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4. OPERATION
4.1. Display
LED indicator
Meaning
DC
Green LED solid light
PV connection normal
AC
Green LED solid light
Grid connection normal
Normal
Green LED solid light
Inverter functioning normally
Alarm
Red LED solid light
Fault
Function Key
Description
Esc
To exit the previous mode
Up
Increase the value of a setting
Down
Decrease the value of a setting
Enter
Confirm setting change (If not pressed each time the setting will not be saved)