The reported complaint of lcd on the autoupulse platform (serial# (b)(4)) was very dim and display was unable to read the text contents was confirmed during functional testing.Missing line on the lcd screen was observed during power on of the autopulse platform.The root cause of the reported lcd issue was due to a defective lcd, likely attributed to a defective component.The lcd was replaced to remedy this issue.During visual inspection, unrelated to the reported complaint, a cracked front enclosure and a bent battery lock were observed on the autopulse platform.These physical damages are likely due to user mishandling, such as a drop.The front enclosure and battery lock were replaced to address these issues.The autopulse platform passed the initial functional testing.Further functional testing, unrelated to the reported complaint, observed intermittently depleted battery indicator on the autopulse platform's lcd screen.The archive data was reviewed and showed multiple user advisory (ua)03 (error communicating with battery controller).As a precautionary measure, the power distribution board (pdb) was replaced to remedy this issue.After service repair completion, the autopulse was subjected to the run-in test using the 95% patient large resuscitation test fixture (lrtf) with good known test battery until discharged without any fault or error.The ap platform passed all functional tests.Historical complaints were reviewed for service information related to the reported complaint and there was no previous history of complaint reported for autopulse with serial number (b)(4).
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