Okuma Alarm-A 1715 Spindle revolution over
The spindle drive motor rotated at a speed higher than the commanded speed.
Probable Faulty Locations
1) Pulse generator PG
2) Spindle drive motor
3) FCP board
4) Max speed command by G50 (If the specified spindle speed exceeds the max speed specified by G50, the max speed is automatically selected as the spindle speed.)
5) Gear selection (low/high speed selection by motor coil switching) M40 to M44