Mitsubishi Electric 600M Series Error PR0280: ['' and '' nesting over

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

Error codePR0280

Too many parentheses [.] have been used in a single block of code, exceeding the five-pair limit. The manual's first action is: “Reconsider the program and correct it so that the number of "[" or "]" does not exceed five.”

Model
Mitsubishi Electric 600M Series
Display shows
['' and '' nesting over (PR0280)
Type
Error code
Source
Manual p. 484

What PR0280 means

['' and '' nesting over p. 484

Common causes

  • The number of parentheses [.] which can be commanded in a single block has exceeded five. p. 484

What to do

  1. Reconsider the program and correct it so that the number of "[" or "]" does not exceed five. p. 484

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

If PR0280 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 PR0280; 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.