Mitsubishi Electric 600M Series Error PRW0004: Unused address exists

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

Warning codePRW0004

An unused address exists in a program block that was not used during execution. The manual's first action is: “Reconsider the program.”

Model
Mitsubishi Electric 600M Series
Display shows
Unused address exists (PRW0004)
Type
Warning code
Source
Manual p. 505

What PRW0004 means

Unused address exists p. 505

Common causes

  • An address exists that was not used in the program block. p. 505

What to do

  1. Reconsider the program. p. 505

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

If PRW0004 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 PRW0004; 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.