How do I fix and clear Mazak alarm 406?

1. The operation concerned cannot be performed for the edit-inhibiting program (program management function). 2. Cancel the program protect function. 3. Remove the tool from the spindle, and then carry out the operation once again. Clearing procedure: Tap alarm clear button.

ALARMSMazatrol Assistant

NOTICEAlarm code

406

MEMORY PROTECT

Q: What does Mazak alarm 406 mean?

Mazak alarm 406 is "MEMORY PROTECT". 1. Inhibiting operation (editing, erasing, renumber of work number and entry of names) has been performed for the edit-inhibiting program. 2. The program protect function is set valid. 3. An attempt has been made to carry out “TOOL NAME ORDER” operation on the TOOL DATA display while a tool remains set in the spindle. Error type: Operation — wrong key or incorrect operation. Machine state: Operation continued — machine still running.

What it means

1. Inhibiting operation (editing, erasing, renumber of work number and entry of names) has been performed for the edit-inhibiting program. 2. The program protect function is set valid. 3. An attempt has been made to carry out “TOOL NAME ORDER” operation on the TOOL DATA display while a tool remains set in the spindle.

What to do

11.
2The operation concerned cannot be performed for the edit-inhibiting program (program management function).
32.
4Cancel the program protect function.
53.
6Remove the tool from the spindle, and then carry out the operation once again.

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 →