How do I fix and clear Mazak alarm 661?

M195 cannot be executed on MAZATROL programs. Delete that command code from the program.

CRITICALAlarm code

661

ILLEGAL M CODE (WNo., UNo., SNo.)

Q: What does Mazak alarm 661 mean?

Mazak alarm 661 is "ILLEGAL M CODE (WNo., UNo., SNo.)". M195 (tool breakage detection start command code) has been set for the M-code unit or for the manual program mode sequence. Error type: Registered Data — program or tool data error.

What it means

M195 (tool breakage detection start command code) has been set for the M-code unit or for the manual program mode sequence.

What to do

1M195 cannot be executed on MAZATROL programs.
2Delete that command code from the program.

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 →