Mfr received date: 30 jan 2020.Failure analysis on the returned man machine interface (mmi) board and bezel assembly,v200 (switch circuit panel) shows that the front panel light emitting diode (led) test passed, the reported complaint of the 100% o2 led turns on randomly was not duplicated.No fault was found on this returned switch circuit panel & mmi pcba.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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