Anti-islanding function is no longer implemented correctly

What does 456 mean?

A malfunction has occurred in the inverter's anti-islanding protection mechanism. This critical safety function ensures the inverter disconnects from the grid during power outages to protect utility workers.

• Internal fault in the anti-islanding detection circuitry
• Software error affecting the anti-islanding algorithm

Click steps to track your progress.

1. 1

   If this status code is displayed all the time, notify a Fronius-trained service engineer.