12

Resolver 14-bit

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

What does 12 mean?

Emergency stop occurs because 14-bit resolver evaluation is active, and the actual motor speed exceeds 3600 1/min. The resolver feedback system is not designed for accurate operation above this speed.

Common Causes

  • The resolver feedback system is not providing valid or consistent positional data.
  • Faulty resolver or resolver interface board.
  • Signal interference or connection issues with the resolver wiring.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Set parameter P302 (Maximum speed 1) to a maximum value of 3600 1/min.

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Verified technical data. Last updated: March 2026

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Source: SEW Eurodrive MOVIDRIVE compact System (MCF/MCV/MCS4_A)