Okuma Alarm-D 4223 Motor not ready to start
Axis movement or spindle start command is issued before the axis drive motors become ready to start. (It takes several seconds for the motors to get ready after power supply or resetting alarm A.)
X:VAC spindle number
1->1st spindle (L-spindle, main spindle)
2->2d spindle (R-spindle, sub-spindle)
3->3d spindle (VAC MA-spindle)
4->4th axis (VAC MB-spindle)
Y:VAC axis number
1->1st axis (ZA)
2->2d axis (XA)
3->3d axis (ZB)
4->4th axis (ZB)
Probable Faulty Locations
1)Axis movement or spindle start command is issued within several seconds after power supply or level A alarm reset.
2)A motor drive unit can not send the operation ready signal to the NC because of
-Motor drive unit trouble
Measures to Take
1)After supplying power or resetting a level A alarm, wait for several seconds before issuing a spindle start command.
2)Check if the axis drive motors properly send the operation ready signal to the NC. If not, check wiring connections and the motor drive unit for defects.