This event is being submitted as a correction for this event in response to a 483 observation from (b)(4) 2014 for fei number (b)(4).On (b)(6) 2012, mr.(b)(6) of the (b)(6) support staff was notified that a tandemheart pump had failed and stopped turning after 10 days of use.Attempts to restart the pump were unsuccessful with the connected controller, as well as a back-up controller.A new pump was cut into the circuit and worked just fine with the back-up controller.The first controller was noted to be in a system failure mode when powered up, possibly due to the pump stoppage.
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