Okuma Alarm-A 1819 Hand turning interlock
Code
1->An M308/M309 command was issued with the V hand slide not at the retracted position or the V hand left the retractedposition when the Y hand was rotating (for tandem loader types).
2->An M309 command was issued with both of the Y and V axes not at the positive limit or either or both of them left the positive limit when the Y hand was rotating (for tandem loader types).