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ErrorLib — Industrial Fault Code Library

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58

Mechanical Brake Status Mismatch

Vacon · NX Liquid-Cooled Drive

What does 58 mean?

The actual physical status of the mechanical brake (e.g., engaged or disengaged) does not correspond to the control signal issued by the drive. This discrepancy suggests either a mechanical failure of the brake, an issue with its wiring, or a problem with the drive's brake control output.

Common Causes

  • Actual mechanical brake status does not match the commanded status.
  • Brake activation or deactivation signal failure.
  • Brake status feedback sensor fault.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Physically inspect the mechanical brake to determine its actual engaged/disengaged state.

  2. 2

    Verify the electrical connections and wiring between the drive's brake control output and the mechanical brake actuator.

  3. 3

    Measure the voltage at the drive's brake control terminals to ensure the correct command signal is being sent.

Browse all codes in this manual (52)
Verified technical data. Last updated: April 2026

Related Faults

1Overcurrent10Input Phase Failure12Brake Chopper Supervision Fault
Source: Vacon NX Liquid-Cooled Drive
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