What does Mazak alarm 71 mean?

Mazak alarm 71 is "ILLEGAL SERVO PARAMETER". No cause information is recorded in the manual for this alarm. Contact a Mazak Technical Center. Error type: Servo — servo control mechanism malfunction. Machine state: Emergency stop — machine fully stopped.

How do I fix and clear Mazak alarm 71?

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

ALARMSMazatrol Assistant

CRITICALAlarm code

ILLEGAL SERVO PARAMETER

What it means

No cause information recorded in the manual. Contact a Mazak Technical Center.

What to do

1Contact the nearest Mazak Technical Center or Technology Center.

Codebook — decoded

CError typeServo — servo control mechanism malfunction

HStop statusEmergency stop — machine fully stopped

MClearingPower OFF → fix cause → Power ON

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

Still stuck? Ask the Mazatrol assistant →