F32

IPOS index overflow

SEW Eurodrive · MOVITRAC 07B System

What does F32 mean?

An internal stack overflow has occurred within the inverter's IPOS user program. This fault is typically caused by violations of programming principles in the user-defined control logic and results in an immediate switch-off with inhibit.

Common Causes

  • Internal stack overflow due to errors in the IPOS user program
  • Violation of programming principles in the custom control logic

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Review the IPOS user program logic and correct any programming principle violations.

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Verified technical data. Last updated: March 2026

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Source: SEW Eurodrive MOVITRAC 07B System