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ErrorLib — Industrial Fault Code Library

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3005

Invalid Machining Start Point

Fanuc · Series 0i Manual Guide

What does 3005 mean?

This P/S alarm indicates that the machining start point defined in the program is invalid. This could be due to a coordinate outside the work envelope, an unreachable point, or a point that interferes with existing geometry, preventing the machining cycle from initiating correctly.

Common Causes

  • The programmed starting coordinates for machining are outside valid ranges.
  • Initial tool position is obstructed or in an unsafe location.
  • Invalid G-code command for initiating a machining operation.
  • Error in setting up the absolute or incremental positioning system (e.g., P2-02).

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Modify the machining program to specify a valid and reachable machining start point.

  2. 2

    Alternatively, modify the machining program to enable automatic determination of the start point by the control system.

Browse all codes in this manual (25)
Verified technical data. Last updated: April 2026

Related Faults

3003Machining Area Unavailable (Tool Too Large)3004Number of Cuts Exceeded Limit3006Invalid Machining Area
Source: Fanuc Series 0i Manual Guide
Open Manual (Page 843)Search more codes in this manual