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ErrorLib — Industrial Fault Code Library

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08

Speed Monitoring Fault

SEW Eurodrive · MOVIMOT® MM..D with AC Motor DT/DV / Operating Instruc

What does 08 mean?

This fault indicates that the internal speed monitoring function has detected a condition where the actual speed deviates significantly from the commanded speed, typically due to excessive load. This fault occurs only when DIP switch S2/4 is set to 'ON', and can cause the motor to stall or operate outside its designed parameters.

Common Causes

  • High load on the drive exceeding its operational capacity.
  • DIP switch S2/4 is set to 'ON' and speed monitoring has triggered.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Reduce the mechanical load on the drive.

  2. 2

    Verify DIP switch S2/4 is correctly set if speed monitoring is intended to be active.

  3. 3

    Reset the fault by switching off and then switching on the DC 24V supply voltage.

  4. 4

    Reset the error via the error reset function.

Browse all codes in this manual (23)
Verified technical data. Last updated: April 2026

Related Faults

01Overcurrent in Output Stage06Mains Phase Failure07DC Link Voltage Too High
Source: MOVIMOT® MM..D with AC Motor DT/DV / Operating Instruc
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