Guard cannot be found

Hva betyr 450 ?

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

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1. 1

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