Livanova (b)(4) manufactures the s5 roller pump.The incident occurred in (b)(6).A livanova field service representative was dispatched to the facility to investigate.The service representative was unable to confirm the reported issue.However, the occlusion was adjusted and the motor control board was replaced as a precaution due to potential of the error to be intermittent.Subsequent functional verification testing was completed without further issues and the unit was returned to service.The replaced board was returned to livanova (b)(4) for further investigation.During evaluation, the reported issue could not be confirmed.However, a different error message did occur and was found to be caused by non-conforming soldering joints.It is unknown if this defect caused the reported issue.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 event is received, it will be provided in a supplemental report.
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