Huawei SUN2000-196KTL-H3 Series - Page 20

19
Display Category
Indicator Status
Description
Grid connection
indication
LED2
LED4
-
Steady green
-
The SUN2000 has connected to the power grid.
Blinking green
at short
intervals
Steady
red
An environmental fault occurs at AC side.
Off
-
The SUN2000 does not connect to the power grid.
Communications
indication
LED3
-
Blinking green at short
intervals
The SUN2000 receives data over RS485 or MBUS
communication.
Off
The SUN2000 has not received data over RS485
or MBUS communication for 10 seconds.
Alarm/O&M
indication
LED4
-
Steady red
A warning alarm is generated.
If the PV connection indicator and grid connection
indicator are both not blinking green fast, replace
components or the solar inverter as instructed by
the SUN2000 app.
Blinking red at short
intervals
A minor alarm is generated.
Blinking red at long
intervals
A major alarm is generated.
Steady green
Local maintenance succeeds.
Blinking green at long
intervals
In local maintenance or shuts down over a
command.
Blinking green at short
intervals
Local maintenance fails.
Off
No alarm is generated, and no local maintenance
operations are performed.