Mitsubishi Electric 600M Series Error OPW0120: Program check mode

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

Warning codeOPW0120

Starting was attempted during a program check or program check mode. The manual's first action is: “Wait for the program check to complete, or restart after canceling the program check by resetting.”

Model
Mitsubishi Electric 600M Series
Display shows
Program check mode (OPW0120)
Type
Warning code
Source
Manual p. 501

What OPW0120 means

Program check mode p. 501

Common causes

  • Starting was attempted during a program check or program check mode. p. 501

What to do

  1. Wait for the program check to complete, or restart after canceling the program check by resetting. p. 501

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

If OPW0120 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 501 All 600M Series error codes Manual details & download

This page summarises what the manufacturer’s manual says about OPW0120; 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.