The customer reported a complaint that "the autopulse platform (b)(4) displayed user advisory (ua) 41 (patient temperature sensor failure) error message upon powering on" was confirmed during the functional testing and based on the review of the archive data.The root cause for the ua41 error was a defective temperature sensor, likely attributed to the device's aging.The autopulse platform was manufactured in 2015 and is six years old, past the expected serviceable life of 5 years.During visual inspection, no physical damage was observed.The archive data indicated several ua41 errors; thus, confirming the customer reported complaint.The autopulse platform failed initial functional testing due to the ua41 error message; thus, confirming the customer-reported complaint.The temperature sensor was replaced to address the reported ua41 error.A load cell characterization test was performed and confirmed that both cell modules function within the specification.Following the temperature sensor replacement and service completion, the autopulse platform passed the run-in test using the 95% patient large resuscitation test fixture (lrtf) with good known test batteries until discharged without any fault or error.The brake gap inspection was performed and verified the brake gap was 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 platform with sn (b)(4).
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