Product in complaint was returned to zoll on (b)(4) 2014 for investigation.Investigation results as follows: the autopulse platform was returned for evaluation.Visual inspection was performed and the following was confirmed: the front enclosure and battery lock were damaged.From the condition of the returned platform, the damages appear to be due to normal wear and tear.During power on of the platform prior to testing, a user advisory (ua) 45 (not at "home" position after power-on/restart) message was displayed.Inspection of the device confirmed this was caused by the driveshaft being out of its home position.Following re-positioning of the driveshaft, the fault was cleared and functional testing was continued.During testing, the reported issue of the lifeband not retracting could not be replicated.The platform was run with a test manikin for 17 minutes and an additional 7 minutes with a large resuscitation test fixture (lrtf) with no faults found.A review of the archive did not show any user advisories occurring on the reported event date of (b)(6) 2014.The archive does however show that on (b)(6) 2013, multiple ua 45 faults had occurred, consistent with the customer reported issue.Based on the investigation, the part(s) identified for replacement are the front enclosure and battery lock.In summary, the reported complaint was confirmed.Ua 45 faults were observed in the archive as well as during power on of the platform prior to functional testing.Inspection of the platform identified the cause to be the driveshaft being out of its home position.Following service, including replacement of the damaged parts and repositioning of the driveshaft, the device passed all testing criteria.
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