(13) 12 V output power port (14) AI port (15) DO port
(16) COM port (17) 24 V input power port (18) 12 V input power port
(19) Protective ground point - -
Indicators
Table 2-20 Indicators
Indicator Status Description
Running
indicator
(RUN)
Green o Not powered on
Blinking green slowly (on for 1s
and then o for 1s)
The communication with
the management system is
normal.
Blinking green fast (on for 0.125s
and then o for 0.125s)
The communication with
the management system is
interrupted.
Alarm/
maintenance
indicator
(ALM)
Alarm status Red o No system alarm is
generated.
Blinking red
slowly (on for 1s
and then o for
4s)
The system raises a
warning alarm.
Blinking red fast
(on for 0.5s and
then o for 0.5s)
The system raises a minor
alarm.
Steady red The system raises a major
alarm.
Maintenance
status
Green o No local maintenance is in
progress.
Blinking green
slowly (on for 1s
and then o for
1s)
Local maintenance is in
progress.
Blinking green
fast (on for
0.125s and then
o for 0.125s)
Local maintenance fails or
the connection to the app
is to be set up.
Steady green Local maintenance
succeeded.
LUNA2000-2.0MWH-1H0, 2H0 Smart String ESS
User Manual 2 Overview
Issue 02 (2021-11-15) Copyright © Huawei Technologies Co., Ltd. 41
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