The autopulse platform in complaint was returned to zoll on 01/08/2015 for investigation.Investigation results as follows: visual inspection of the returned platform was performed and found that the battery lock clip was broken and the lcd display background was not functioning properly.During initial functional testing, the system was turned on/off with no problems and ran using a mannequin with no anomalies or errors exhibited.A review of the autopulse platform's archive was performed and found no errors to have occurred on the reported event date of (b)(6) 2014.Based on the investigation, the processor pca was replaced to remedy the customer's reported complaint of the platform's display background not working.The other damaged part noted during visual inspection of the returned platform was also replaced.The platform underwent and passed all final functional testing.In summary, the customer's reported complaint of the platform's display background not working was confirmed through visual inspection of the returned platform.The root cause was determined to be a defective processor pca, which was replaced, remedying the issue and allowing the platform to function as intended.
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