The autopulse platform (s/n (b)(4)) was returned to the manufacturer for evaluation.Visual inspection was performed and no damages were observed.The reported complaint of the platform displaying a user advisory could not be duplicated during functional testing.The platform was run for 30 minutes with a test mannequin and no issues were encountered.The platform passed functional testing.The archive showed both user advisory 12 (lifeband® not present) and user advisory 18 (max take-up revolutions exceeded) codes occurring on the reported event date of (b)(6) 2014, thus confirming the reported complaint.Further inspection did not identify any issues with the platform that may have caused or contributed to the observed user advisories.As no issues were found with the platform, the probable cause of the ua 12 was the belt clip not being detected in the spool shaft due to improper connection of the lifeband onto the platform.The probable cause of the ua 18 was no load change detected at the load plate due to no object on the platform while it was in operation.Based on the investigation, there were no part(s) identified for replacement to address the reported complaint.In summary, the reported complaint of the platform displaying user advisories was confirmed during archive review.Both ua 12 and ua 18 codes were seen in the archive occurring on the reported event date.A cause for the ua codes could not be determined.However, probable causes include improper connection of the lifeband leading to the ua 12 and no object on the platform while it was in operation leading to the ua 18.Following service, the platform passed all testing criteria.
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