Installation manual

84
Troubleshooting
9. Troubleshooting
LED Indicator (Green/Red)
Green - ON: Operating
Blinking: Countdown
Red - ON: Error/Fault
Blinking: Warning
Figure 9.6.: LED Indicator
Message RedLED
on
RedLED
blinks
Solution
Errors
AC Freq High X ► Check grid frequency on the inverter
terminal
► Check the country setting
AC Freq Low X ► Check grid frequency on the inverter
terminal
► Check the country setting
Grid Quality X ► Check the harmonics of the grid volt-
age
► Grid connection of the inverter may
need to be further away from a non-
linear load.