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What causes a BrF Brake Feedback Fault on an ATV340 series drive?

Published date: 11 February 2019

Customer is experiencing BrF fault on an ATV340 series drive.

Product Line:

Brake Logic Control function is being used.

 The status of the brake feedback contact is not correct compared to the brake logic control.
 The brake does not stop the motor quickly enough (detected by measuring the speed on the "Pulse
input" input).

 Verify the brake feedback circuit.
 Verify the brake logic control circuit.
 Verify the brake behavior.


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