How do I fix and clear Mazak alarm 127?

Select the correct direction (+, -) using the axis selector switch. Clearing procedure: Press RESET to clear.

CRITICALAlarm code

127

ILLEGAL DIR. FOR ORIGIN RETURN

Q: What does Mazak alarm 127 mean?

Mazak alarm 127 is "ILLEGAL DIR. FOR ORIGIN RETURN". The axis-movement direction selected with the axis selector switch is not correct for the reference-point return in manual operation mode. Error type: Operation — wrong key or incorrect operation. Machine state: Feed hold — feed stopped, machine ready.

What it means

The axis-movement direction selected with the axis selector switch is not correct for the reference-point return in manual operation mode.

What to do

1Select the correct direction (+, -) using the axis selector switch.

Codebook — decoded

AError typeOperation — wrong key or incorrect operation

KStop statusFeed hold — feed stopped, machine ready

PClearingPress RESET to clear

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

Still stuck? Ask the Mazatrol assistant →