The customer, a syncardia authorized distributor, reported that the freedom driver exhibited a fault alarm while supporting a patient.There was no reported adverse patient impact.The customer also reported that the patient was subsequently switched to a backup driver.
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Incoming functional testing was performed and, upon startup, the driver emitted a grinding noise followed by secondary motor engagement and a permanent fault alarm.This confirmed the customer reported issued.Alarm history data review found two permanent alarms recorded; these occurs when the primary motor does not engage after more than five seconds and when the driver switches operation to the secondary motor.Visual inspection of exterior components found scratches on the face of both the front and rear driver housings, cracked display cover and product labeling partially illegible.Visual inspection of internal components found black, powdery debris across the top of the motor gearbox assembly, pca, fan cover and exhaust fan; the secondary motor out of default position, burn marks on the ribbon cable, which connects the speaker pcba to the lcd; small abrasions on the main pcba and the primary motor was difficult to move.The customer reported fault alarm was confirmed and replicated during incoming functional testing when the driver made a grinding noise, switched operation to the secondary motor and annunciated an alarm.The root cause of the customer reported issue is a faulty primary motor, which seized and caused the secondary motor to activate, creating a permanent fault alarm.Syncardia has a corrective and preventive action (capa) for the issue of freedom driver primary motor and piston cylinder assembly.This issue will be monitored and trended as part of the customer complaint process.Syncardia has completed its evaluation and is closing this file.If new or additional information is received in the future, syncardia will file a follow-up mdr.(b)(4).Follow-up report 1.
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