Mitsubishi Electric 600M Series Error PR0300: Variable name illegal

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

Error codePR0300

Variable names have been commanded improperly in the program. The manual's first action is: “Reconsider the variable names in the program and correct them.”

Model
Mitsubishi Electric 600M Series
Display shows
Variable name illegal (PR0300)
Type
Error code
Source
Manual p. 484

What PR0300 means

Variable name illegal p. 484

Common causes

  • The variable names have not been commanded properly. p. 484

What to do

  1. Reconsider the variable names in the program and correct them. p. 484

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

If PR0300 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 484 All 600M Series error codes Manual details & download

This page summarises what the manufacturer’s manual says about PR0300; 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.