Issue:
SOF fault on ATV320

Product Line:
Altivar Machine, ATV12


Resolution:
• Check the motor
• Overspeed is 10% more than Maximum frequency tFr page 57 so adjust this parameter if necessary
• Add a braking resistor
• Check the size of the motor/drive/load
• Check parameters of the speed loop (gain and stability)

ATV user manual:
https://www.se.com/ww/en/download/document/BBV28581/

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Frequently Asked Questions - Schneider Electric (se.com)

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