Sungrow SG30CX, User Manual

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table 2-1 LED Indicator State Description
LED Color State Definition
Blue
On
The device is connected to the grid and operating
normally.
Fast blink
(Period: 0.2s)
The Bluetooth connection is established, and there is
data communication.
No system fault occurs.
Slow blink
(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.
Blink
The Bluetooth connection is established, data commu-
nication in process, and a system fault occurs.
Gray
OFF
Both the AC and DC sides are powered down.
Voltage may still be present in AC side circuits after the indicator is off. Pay atten-
tion to the electricity safety when operating.
2.5 DC Switch
The DC switch is used to disconnect the DC current safely whenever necessary.
The SG30CX-NI and SG50CX-NI is not equipped with DC switch.
The SG30CX and SG33CX is equipped with one DC switch to control the connection and
disconnection of all DC terminals.
The SG40CX and SG50CX are equipped with two DC switches separately controlling a
group of DC inputs. The correspondence is as follows:
2 Product Description User Manual