The reported complaint of the autopulse platform (sn (b)(4) displayed "pull up lifeband and press restart" error message and the drive shaft was not engaging; was confirmed during functional testing and archive data review.Based on functional testing and archive data review, user advisory (ua) 07 (discrepancy between load 1 and load 2 too large) was observed.The root cause for the ua 07 error was due to a defective load cell, likely attributed to mishandling such as a drop or due to a defective component.During visual inspection, there was no physical damage observed on the autopulse platform.The initial functional testing of the autopulse platform could not be performed due to ua 07 error message displayed upon powering on, thus confirming the customer complaint.Review of the archive data indicated error message user advisory (ua) 07.The load cell characterization test revealed that the load cell was over-reporting.The defective load cell needs to be replaced to address the error.After service repair completion, the autopulse platform was subjected to the run-in test using the 95% patient large resuscitation test fixture (lrtf) with good known test batteries for 15 minutes without any fault or error.Load cell characterization test was performed and confirmed both cell modules are functioning within the specification.The autopulse platform passed the final testing without any fault or error.Historical complaints were reviewed for service information related to the reported complaint, and there was no similar complaint reported for autopulse with serial number (b)(4).
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