How do I fix and clear Mazak alarm 401?

Tap the cancel key and then input correct data. Clearing procedure: Tap alarm clear button.

NOTICEAlarm code

401

ILLEGAL FORMAT

Q: What does Mazak alarm 401 mean?

Mazak alarm 401 is "ILLEGAL FORMAT". The format of the input data is not an available one. Example : Negative data has been input to an item that rejects negative data input. Error type: Operation — wrong key or incorrect operation. Machine state: Operation continued — machine still running.

What it means

The format of the input data is not an available one. Example : Negative data has been input to an item that rejects negative data input.

What to do

1Tap the cancel key and then input correct data.

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 →