Sungrow SG125HV-30, User Manual

Page: 21 / 105

User Manual 1 Product Description
11
LED indicator LED color LED state Definition
connected, the communication
channel has no data interaction
OFF
No device connected to the
inverter through the Bluetooth.
Periodical
flash
The Bluetooth communication is
connected and there is data
communication
Communication
Blue
OFF
The RS485 communication cable
is
not connected or the
communication channel has no
data interaction
Periodical
flash
The RS485 communication cable
is
connected and the
communication channel has data
interaction
Fault/PID
- OFF
No alarm or fault has occurred
and
PID function is not enabled
Red
ON
A fault occurred and the device
cannot connect to the gird
Periodical
flash
Fault recovery
Green
ON PID function is running
Periodical
flash
PID function exception
Earth
impedance
abnormal
Red
OFF No fault occurred
ON
An earth impedance short-circuit
fault occurred (the device cannot
connect to the grid)
Normal
operation
Green
OFF
Both the AC and DC is powered
down, or a fault occurs
Periodical
flash
The DC or AC is powered on and
the device is in standby or startup
state (not feeding power to the
gird)
ON
The device is connected to the
grid and operating normally
1.2.5 DC Switch
The DC switch is used to disconnect the DC current safely whenever necessary.
The inverter operates automatically when input and output requirements are met.