Okuma Alarm-A 8504 Tool change command
1->A tool change command (M716,M717) was issued for the turret number of the tool change impossible. Or, A tool change command was issued when the tool clamp confirmation signal was OFF.
2->ATC Tool change command was performed with special tool selection.
3->When a long boring bar tool(LBBT) was mounted in the turret H1, ATC Tool change command.