The autopulse platform (s/n (b)(4)) was returned to the manufacturer for evaluation on 11/2/2015.Investigation results are as follows: visual inspection of the returned platform was performed and it was found that the battery lock was bent.Please note that the damage observed during visual inspection is unrelated to the customer's reported complaint.A review of the platform's archive was performed and no user advisories or warnings were observed on the reported event date of (b)(6) 2015.Multiple user advisory (ua) 45 (not at "home" position after-on/restart) messages were however observed on other dates, thus confirming the customer's reported complaint.Initial functional evaluation of the returned autopulse platform was unable to be performed as a user advisory (ua) 45 was observed upon power up.Further inspection identified the cause to be that the driveshaft was out of its "home" position.After the driveshaft was rotated back to the "home" position, the platform was run with a large resuscitation test fixture (lrtf) for approximately 10 minutes and no additional faults or warnings were observed.Based on the investigation, the parts identified for replacement were the battery lock and clutch plate.In summary, the reported complaint of the platform displaying error codes and not working properly was confirmed through platform archive review and functional testing.Multiple user advisory 45 codes were observed in the archive and a ua 45 was displayed upon power up.The ua 45 codes were due to the driveshaft not being in the "home" position, possibly as a result of the lifeband straps not being fully extended prior to pressing start.The physical damages found during inspection and servicing of the device are unrelated to the reported complaint.The platform is a reusable device and therefore, these types of physical damages can occur due to normal wear and tear and/or physical abuse.After replacement of the parts identified during investigation, the platform passed all final functional testing criteria.
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