During the patient call, the autopulse platform (b)(6) stopped compression and displayed a user advisory (ua) 07 (discrepancy between load 1 and load 2 too large).No further information was provided.The patient's status information was requested, but the customer did not provide a response.
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The customer's complaint that the autopulse platform (b)(6) stopped compression and displayed a user advisory (ua) 07 (discrepancy between load 1 and load 2 too large) message was confirmed during the functional testing and the archive data review.The root cause of the ua07 was due to a failed load cell.The cracked enclosure and a load cell failure were likely attributed to mishandling, such as a drop, or the age of the platform.The autopulse platform was manufactured in 2010 and is over 13 years old, well past the expected serviceable life of five years.Unrelated to the reported complaint, a crack across the screw well area of the front enclosure handle, a large hole and crack on the load plate cover, a bent battery lock, and a frayed head restraint were noted upon visual inspection.The observed physical damages appear to be the characteristics of the harsh impact caused by user mishandling, such as a drop.The damaged parts were replaced to address the observed physical damages.The archive data indicated several ua07 on and around the reported event date, confirming the reported complaint.The autopulse platform failed initial functional testing due to a ua07 error message, confirming the reported complaint.The load cell characterization check revealed a failed load cell, which was replaced to address the reported ua07 error.Following service, the autopulse platform passed the run-in and final tests without fault or error.Historical complaints were reviewed for service information related to the reported complaint, and no similar complaint was reported for the autopulse platform with (b)(6).
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