Dc Switch - Sungrow SG30CX User Manual

2 Product Description
table 2-1 State description of the LED indicator
L L E E D D c c o o l l o o r r
Blue
Red
Gray

2.5 DC Switch

The DC switch is used to disconnect the DC current safely whenever necessary.
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:
* The image shown here is for reference only. The actual product received may differ.
8
S S t t a a t t e e D D e e f f i i n n i i t t i i o o n n
The device is connected to the grid and operating
On
normally.
Fast blink The Bluetooth communication is connected and
there is data communication.
(Period: 0.2s)
No system fault occurs.
Slow blink
The device is in standby or startup state (not feed-
(Period: 2s)
ing power into the grid).
A fault occurs and the device cannot connect to the
On
grid.
The Bluetooth communication is connected and
there is data communication.
Twinkling
System fault occurs.
Both the AC and DC sides are powered down.
OFF
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