Mitsubishi Electric 600M Series Error OPW0126: Acc/dec T cnst pre-intpl large

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

Alarm codeOPW0126

An internal interlock occurred due to an excessively large pre-interpolation acceleration/deceleration time constant. The manual's first action is: “Reduce the command speed, or reduce the parameter setting value for the pre-interpolation acceleration/deceleration time constant.”

Model
Mitsubishi Electric 600M Series
Display shows
Acc/dec T cnst pre-intpl large (OPW0126)
Type
Alarm code
Source
Manual p. 502

What OPW0126 means

Acc/dec T cnst pre-intpl large p. 502

Common causes

  • An internal interlock occurred because the pre-interpolation acceleration/deceleration time constant is too large. p. 502

What to do

  1. Reduce the command speed, or reduce the parameter setting value for the pre-interpolation acceleration/deceleration time constant. p. 502

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

If OPW0126 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 OPW0126; 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.