G4: 16jan2020 b4: (b)(6) 2020.The customer reported that replacing the central processing unit printed circuit board assembly resolved the problem.No parts were returned for failure investigation; therefore, the root cause at the component level could not be determined.The determination could not be made that the device failed to meet specifications.The device was not being used for treatment when the reported event occurred, and there is a relationship of the device to the reported problem.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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