Guard cannot be found

What does 450 mean?

An internal safety or monitoring component, referred to as the 'Guard', is not detected or communicating properly within the inverter. This indicates a critical internal system fault.

• Internal communication failure with the Guard module
• Malfunction or failure of the Guard component itself

Click steps to track your progress.

1. 1

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