Mitsubishi Electric 600M Series Error PR0281: Number of ['' and ''] differ

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

Error codePR0281

The number of opening and closing parentheses [ ] in a block does not match, indicating improper pairing. The manual's first action is: “Reconsider the program and correct it so that the "[" and "]" parentheses are paired up properly.”

Model
Mitsubishi Electric 600M Series
Display shows
Number of ['' and ''] differ (PR0281)
Type
Error code
Source
Manual p. 484

What PR0281 means

Number of ['' and ''] differ p. 484

Common causes

  • The number of "[" and "]" parentheses commanded in a single block do not match. p. 484

What to do

  1. Reconsider the program and correct it so that the "[" and "]" parentheses are paired up properly. p. 484

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

If PR0281 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 PR0281; 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.