The autopulse platform (s/n (b)(4)) was returned to zoll (b)(4) for analysis.External visual inspection of the returned platform shows that the short black cover was split.Internal visual inspection of the returned platform shows no damage.The external damage found during visual inspection is not related to the reported complaint.The damage appears to have been caused by normal wear and tear (autopulse manufactured in 12/2007).A review of the autopulse archive was performed and the archive data shows that a ua45 (not at "home" position after power-on/restart) fault occurred on the reported event date of (b)(6) 2014.Functional testing was performed and the ua45 fault was displayed when the platform was powered on.The ua45 fault was cleared.Upon clearing the fault, the platform passed the functional test.Based on the investigation, the parts identified for replacement were the short black cover and the white nylon screws.In summary, the reported complaint was confirmed based on review of the archive and during functional testing.The fault was found to be due to the lifeband straps not being completely pulled out prior to turning the platform on, resulting in the driveshaft not being at the home position.Per the autopulse® resuscitation system model 100 user guide (pn: 12555-001), if the driveshaft is not at its home position when the autopulse is powered on, a user advisory (45) will occur.This user advisory will persist until the driveshaft is returned to its home position.To clear a user advisory (45) pull up on the lifeband until the chest bands are fully extended (thereby moving the driveshaft back to its home position), and then restart.The physical damage found during visual inspection is unrelated to the reported complaint.Upon replacement of all parts, the platform was re-evaluated through functional testing and the platform passed all testing criteria.
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