Fan 1 error

What does 326 mean?

This code indicates an error with Fan 1, one of the inverter's internal cooling fans. A fan malfunction can lead to insufficient cooling and subsequent overtemperature conditions, causing a short-term interruption in energy feeding.

• Fan 1 motor failure or blockage by debris.
• Faulty fan speed sensor or control circuit.
• Disconnection of the fan power supply or signal cable.

Click steps to track your progress.

1. 1

   If the status code is displayed continuously, notify a Fronius-trained service engineer for fan inspection and replacement.

2. 2

   Inspect Fan 1 for any visible obstructions or damage.

3. 3

   Perform an AC reset to attempt to clear transient fan control errors.