How do I fix and clear Mazak alarm 769?

Select another tool, or change the specification in question, on either side for the same direction of turning spindle rotation as for the other tool.

ALARMSMazatrol Assistant

CRITICALAlarm code

769

ILLEGAL TOOL DIRECTION/SPDL ROT (WNo., UNo., SNo.)

Q: What does Mazak alarm 769 mean?

Mazak alarm 769 is "ILLEGAL TOOL DIRECTION/SPDL ROT (WNo., UNo., SNo.)". The specification of the direction of turning spindle rotation differs between those tools on the upper and lower turrets which are to be used for simultaneous machining. Error type: Registered Data — program or tool data error.

What it means

The specification of the direction of turning spindle rotation differs between those tools on the upper and lower turrets which are to be used for simultaneous machining.

What to do

1Select another tool, or change the specification in question, on either side for the same direction of turning spindle rotation as for the other tool.

Codebook — decoded

BError typeRegistered Data — program or tool data error

I (L)Stop statusunspecified

O (S)Clearingunspecified

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

Still stuck? Ask the Mazatrol assistant →