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ErrorLib — Industrial Fault Code Library

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F109-72

Faulty switching behavior of the high-side driver DO1_P

SEW Eurodrive · MOVIDRIVE MDX60B/61B Variable Speed Drive

What does F109-72 mean?

A DC 24 V short circuit has been detected at the digital output DO1_P (X82:3) from the high-side driver. This indicates an electrical fault on the output channel.

Common Causes

  • High-side driver for digital output DO1_P is not switching correctly.
  • Overload condition or short circuit on DO1_P output.
  • Failure of the DO1_P output driver circuit.
  • Software command for DO1_P switching is erroneous.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Check wiring at digital output DO1_P (X82:3).

Browse all codes in this manual (60)
Verified technical data. Last updated: April 2026

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Source: SEW Eurodrive MOVIDRIVE MDX60B/61B Variable Speed Drive
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