Frequently asked questions
What is an SoF fault on an ATV312 drive?
FA281349
21 July 2022
Issue:SoF fault on an ATV312 drive
Product Line:
Altivar 312
Environment:
All
Cause:
Instability. Driving load too high.
Resolution:
Check the motor, gain, and stability.
Adding a braking resistor if application requires it.
Check the size of the motor/drive/load.