What does Mazak alarm 231 mean?

Mazak alarm 231 is "EXTERNAL CONTROLLER ALARM". The external controller has detected an alarm. Error type: Machine (PLC) — machine failure. Machine state: Operation continued — machine still running.

How do I fix and clear Mazak alarm 231?

Check the external control unit.

ALARMSMazatrol Assistant

CRITICALAlarm code

231

EXTERNAL CONTROLLER ALARM

What it means

The external controller has detected an alarm.

What to do

1Check the external control unit.

Codebook — decoded

FError typeMachine (PLC) — machine failure

LStop statusOperation continued — machine still running

O, QClearingunspecified

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

Still stuck? Ask the Mazatrol assistant →