The reported event could not be reproduced during evaluation of the autopulse platform (sn (b)(4)); however, review of the archive data revealed multiple user advisory (ua) ua18 (max take-up revolution exceeded) error messages on the reported event date of (b)(6) 2018, confirming the reported event.Evaluation of the platform was performed and no fault or error observed during functional testing.Note that the user advisory error messages are designed into the platform when one of several conditions is detected.The error message observed in the archive are easily clearable by user.For example ua 18 alerts the operator that during takeup, the autopulse driveshaft has moved the lifeband past the maximum allowable takeup depth without detecting a patient.This user advisory will persist until the restart button is pressed and the autopulse platform is restarted.Historical complaints were reviewed for service information related to the reported complaint and no previous history of complaint was reported for the autopulse platform with serial number (b)(4).
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