There was no patient involvement.Livanova (b)(4) 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 device.The reported error could be reproduced.In order to fix the issue, the encoder was newly screwed and fastened.Functional verification testing was completed without further issues and the unit was returned to service.The affected device was not made available for a further investigation, thus the root cause could not be determined.A review of the dhr could not identify any deviations or nonconformities relevant to the issue.
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