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ErrorLib — Industrial Fault Code Library

Disclaimer: ErrorLib is an independent technical reference tool. While we aim for accuracy, always verify with the manufacturer’s official service manuals before performing maintenance on industrial equipment. ErrorLib is not affiliated with the brands listed.

77

Invalid IPOS control value

SEW Eurodrive · MOVIMOT Field Distributor

What does 77 mean?

An attempt was made by an external controller to set an invalid automatic mode within the IPOS program. This action caused the IPOS program to stop (DO=0), indicating that the command sent was outside the permissible range or format.

Common Causes

  • An external controller attempted to set an invalid automatic mode via write values.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Check the write values being sent by the external controller to ensure they are valid for the IPOS automatic mode settings.

Browse all codes in this manual (30)
Verified technical data. Last updated: April 2026

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01Overcurrent in output stage06Phase fault07DC link voltage too high
Source: SEW Eurodrive MOVIMOT Field Distributor
Open Manual (Page 33)Search more codes in this manual