How do I fix and clear Mazak alarm 484?

Check the tool mounted in the spindle. Clearing procedure: Tap alarm clear button.

NOTICEAlarm code

484

INCORRECT SPINDLE TOOL

Q: What does Mazak alarm 484 mean?

Mazak alarm 484 is "INCORRECT SPINDLE TOOL". [LENG-OFS TEACH] has been tapped in spite of the fact that a tool not having its “Length Offset Data” item displayed on the TOOL DATA display (for example, a turning tool) was mounted in the spindle. Error type: Operation — wrong key or incorrect operation. Machine state: Operation continued — machine still running.

What it means

[LENG-OFS TEACH] has been tapped in spite of the fact that a tool not having its “Length Offset Data” item displayed on the TOOL DATA display (for example, a turning tool) was mounted in the spindle.

What to do

1Check the tool mounted in the spindle.

Codebook — decoded

AError typeOperation — wrong key or incorrect operation

LStop statusOperation continued — machine still running

SClearingTap alarm clear button

Still faulted after these steps? Do not restart under load — ask the Mazatrol assistant.

Still stuck? Ask the Mazatrol assistant →