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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.

0C70

INTERBUS data transfer cancelled (MFI)

SEW Eurodrive · Drives

What does 0C70 mean?

The INTERBUS data transfer was cancelled, either because the initialization of the SUPI 3 protocol chip failed or the MFI is defective. This fault code can also be displayed if a reserved DIP switch setting is selected.

Common Causes

  • Initialization of the INTERBUS protocol chip SUPI 3 failed.
  • Defective MFI (INTERBUS interface) hardware.
  • Invalid or reserved DIP switch setting selected on the MFI.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Check the DIP switch setting on the MFI for validity and ensure no reserved settings are selected.

  2. 2

    If the fault persists after verifying DIP switch settings, consider installing a new MFI electronic unit.

Browse all codes in this manual (39)
Verified technical data. Last updated: April 2026

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Source: SEW Eurodrive Drives
Open Manual (Page 111)Search more codes in this manual