Definition: Grid voltage exceeds the specified range
Possible Causes:
- Grid voltage is abnormal
- Power grid breaks down
- Cable connection between the inverter and the grid is poor
Solutions:
- Observe for 10 minutes and see whether the alarm will be eliminated automatically
- Check whether the grid voltage is within the specified range
- Check whether the cable between the inverter and power grid is disconnected or has any faults
- Contact after-sales service personnel