3513

Invalid Arbitrary Figure

Fanuc · Series 0i Manual Guide

What does 3513 mean?

This MC alarm (specific to Series 30i) indicates that the arbitrary figure specified within the machining program is invalid. This could be due to incorrect geometry, missing data, or parameters that define a figure that cannot be processed by the control system.

Common Causes

  • An arbitrary figure definition within the NC program has invalid data or parameters.
  • Geometric data for a shape or path is outside acceptable ranges or format.
  • Error in numerical values defining an element of an arbitrary figure.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Modify the machining program to specify a correct and valid arbitrary figure according to the control system's requirements.

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Verified technical data. Last updated: March 2026

Related Faults

Source: Fanuc Series 0i Manual Guide