Okuma Alarm-D 4764 Spindle orientation interlock
The necessary conditions to execute spindle orientation are lack.
1->The spindle encorder did not read a marker signal after power on in spindle orientation function by push button.
Probable Faulty Locations
1)The spindle did not turn over 360 degree after power on.
2)The spindle encorder is faulty
Measures to Take
1)The spindle should turn over 360 degree.
2)Exchange the spindle encorder.