Mitsubishi Electric 600M Series Error PR0420: No parameter input spec.

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

Error codePR0420

A parameter input command was issued without any parameter input specifications being set. The manual's first action is: “Check the specifications.”

Model
Mitsubishi Electric 600M Series
Display shows
No parameter input spec. (PR0420)
Type
Error code
Source
Manual p. 486

What PR0420 means

No parameter input spec. p. 486

Common causes

  • A parameter input command was issued even though there are no parameter input 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 PR0420 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 PR0420; 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.