Okuma Alarm-D 4900 Motor not ready to start
The loader (robot) axis drive unit is not ready to start.
Manual control and START are disabled when this status exists.
Probable Faulty Locations
Loader (robot) axis drive unit malfunction. At power ON, or at an Alarm “A” reset, an automatic reset will occur after this alarm status has been displayed for several seconds.
Measures to Take
If this alarm display continues, check the robot axis drive unit.