What does Mazak alarm 171 mean?

Mazak alarm 171 is "ILLEGAL W AXIS COMMAND". W-axis operation was programmed during the application of the W-axis thrust. Error type: NC Equipment — system hardware/software error. Machine state: Single-block stop — stopped at a block.

How do I fix and clear Mazak alarm 171?

Review and correct the program. Clearing procedure: Fix cause → press RESET.

ALARMSMazatrol Assistant

CRITICALAlarm code

171

ILLEGAL W AXIS COMMAND

What it means

W-axis operation was programmed during the application of the W-axis thrust.

What to do

1Review and correct the program.

Codebook — decoded

EError typeNC Equipment — system hardware/software error

JStop statusSingle-block stop — stopped at a block

OClearingFix cause → press RESET

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

Still stuck? Ask the Mazatrol assistant →