F108-85

Runtime fault

SEW Eurodrive · MOVIDRIVE MDX60B/61B Variable Speed Drive

What does F108-85 mean?

This fault indicates a general runtime issue within the DCS..B option. The root cause is not specified, suggesting an internal operational error.

Common Causes

  • Generic runtime fault indicating an abnormal operational state.
  • An issue detected within the control loop or motion execution.
  • Unexpected behavior during the continuous operation of the drive.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Replace DCS..B option.

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Verified technical data. Last updated: March 2026

Related Faults

F108-101Internal processing fault PROFIsafeF108-103Internal processing fault PROFIsafeF108-105Internal processing fault PROFIsafe
Source: SEW Eurodrive MOVIDRIVE MDX60B/61B Variable Speed Drive
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