
optimizati
on unit is
abnormal.
3037 Optimizati
on unit
overtempe
rature
Issue 02 (2021-11-15)
Severit Possible Causes
y
Major Cause ID = 1–4
A major fault occurs on
the internal circuit of
the optimization unit in
the battery module.
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.
Copyright © Huawei Technologies Co., Ltd.
Troubleshooting Suggestions
1. Confirm the position of [ESR-
CabinetNo ESM-SlotNo] and the
corresponding input and output
circuit breakers of the ESC.
2. Send a shutdown command, turn off
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.
1. Confirm 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.
10 Alarm Reference
156