How do I fix and clear Mazak alarm 741?

Change either the threading angle or the data of the tool to be used.

CRITICALAlarm code

741

ILLEGAL THREAD ANGLE (WNo., UNo., SNo.)

Q: What does Mazak alarm 741 mean?

Mazak alarm 741 is "ILLEGAL THREAD ANGLE (WNo., UNo., SNo.)". In the machining type that requires the designation of a threading angle, the following condition is not satisfied. (Tool tip angle) ≤ (Threading angle) Error type: Registered Data — program or tool data error.

What it means

In the machining type that requires the designation of a threading angle, the following condition is not satisfied. (Tool tip angle) ≤ (Threading angle)

What to do

1Change either the threading angle or the data of the tool to be used.

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 →