Huawei LUNA2000-200KWH-2H1 - I;O Expansion Board

Indicators
Table 2-13 Indicator description
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.
2.4.2.2 I/O Expansion Board
The I/O expansion board controls and monitors the door status sensor, sensors,
and air conditioners in the ESS, connects cables to the
re suppression system, and
black starts the system.
LUNA2000-200KWH-2H1 Smart String ESS
User Manual 2 Product Description
Issue 03 (2023-03-30) Copyright © Huawei Digital Power Technologies Co., Ltd. 39