0012

Read access only

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

What does 0012 mean?

This PROFIBUS-DP additional code (Error Class 8, 'Other Error') occurs when an attempt was made to write to a parameter via PROFIBUS-DP that is designated as read-only. The inverter rejects the write request for parameters that cannot be modified.

Common Causes

  • Attempting to write a value to a parameter that is configured for read-only access.
  • Security setting prevents modification of this specific parameter.
  • Parameter is dynamically set and cannot be manually overwritten.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Check bits 0 and 1 in the PROFIBUS-DP parameter channel to ensure correct service code and length specification in the telegram.

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Verified technical data. Last updated: March 2026

Related Faults

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