Mitsubishi Electric 600M Series Error PR0490: No disk operation

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

Error codePR0490

No disk operation means that a disk operation was attempted without any disk operation specifications being defined in the program. The manual's first action is: “Check the specifications.”

Model
Mitsubishi Electric 600M Series
Display shows
No disk operation (PR0490)
Type
Error code
Source
Manual p. 487

What PR0490 means

No disk operation p. 487

Common causes

  • Disk operation was attempted even though there are no disk operation specifications. p. 487

What to do

  1. Check the specifications. p. 487

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

If PR0490 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 PR0490; 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.