Mitsubishi Electric 600M Series Error PR0120: No synchronous feed spec.

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

Error codePR0120

The machine detected an attempt to use synchronous feed when it is not specified in the system capabilities. The manual's first action is: “Check the specifications.”

Model
Mitsubishi Electric 600M Series
Display shows
No synchronous feed spec. (PR0120)
Type
Error code
Source
Manual p. 480

What PR0120 means

No synchronous feed spec. p. 480

Common causes

  • Synchronous feed was commanded even though there are no synchronous feed specifications. p. 480

What to do

  1. Check the specifications. p. 480
  2. Change the synchronous feed command (G95) to a feed per minute command (G94). (Also change the F command value.) p. 480

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

If PR0120 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 PR0120; 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.