Huawei LUNA2000-2.0MWH-1H0 User Manual page 165

LUNA2000-2.0MWH-1H0, 2H0 Smart String ESS
User Manual
Alar Alarm
m ID Name
3038 Optimizati
on unit
terminal
overtempe
rature
3039 The
optimizati
on unit
version
does not
match.
Issue 02 (2021-11-15)
Severit Possible Causes
y
Major Cause ID = 1
The terminal is not
securely connected.
Major Reason ID = 1–2
The upgrade does not
complete normally.
Copyright © Huawei Technologies Co., Ltd.
Troubleshooting Suggestions
1. Confirm the [ESR-CabinetNo ESM-
SlotNo] position and the
corresponding input and output
circuit breakers.
2. Send a shutdown command, turn off
the battery switch, bus switch, and
AC power supply switch, and wait for
5 minutes.
3. Check the cable connections to
battery modules and optimization
units by referring to the quick
installation guide.
4. Check that the power cables are
securely connected. Turn on the AC
power supply switch, battery switch,
and bus switch in sequence to deliver
a startup command.
5. If the alarm persists, contact your
dealer or technical support.
1. The optimization unit version in
[ESR-CabinetNo ESM-SlotNo] does
not match. Please perform the
upgrade again.
2. If the update fails multiple times,
contact your dealer or technical
support.
10 Alarm Reference
157