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Possible causes:
1. Grid voltage is abnormal;
Power grid breaks down
2. Cable connection between the inverter and
the grid is poor;
Recommended solutions:
1. Observe for 10 minutes and see whether the
alarm will be eliminated automatically;
2. Check whether the grid voltage is within the
specified range;
3. Check whether the cable between the
inverter and power grid is disconnected or has
abnormalities;
4. Contact after-sales service personnel
3. GridF.OutLim
Definition:
Grid voltage frequency is abnormal, or power
grid is not detected
Possible causes:
1. Grid frequency has abnormalities;
2. Cable connection between the inverter and
the grid is poor;
Recommended solutions:
1. Observe for 10 minutes and see whether the
alarm will be eliminated automatically;
2. Check whether the grid frequency is within
the specified range;
3. Check whether the cable between the
inverter and power grid is disconnected or has
