How do I fix and clear Mazak alarm 42?

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

CRITICALAlarm code

SPINDLE PARAMETER MALFUNCTION

Q: What does Mazak alarm 42 mean?

Mazak alarm 42 is "SPINDLE PARAMETER MALFUNCTION". The parameters that have been transferred from the NC unit to the spindle amplifier during NC power-on are not correct. Error type: Servo — servo control mechanism malfunction. Machine state: Emergency stop — machine fully stopped.

What it means

The parameters that have been transferred from the NC unit to the spindle amplifier during NC power-on are not correct.

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 →