18
table 2-7 LED indicator description
LED
indicat-
or
LED state Definition
Blue
ON
The device is connected to the grid and
operating normally.
Fast blink
(Period: 0.2s)
The Bluetooth communication is connected
and there is data communication.
No system fault occurs.
Slow flash
(Period: 2s)
The device is in standby or startup state (not
feeding power into the grid).
Red
ON
A fault occurs and the device cannot connect
to the grid.
Twinkling
The Bluetooth communication is connected
and there is data communication.
System fault occurs.
Off
OFF
Both the AC and DC sides are powered down.
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