How do I fix and clear Mazak alarm 930?

Review the machining program and set the correct head type.

CRITICALAlarm code

930

ILLEGAL HEAD TYPE (WNo., NNo., BNo.)

Q: What does Mazak alarm 930 mean?

Mazak alarm 930 is "ILLEGAL HEAD TYPE (WNo., NNo., BNo.)". The head type does not match to the face that has been designated in the program. Error type: Registered Data — program or tool data error.

What it means

The head type does not match to the face that has been designated in the program.

What to do

1Review the machining program and set the correct head type.

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 →