What does Mazak alarm 284 mean?

Mazak alarm 284 is "NOT UNCLAMPED (SPDL ORI. UNFIN)". A tool unclamp command was specified while the milling spindle was not oriented. Error type: Operation — wrong key or incorrect operation. Machine state: Operation continued — machine still running.

How do I fix and clear Mazak alarm 284?

Orient the milling spindle before unclamping the tool. Clearing procedure: Fix cause → press RESET.

ALARMSMazatrol Assistant

NOTICEAlarm code

284

NOT UNCLAMPED (SPDL ORI. UNFIN)

What it means

A tool unclamp command was specified while the milling spindle was not oriented.

What to do

1Orient the milling spindle before unclamping the tool.

Codebook — decoded

AError typeOperation — wrong key or incorrect operation

LStop statusOperation continued — machine still running

OClearingFix cause → press RESET

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

Still stuck? Ask the Mazatrol assistant →