The customer reported that they selected a total body pre-programmed motion (ppm) on the touchscreen and unexpectedly the gantry rotated at a high speed.A patient was on the table when this issue occurred and the operator pressed an emergency stop (e-stop) button to stop the gantry rotation.There was no report of system contact or injury as a result of this event.A philips field service engineer (fse) went on site to evaluate and confirm the reported issue.The customer reported the same issue had occurred in the past and is addressed in (b)(4).The fse inspected the system.The fse proactively replaced the motor controller.All of the available information was sent to philips engineering who confirmed the issue is due to a software issue.The system is in clinical use.This issue is not related to (b)(4) as originally reported in the initial report.Submission of a report does not constitute an admission that medical personnel, user facility, importer, distributor, manufacturer, or product caused or contributed to the event.
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