Mitsubishi Electric 600M Series Error PR0431: No 2nd 3rd 4th ref-p ret spec.

CNC milling machine · taken from the manufacturer’s manual, pages cited

Error codePR0431

No 2nd 3rd 4th ref-p ret spec. occurs when the system is commanded to return to reference points that are not defined in the program. The manual's first action is: “Check the specifications.”

Model
Mitsubishi Electric 600M Series
Display shows
No 2nd 3rd 4th ref-p ret spec. (PR0431)
Type
Error code
Source
Manual p. 486

What PR0431 means

No 2nd 3rd 4th ref-p ret spec. p. 486

Common causes

  • The 2nd, 3rd and 4th reference point return was commanded even though there are no 2nd, 3rd and 4th reference point return specifications. p. 486

What to do

  1. Check the specifications. p. 486

Before you service the product, read the safety instructions in the manual p. 4.

If PR0431 is still not resolved

  • contact service / dealer p. 5
    “Do not change the fixed cycle program without prior consent from the machine manufacturer.”
  • contact service / dealer p. 5
    “Do not turn OFF the NC a”

This page summarises what the manufacturer’s manual says about PR0431; each statement links to the page it comes from, and quoted lines are copied word for word. It is not a substitute for the manual or for a qualified installer. ManualLib is not affiliated with Mitsubishi Electric. Found a mistake? Report an error.