Dc Switch - Sungrow SG5KTL-MT User Manual

2 Product Description
L L E E D D i i n n d d i i c c a a t t o o r r
Communicatio-
n
Fault/PID
Earth
impedance
abnormal
Normal
operation

2.2.5 DC Switch

The DC switch is used to disconnect the DC current safely whenever necessary.
8
L L E E D D c c o o l l o o r r L L E E D D s s t t a a t t e e
OFF
Flashing
Blue
OFF
ON
Red
Flashing
ON
Green
Flashing
-
OFF
ON
Red
OFF
ON
Flashing
Green
OFF
D D e e f f i i n n i i t t i i o o n n
No device is connected to the inverter
through the bluetooth
The communication cable or
communication module has been
connected, and there is data
exchange in the communication
channel
Neither the communication cable nor
the communication module is
connected, or there is no data
exchange in the communication
channel
A fault has occurred (the device
cannot feed power into the grid)
The fault is being restored
PID function is running
PID function exception
No alarm or fault has occurred and
PID function is not enabled
An earthing short circuit has occurred
(the device cannot feed power into
the grid)
No fault occurs
The device is connected to the grid
and operates normally
The DC or AC side has been powered
on and the device is in standby or
startup state (has not fed power into
the gird)
Both the AC and DC sides have been
powered off, or a fault occurs
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