F108-95

Internal RAM fault

SEW Eurodrive · MOVIDRIVE MDX60B/61B Variable Speed Drive

What does F108-95 mean?

An internal fault has been detected in the RAM of the DCS..B option. This suggests an issue with the memory component crucial for operation.

Common Causes

  • RAM integrity check failed during startup or runtime.
  • Data corruption in critical RAM memory blocks (e.g., parameter storage).
  • Insufficient power supply to RAM modules.

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

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