How do I fix and clear Mazak alarm 928?

Review the machining program and set an allowable offset number.

CRITICALAlarm code

928

ILLEGAL HEAD DATA No. (WNo., NNo., BNo.)

Q: What does Mazak alarm 928 mean?

Mazak alarm 928 is "ILLEGAL HEAD DATA No. (WNo., NNo., BNo.)". The offset number that has been designated in the program is outside the range from 0 to 10. Error type: Registered Data — program or tool data error.

What it means

The offset number that has been designated in the program is outside the range from 0 to 10.

What to do

1Review the machining program and set an allowable offset number.

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 →