Mitsubishi Electric 600M Series Error AX0021: Absolute position lost

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

Error codeAX0021

The machine lost its absolute position data upon power-on, likely due to an error in checksum verification during startup. The manual's first action is: “Check the check sum.”

Model
Mitsubishi Electric 600M Series
Display shows
Absolute position lost (AX0021)
Type
Error code
Source
Manual p. 474

What AX0021 means

Absolute position lost p. 474

Common causes

  • An error occurred (the absolute position was lost) as a result of checking the absolute position data as follows when the power was turned ON. p. 474

What to do

  1. Check the check sum. p. 474
  2. Take the total of all the data. p. 474
  3. Take the total Exclusive OR of the vertical direction parity check data, and check. p. 474

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

If AX0021 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”
Open the manual at page 474 All 600M Series error codes Manual details & download

This page summarises what the manufacturer’s manual says about AX0021; 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.