How do I fix and clear Mazak alarm 821?

Check the specifications, and then change the G07 command.

CRITICALAlarm code

821

G07 OPTION NOT FOUND (WNo., NNo., BNo.)

Q: What does Mazak alarm 821 mean?

Mazak alarm 821 is "G07 OPTION NOT FOUND (WNo., NNo., BNo.)". The virtual-axis command (G07) has been issued although there are not virtual-axis specifications. Error type: Registered Data — program or tool data error.

What it means

The virtual-axis command (G07) has been issued although there are not virtual-axis specifications.

What to do

1Check the specifications, and then change the G07 command.

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 →