Mitsubishi Electric 600M Series Error OPW0121: In buffer correction

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

Warning codeOPW0121

Starting was attempted during buffer correction. The manual's first action is: “Cancel the buffer correction by resetting or screen changeover. Complete the buffer correction by pressing the (INPUT CALC) key.”

Model
Mitsubishi Electric 600M Series
Display shows
In buffer correction (OPW0121)
Type
Warning code
Source
Manual p. 501

What OPW0121 means

In buffer correction p. 501

Common causes

  • Starting was attempted during buffer correction. p. 501

What to do

  1. Cancel the buffer correction by resetting or screen changeover. Complete the buffer correction by pressing the (INPUT CALC) key. p. 501

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

If OPW0121 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 OPW0121; 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.