(b)(4) manufactures the s5 gas blender system.The incident occurred in rochester, mn.This medwatch report is being filed on behalf of (b)(4).A livanova field service representative was dispatched to the facility to investigate.The field service representative cleaned and disinfected the unit.Various parts were replaced and performed preventative maintenance.Test run, calibration and tsi performed without any further issues.A review of the dhr did not identify any deviations or non-conformities relevant to the reported issue.The device returned for further investigation.The described error could be reproduced, some parts have been replaced, and functional check was performed.New calibration performed, functional control and tsi carried out, device run with no further problems.
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