The reported complaint of the autopulse platform (serial # (b)(4) does not power on with several good fully charged autopulse li-ion batteries was confirmed during initial functional testing.The root cause of the device's power issue was due to a defective battery cable, likely attributed to wear and tear.The autopulse platform was manufactured in march 2015 and has reach its expected serviceable life of 5 years.Unrelated to the reported complaint, a cracked front enclosure was observed on the returned autopulse platform was observed during visual inspection.This type of physical damage cover was likely attributed to wear and tear and/or mishandling.The front enclosure was replaced.During archive data review, two user advisory (ua) 27 (drive shaft turning too fast during compression) error code occurred on (b)(6) 2019 and (b)(6) 2020.This issue is unrelated to the reported complaint.As a precautionary measure, the encoder gearbox was replaced.Initial functional testing failed due to the returned autopulse platform did not power on.To remedy the power issue, the battery cable was replaced.After service repair completion, the autopulse platform was subjected to the run-in test using the 95% patient large resuscitation test fixture (lrtf) with known good batteries until discharged without any fault or error.The autopulse platform passed all the functional tests.Historical complaints were reviewed for service information related to the reported complaint and there was no similar complaint for autopulse with serial # (b)(4).
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