Okuma Alarm-A 8584 Tailstock high/low change interlock
When the tailstock high/low thrust change command (M98/M99) is designated, the spindle and/or the M-tool spindle is not in the stopped state.
Code
1->M98 or M99 command is designated while the spindle is not in the stopped state.
2->M98 or M99 command is designated while the M-tool spindle is not in the stopped state.
3->M98 or M99 command is designated while the C-axis is not in the stopped state.
4->M98 or M99 command is designated while NC tailstock teaching mode is ON.
5->M98 or M99 command is designated although the control has no NC tail stock high/low thrust specification.