FAQ\Hybrid INV

Issue introduction:

The inverter screen displays:Earth relay fault.

Confirmation of basic information：

[Photo]SN numbers of the inverter.

Guidance for installer

Step1: Upgrade the firmware version to the latest.

Step2:This usually occurs during the switch between grid-connected and off-grid modes. Try toggling a few times to see if the error is triggered again.

Information check list :

If you have completed the above <Guidance for installer>, and the problem is still not solved, please collect the following troubleshooting information and send them to the Solax technical support team.

1.[Photo]SN numbers of the inverter.

2.[Video]On grid and off grid switching.