The report of the autopulse platform ((b)(4)) displayed user advisory (ua) 41 (patient temperature sensor failure) error message was confirmed during functional testing and archive data review.During functional testing, the platform displayed ua 41 error message on the user control panel upon power up.However the ua 41 was cleared during evaluation.As a precautionary measure to prevent the reoccurrence of the ua 41 error message, the temperature sensor cabling was replaced.The storage and shift check conditions are not known; however, factors such as ambient storage condition (e.G., fire truck in sun) or soft surface that may block air vents are known to cause ua 41 error messages in rare cases.No physical damage was observed during visual inspection.Review of the archive data show (ua) 41 error messages occurred on the reported event date.As part of routine service, the platform was tested with large resuscitation testing fixture, (lrtf) equivalent to 250 pound patient and failed with user advisory (ua) 07 (discrepancy between load 1 and load 2 too large) error message, unrelated to the reported complaint.Platform failed load cell characterization test and load cell conversion was performed to address the issue.The autopulse platform is a reusable device and was manufactured in april 2006 and is 12 years old.It has exceeded its expected service life of 5 years.Historical complaints were reviewed for service information related to the reported complaint and there was one similar complaint reported for autopulse platform with serial number (b)(4).(b)(4), reported on (b)(6) 2013.Defective temperature sensor was replaced.
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