Mitsubishi Electric 600M Series Error PR0242: Variable definition = none

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

Alarm codePR0242

The "=" sign was not used when defining a variable in the program. The manual's first action is: “Designate the "=" sign in the variable definition of the program.”

Model
Mitsubishi Electric 600M Series
Display shows
Variable definition = none (PR0242)
Type
Alarm code
Source
Manual p. 483

What PR0242 means

Variable definition = none p. 483

Common causes

  • The "=" sign has not been commanded when a variable is defined. p. 483

What to do

  1. Designate the "=" sign in the variable definition of the program. p. 483

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

If PR0242 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 PR0242; 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.