How do I fix and clear Mazak alarm 740?

Change the threading angle, or change the coordinates of the starting or ending point of the first sequence.

CRITICALAlarm code

740

ILLEGAL ANGLE IN FIRST SEQUENCE (WNo., UNo., SNo.)

Q: What does Mazak alarm 740 mean?

Mazak alarm 740 is "ILLEGAL ANGLE IN FIRST SEQUENCE (WNo., UNo., SNo.)". The relationship between the thread shape and threading angle that are defined by the first sequence data of the THREAD unit is incorrect. Error type: Registered Data — program or tool data error.

What it means

The relationship between the thread shape and threading angle that are defined by the first sequence data of the THREAD unit is incorrect.

What to do

1Change the threading angle, or change the coordinates of the starting or ending point of the first 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 →