Sungrow SG285HX, User Manual

Page: 20 / 128

10
LED color State Definition
Red
On
A fault occurs and the device cannot connect to the
grid.
Twinkling
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 during operating.
2.5 DC Switch
The inverter is equipped with four DC switches which can safely disconnect it from PV
strings. Each switch controls the circuits corresponding to DC terminals in the area where
the switch is located.
2.6 Circuit Diagram
The following figure shows the main circuit of the inverter.
2 Product Description User Manual