The returned controller passes visual and functional testing.System testing did not indicate any abnormal operation of the controller.Both power ports performed proper mating and lock actions when the power sources are connected.No anomalies was observed on the display during bench testing.The reported event as described in the event details could not be verified at the bench level.The instructions for use and patient manual outline the steps for handling and properly connecting power sources, including ensuring proper alignment, as well as instructions not to twist or force connections together in order to prevent damage.Additionally, a reference guide for both visual and tone alarms including potential causes and actions to take and there is a warning to keep spare, fully charged batteries and back up controller available at all times.It also provides information about proper care of the system and what to do in case of an emergency.Always wait until the "ready" turns on to disconnect the battery from the battery charger.Heartware will submit a supplemental report when new facts arises which materially alters information submitted in a previous mdr report.
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