Okuma Alarm-A 1869 Hand open/ close interlock
A hand open or close command is given while the system is in the hand interlock state. Here, the hand interlock state refers to the system state where the Z-axis hand interlock/ or Y-axis hand interlock/ signals is off.
1->A hand A open/close command was issued with the swing hand not at position A or a hand B open/close command issued with the swing hand not at position B (for hand open/close interlock types).
2->A Y hand close command was issued with the Y hand at position B and the V hand advanced and closed or a V hand close command issued with the Y hand closed (for tandem loader types).
3->A hand open/close command was issued, when loader was not inside machine or peripheral equipment.
Probable Faulty Locations