Okuma Alarm-B 2717 Invalid ATC MT no.
A wrong tool number or turret number was specified with the MT command.
MT: Tool preparation command (MT = $$##, where $$ is the tool No. and ## is the turret No.)
1->The specified MT command differs from the previous one.
2->The specified tool exists on the other turret.
3->A tool type (front/side) that cannot be mounted on the turret was specified.
5->Specified MT code is larger than the maximum tool number.