Okuma Alarm-A 1767 M-axis clutch connection error
With the M-axis one-point clutch function, M-tool spindle rotation, spindle orientation, or flat turning command was issued to initiate oscillation for clutch engagement.
However, the connection answer was not received within 20[s].
Probable Faulty Locations
1)M-tool spindle one-point clutch
2)M-tool spindle connection confirmation proximity switch