Patient information was not provided.Livanova deutschland manufactures the centrifugal pump system with tubing clamp.The incident occurred in (b)(6).A livanova field service representative was dispatched to the facility to investigate.The service representative was not able to confirm the reported issue.The device worked according the specification.However, as the reported malfunction could be intermittent, the technician decided to replace the control board.Subsequent functional verification testing was completed without further issues and the unit was returned to service.The board was requested back to livanova deutschland for further investigation.A review of the dhr could not identify any deviations or nonconformities relevant to the issue.If any additional information pertinent to the reported event is received, it will be provided in a supplemental report.
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