How do I fix and clear Mazak alarm 386?

Check the position set for pressing the tailstock against the workpiece. Clearing procedure: Fix cause → press RESET.

CRITICALAlarm code

386

TAIL POSITION MALFUNCTION

Q: What does Mazak alarm 386 mean?

Mazak alarm 386 is "TAIL POSITION MALFUNCTION". The tailstock position after completing workpiece pressing initiated by M841 or M842 is outside the setting range. Error type: Registered Data — program or tool data error. Machine state: Emergency stop — machine fully stopped.

What it means

The tailstock position after completing workpiece pressing initiated by M841 or M842 is outside the setting range.

What to do

1Check the position set for pressing the tailstock against the workpiece.

Codebook — decoded

BError typeRegistered Data — program or tool data error

HStop statusEmergency stop — machine fully stopped

OClearingFix cause → press RESET

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

Still stuck? Ask the Mazatrol assistant →