Okuma Alarm-D 4821 Steady rest interlock
Code
1->XD/XE/XF/ZB/ZD/ZE/ZF/W-axis move command was issued when steady rest is not opened.
2->ZB/ZD/ZE/ZF/W-axis move command was issued when steady rest is not unclamped.
3->ZB/ZD/ZE/ZF/W-axis move command was issued when chuck or steady rest that cannot be moved is not unclamping workpiece and chuck or steady rest that moves is not unclamping workpiece.