How do I fix and clear Mazak alarm 791?

Set correct surface speed data in the tool sequence.

CRITICALAlarm code

791

MUST INPUT CUTTING SPEED (WNo., UNo., SNo.)

Q: What does Mazak alarm 791 mean?

Mazak alarm 791 is "MUST INPUT CUTTING SPEED (WNo., UNo., SNo.)". The surface speed data set in the tool sequence contains an invalid value. Error type: Registered Data — program or tool data error.

What it means

The surface speed data set in the tool sequence contains an invalid value.

What to do

1Set correct surface speed data in the tool sequence.

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 →