brF

Brake Feedback Error

Schneider Electric · Altivar Machine ATV320 Variable Speed Drive

What does brF mean?

A detected error in the feedback signal from the brake contactor. This means the drive cannot reliably confirm the state (engaged or disengaged) of the motor brake, which can lead to safety interlock issues or unexpected motor behavior.

Additional Steps

Steps 1–2 are listed in Priority Fix.

  1. 3

    Check any brake feedback sensor or switch for damage, misalignment, or proper activation.

  2. 4

    Ensure correct brake control and feedback parameters are configured in the drive.

Source: Schneider Electric Altivar Machine ATV320 Variable Speed Drive
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