What does Mazak alarm 57 mean?

Mazak alarm 57 is "NO PLC". The user PLC is not stored in the NC unit. Error type: Machine (PLC) — machine failure. Machine state: Emergency stop — machine fully stopped.

How do I fix and clear Mazak alarm 57?

Contact the nearest Mazak Technical Center or Technology Center. Clearing procedure: Fix cause → Power OFF → Power ON.

ALARMSMazatrol Assistant

CRITICALAlarm code

NO PLC

What it means

The user PLC is not stored in the NC unit.

What to do

1Contact the nearest Mazak Technical Center or Technology Center.

Codebook — decoded

FError typeMachine (PLC) — machine failure

HStop statusEmergency stop — machine fully stopped

NClearingFix cause → Power OFF → Power ON

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

Still stuck? Ask the Mazatrol assistant →