The customer's complaint that the lcd screen of the autopulse platform (b)(6) was blank and could not perform compressions upon powering up was confirmed during the functional testing.The root cause of the reported complaint was a failed processor pca board, which is likely attributed to the device's aging.The autopulse platform was manufactured in 2013 and is over ten years old, well past the expected serviceable life of five years.Upon visual inspection, no physical damage was observed.The archive data could not be downloaded due to the device failing the initialization (power on self-test).Unable to perform functional testing due to the autopulse platform failed to power on.The technical investigation revealed the root cause of the observed and reported problem as a failed processor pca board.The processor pca assembly was replaced to address the reported complaint.Upon part replacement, the autopulse platform was subjected to a run-in test using a 95% large resuscitation test fixture (lrtf), and it passed without fault or error.Following service, the brake gap inspection was performed, and the brake gap was verified to be within the specification.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 there was no previous history of complaints reported for the autopulse platform with sn (b)(6).
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