This report was initially submitted on (b)(6) 2018.The report was rejected due to an incorrect code and will no be resubmitted.Livanova (b)(4) manufactures the s5 double head pump.The incident occurred in (b)(6).The livanova field service representative who identified the issue was able to trace the failure to a faulty processor board.The board was replaced to resolve the error and subsequent functional verification testing was completed without further issues.The unit was returned to service.The board was returned to livanova (b)(4) for further investigation and the reported failure was confirmed during evaluation.A faulty transistor on the board was identified and determined to be the root cause.A review of the dhr did not identify any deviations or non-conformities relevant to the reported issue.If any additional information pertinent to the reported issue is received, it will be provided in a supplemental report.
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