How do I fix and clear Mazak alarm 164?

Close the door to operate the machine. Clearing procedure: Fix cause → tap alarm clear button.

WARNINGAlarm code

164

ILLEGAL CMD SAFE OPER SYS ALARM

Q: What does Mazak alarm 164 mean?

Mazak alarm 164 is "ILLEGAL CMD SAFE OPER SYS ALARM". With the machine under the control for safety speed, a command for the following was given: Threading, Synchronous tapping, Cross machining, Superposition control. Error type: Operation — wrong key or incorrect operation. Machine state: Single-block stop — stopped at a block.

What it means

With the machine under the control for safety speed, a command for the following was given: Threading, Synchronous tapping, Cross machining, Superposition control.

What to do

1Close the door to operate the machine.

Codebook — decoded

AError typeOperation — wrong key or incorrect operation

JStop statusSingle-block stop — stopped at a block

QClearingFix cause → tap alarm clear button

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

Still stuck? Ask the Mazatrol assistant →