Solid yellow LED - Inverter in standby or not configured

What does Yellow LED solid mean?

A solid yellow light on the operating status LED indicates the inverter is in standby mode, not operational (e.g., at night), or has not yet been configured for first-time use. It is not currently feeding power to the grid.

• Inverter is in night mode (no solar production)
• Inverter has not been fully configured after installation
• Temporary grid unavailability or other system pause

Click steps to track your progress.

1. 1

   Verify if it's daytime with sufficient sunlight for solar production.

2. 2

   If it's a new installation, follow the setup wizard in the Fronius Solar.start app to complete configuration.

3. 3

   If the inverter should be operating, check the Fronius Solar.start app for system status or notifications.