Mitsubishi Electric 600M Series Error PR0621: NURBS knot error

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

Error codePR0621

An incorrect knot designation was provided in the NURBS command. The manual's first action is: “Designate the knot following the NURBS command format.”

Model
Mitsubishi Electric 600M Series
Display shows
NURBS knot error (PR0621)
Type
Error code
Source
Manual p. 488

What PR0621 means

NURBS knot error p. 488

Common causes

  • The knot was not correctly designated in the NURBS command. p. 488

What to do

  1. Designate the knot following the NURBS command format. p. 488

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

If PR0621 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”
Open the manual at page 488 All 600M Series error codes Manual details & download

This page summarises what the manufacturer’s manual says about PR0621; 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.