Okuma Alarm-A 8515 Work ejector interlock
Code
1->A work ejector advance command was issued when the spindle was rotating. Or, A work ejector retract position signal is OFF during spindle rotation.
2->A work ejector advance command was issued without locating the tailstock at the retract end.
3->A tailstock advance command was issued without locating the work ejector at the retract end.