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What is an ASF fault on an ATV340 and how do I correct it?

Published date: 11 February 2019

Customer is experiencing ASF [Angle error] on an ATV340 series drive.

Product line:
ATV340 series.

Synchronous motor is being used.

For synchronous motors, wrong setting of the speed loop when the reference goes through 0.

 Verify the speed loop parameters.
 Verify the motor phases and the maximum current allowed by the drive.

This detected error can be cleared manually with the [Fault Reset Assign] rSF parameter after the cause
has disappeared.


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