Mitsubishi Electric 600M Series Error PR0421: Parameter input error

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

Error codePR0421

Parameter input error occurs when insufficient or illegal data is entered for a parameter, including invalid addresses or character-string types. The manual's first action is: “Enter the correct parameter input data.”

Model
Mitsubishi Electric 600M Series
Display shows
Parameter input error (PR0421)
Type
Error code
Source
Manual p. 486

What PR0421 means

Parameter input error p. 486

Common causes

  • Insufficient data was input in parameter. An address other than P, S, N, A or D was commanded. The P, S, N, A or D value is illegal. A character-string type parameter was input. p. 486

What to do

  1. Enter the correct parameter input data. p. 486
  2. Reconsider the program. p. 486

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

If PR0421 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 486 All 600M Series error codes Manual details & download

This page summarises what the manufacturer’s manual says about PR0421; 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.