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ErrorLib — Industrial Fault Code Library

Disclaimer: ErrorLib is an independent technical reference tool. While we aim for accuracy, always verify with the manufacturer’s official service manuals before performing maintenance on industrial equipment. ErrorLib is not affiliated with the brands listed.

57

Identification Run Failed

Vacon · NX All-in-One Application

What does 57 mean?

The motor identification run has failed. This can occur if the run command was removed prematurely during the process, the motor is not properly connected to the AC drive, or if there is mechanical load present on the motor shaft during the identification procedure.

Common Causes

  • Motor identification parameters not set correctly or failed during autotune.
  • Incorrect motor data entered into parameters (e.g., P3-01 to P3-10).
  • Mechanical issues preventing successful identification run (e.g., binding).
  • Encoder signal lost or faulty during identification.
  • Insufficient voltage to perform identification.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Ensure the run command remains active throughout the entire identification run process.

  2. 2

    Verify that the motor is correctly wired and securely connected to the AC drive output terminals.

  3. 3

    Remove any mechanical load from the motor shaft before initiating an identification run.

Browse all codes in this manual (42)
Verified technical data. Last updated: April 2026

Related Faults

1Overcurrent10Input line supervision11Output phase supervision
Source: Vacon NX All-in-One Application
Open Manual (Page 377)Search more codes in this manual