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ErrorLib — Industrial Fault Code Library

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39

Reference Travel Error

SEW Eurodrive · MOVIDRIVE compact System (MCF/MCV/MCS4_A)

What does 39 mean?

Immediate switch-off during reference travel because the reference cam is missing or not switching correctly, limit switches are connected incorrectly, or the reference travel type was changed while the process was active. This prevents the drive from accurately establishing its home position.

Common Causes

  • Error during the reference travel (homing) sequence.
  • Reference switch not detected or signal unstable during homing.
  • Motor moved in the wrong direction during homing.
  • Configuration parameters for reference travel are incorrect.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Check the reference cam for presence and proper switching functionality.

  2. 2

    Verify the limit switch connections are correct.

  3. 3

    Check the reference travel type setting and all required parameters for consistency and ensure no changes during active travel.

Browse all codes in this manual (78)
Verified technical data. Last updated: April 2026

Related Faults

00No error0000No error0010Illegal parameter index
Source: SEW Eurodrive MOVIDRIVE compact System (MCF/MCV/MCS4_A)
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