How do I fix and clear Mazak alarm 402?

1. The operation concerned cannot be performed for the program of display inhibition (Program management function). 2. Tap the cancel key and then input correct data. Clearing procedure: Tap alarm clear button.

ALARMSMazatrol Assistant

NOTICEAlarm code

402

ILLEGAL NUMBER INPUT

Q: What does Mazak alarm 402 mean?

Mazak alarm 402 is "ILLEGAL NUMBER INPUT". 1. The work number of a display inhibiting program was specified. 2. The numeric value that has been input is out of the allowable range. Error type: Operation — wrong key or incorrect operation. Machine state: Operation continued — machine still running.

What it means

1. The work number of a display inhibiting program was specified. 2. The numeric value that has been input is out of the allowable range.

What to do

11.
2The operation concerned cannot be performed for the program of display inhibition (Program management function).
32.
4Tap 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 →