G4: 08oct2019.B4: 09oct2019.The customer replaced the base assembly.No other abnormality was confirmed but the following parts were replaced as regulated by periodic maintenance 2 procedure to prevent failure: blower assy., lithium-ion battery, cooling fan, oxygen inlet filter, tubing kit, air inlet filter and cooling fan filter.The unit was checked overall, cleaned, run in tests and functionally tested.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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