HID range error

¿Qué significa 421 ?

An error has occurred related to the Human Interface Device (HID) range. This typically points to an internal communication or identification issue within the inverter's control system.

• Internal communication error within the control system
• Fault related to the device's human interface components

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1. 1

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