How do I fix and clear Mazak alarm 686?

Review the machining program and set the coordinates of the starting point of the free shape.

CRITICALAlarm code

686

NO STARTING POINT (WNo., UNo., SNo.)

Q: What does Mazak alarm 686 mean?

Mazak alarm 686 is "NO STARTING POINT (WNo., UNo., SNo.)". During input of free-shape data (open-figure data) to the line-machining unit, “?” has been set as the definition of the starting point. Error type: Registered Data — program or tool data error.

What it means

During input of free-shape data (open-figure data) to the line-machining unit, “?” has been set as the definition of the starting point.

What to do

1Review the machining program and set the coordinates of the starting point of the free shape.

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 →