The customer reported that the patient's freedom driver exhibited 20 intermittent alarms on his 15 minute drive from the laboratory.The customer also reported that the patient was subsequently switched to the backup freedom driver.There was no reported adverse patient impact.The freedom driver was returned to syncardia for evaluation.Visual inspection of the external and internal components revealed no abnormalities.Intermittent, recoverable alarms are not recorded in the driver's alarm history.Only permanent alarms are recorded in the alarm history.The driver was tested and passed all test acceptance criteria, which included normotensive and hypertensive settings, with no anomalies or alarms.In addition, the driver was tested for an additional 63.5 hour run observation, and it performed as intended with no issues.The customer-reported intermittent fault alarms could not be reproduced during investigation testing.Therefore, a root cause could not be conclusively determined.The driver performed as intended, and there was no evidence of a device malfunction.The driver was serviced and passed all functional and performance testing.The reported issue posed a low risk to the patient because although the freedom driver exhibited intermittent fault alarms, the freedom driver continued to perform its life-sustaining functions.This issue will continue to be monitored and trended as part of the customer experience process.Syncardia has completed its evaluation of this complaint and is closing this file.
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