Investigation results for the returned platform as follows: visual inspection of the returned platform was performed and found that the wire loops on the top cover were damaged and both the front and bottom covers were cracked.None of these parts effect the functionality of the platform.The physical damages found during visual inspection confirmed the customer's reported complaint of damaged head restraints.The system was turned on/off with no problems and ran using a 95% patient test fixture for several hours with no anomalies or errors exhibited.A review of the platform's archive was performed and found no errors or anomalies on the reported event date of (b)(6) 2015; however, user advisory (ua) 18 (max take-up revolutions exceeded) error codes were noted to have occurred on (b)(6) 2014, the last record of customer usage in the archive.No parts were replaced to remedy the customer's reported complaint of the platform exhibiting a ua 18.All parts which were noted to be damaged during the visual inspection of the platform were replaced.The platform underwent and passed all final functional testing.The customer's reported complaint of the platform exhibiting a ua 18 was confirmed through review of the platform's archive.The root cause of the exhibited ua 18 was determined to be have been due to no significant load being placed on the platform.At the time that the ua 18 occurred, the archive showed that there was no change in the load.The autopulse® was designed to exhibit ua 18 to prevent patient harm.
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