SMA · Sunny Boy Inverters
A red LED glowing steadily indicates that an event or error has occurred with the inverter. A specific event message and number will be available on the inverter user interface or communication product.
Click steps to track your progress.
Check the inverter user interface or communication product for the specific event message and number.
Refer to the troubleshooting section of the manual for the displayed event number.
If a specific fix is not obvious, contact service with the exact event number.
Ensure all wiring connections are secure and undamaged.