The driver's alarm history was reviewed and did not reveal any recorded alarms.Only permanent fault alarms are recorded in the driver's alarm history; intermittent and/or recoverable alarms, such as battery alarms, are not recorded.The driver in "as received" passed all sections of functional testing.Additionally, an onboard battery exchange test was performed and the driver did not exhibit any alarms.During investigation testing, the customer-reported issue was not reproduced and there was no evidence of a device malfunction.The root cause of the customer-reported fault alarm during an onboard battery exchange could not be conclusively determined.The onboard batteries in use during the customer-reported issue were not returned to syncardia for investigation.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.(b)(4) follow-up report 1.
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