The autopulse platform (s/n (b)(4)) was returned to the manufacturer for analysis.Visual inspection of the returned platform shows no physical damage to the platform.A review of the autopulse archive was performed and the archive data shows that user advisories (uas) 45 (not at "home" position after power-on/restart) and 12 (lifeband® not present) occurred on the reported event date of (b)(6) 2014.However, these user advisories are not related to the reported complaint.Functional testing was performed and the reported issue could not be reproduced.The autopulse platform ran for 5 minutes with the test mannequin and additional minutes with the large resuscitation test fixture (lrtf) and no problems were observed.The platform passed functional testing.Based on the investigation, the lcd display will be replaced as a precaution.In summary, the reported complaint was not confirmed during visual inspection or during functional testing.The user advisories noted in the archive review are unrelated to the reported complaint.The root cause for ua45 and ua12 could not be determined.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.User advisory 12 is an indication that the autopulse has detected that the lifeband is not properly installed.Upon replacement of the lcd display, the platform was re-evaluated through functional testing and the platform passed all testing criteria.
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