The autopulse platform (s/n (b)(4)) was returned to zoll (b)(4) for analysis.Visual inspection of the returned platform shows that the lcd backlight was non-functional.The physical damage found during visual inspection confirmed the reported event.It was found that the lcd was defective.The damage appears to have been caused by normal wear and tear (autopulse manufactured in 3/2012).Functional testing was performed and the platform passed testing.Based on the investigation, the part identified for replacement was the lcd.In summary, the reported complaint was confirmed during visual inspection.The fault was found to be due to the defective lcd.Upon replacement of the lcd, the platform was re-evaluated through functional testing and the platform passed all testing criteria.
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