What does OV-G-V01 error mean on a Haier H3PH-1J6K-EU Inverter?
- DDr. Steven Cochran MDSep 8, 2025
If your Haier Inverter shows the error OV-G-V01, confirm whether the power grid is abnormal and that the AC cable is properly connected. Restart the system and check if the fault persists.