Investigation results for the returned platform as follows: visual inspection of the returned platform was performed and found external and internal blood contamination.The platform underwent biohazard cleaning to remedy the blood contamination.During functional testing, the platform displayed a user advisory (ua) 7 (discrepancy between load 1 and load 2 too large) message.Load cell characterization testing was performed and confirmed that one of the load cells was defective.A review of the platform's archive data found that no faults or errors occurred on the reported event date of (b)(6) 2015.Based on the investigation, the part identified for replacement was the load cell.The platform underwent and passed all final functional testing.In summary, the customer's reported complaint that the platform did not power on was not confirmed as the platform powered on with no issues when received at zoll (b)(4).Visual inspection of the platform did find external and internal blood contamination.The platform underwent biohazard cleaning to remedy the contamination.During functional evaluation, the platform displayed a ua 7 message.The root cause of the ua 7 message was determined to be a defective load cell.It should be noted that the ua 7 message is unrelated to the reported complaint.After replacement of the load cell, the platform underwent and passed all final functional testing.
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