Technical data

Chapter 5 Human Machine Interface
39
Light
out
In other operation state or no
working power supply
GRID
Grid state
indicator light
Light
up
Grid is normal
Blink
Grid abnormal (light up 0.5s, light
out 1.6s)
Light
out
No working power supply
FAULT
Fault state
indicator light
Light
up
Fault occurs
Slow
blink
Alarm occurs (light up 0.5s, light off
2s)
Quick
blink
Protective action (light up 0.5s, light
out 0.5s)
Light
out
No fault or no working power supply
Table 5-2 Definitions of the keys
Key Description Definition of function
Escape key Back/end/mute
Enter key
Confirm entering the
menu/confirm set point
Up Page up in selection menu
Down Page down in selection menu
Left -1 when setting parameters
Right +1 when setting parameters
5.2 Operation state
Table 5-1 indicates the definitions of LED, i.e. indicates
the information of the inverter’s operation state. It indicates