Fault code
INVT GD20 OV1 Over-voltage when acceleration
Possible causes
- The input voltage is abnormal.
- There is large energy feedback.
- No braking components.
- Braking energy is not open
Recommended checks and actions
- Check the input power
- Check if the DEC time of the load is too short or the inverter starts during the rotation of the motor or it needs to increase the energy consumption components.
- Install the braking components.
- Check the setting of relative function codes.
Technical source
INVT GD20 Manual EN - P07.27 Current fault type — page 62
INVT GD20 Manual EN - Fault tracking — page 93
Manual tiếng Việt INVT GD20 - Xử lý lỗi — page 83