What does Mazak alarm 230 mean?

Mazak alarm 230 is "ILLEGAL MMS UNIT". Something is wrong with the workpiece measuring amplifier. Error type: Machine (PLC) — machine failure. Machine state: Feed hold — feed stopped, machine ready.

How do I fix and clear Mazak alarm 230?

Turn the main power disconnect switch off and observe the situation for a while. If the alarm is not released, contact the nearest Mazak Technical Center or Technology Center. Clearing procedure: Fix cause → Power OFF → Power ON.

ALARMSMazatrol Assistant

CRITICALAlarm code

230

ILLEGAL MMS UNIT

What it means

Something is wrong with the workpiece measuring amplifier.

What to do

1Turn the main power disconnect switch off and observe the situation for a while.
2If the alarm is not released, contact the nearest Mazak Technical Center or Technology Center.

Codebook — decoded

FError typeMachine (PLC) — machine failure

KStop statusFeed hold — feed stopped, machine ready

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 →