Okuma Alarm-B 2891 Tailstock air miss
Code
1->Although the tailstock air miss detection command (M733) was issued, the pressure switch failed to come ON even after the detection start time.
2->The pressure switch had been ON before the tailstock air miss detection command (M733) was issued.
3->Although the tailstock air miss detection command (M433) was issued, the pressure switch failed to come ON even after the detection start time.