The autopulse platform (s/n:(b)(4)) was returned to zoll for evaluation.The reported malfunction was confirmed.The drive train motor was replaced to remedy the issue.Visual inspection was performed and the short black cover was found damaged unrelated to the reported issue.During initial functional testing and archive data review, a user advisory (ua) 2 (compression tracking error) and a ua 16 (timeout moving to take-up position) message were observed.To resolve the ua messages, the drive train motor was replaced.Additionally, to ensure the platform is functional without further issue the damaged short black cover observed during visual inspection was also replaced.After the repair, the platform was re-evaluated.The platform passed testing with no faults found.An annual preventative maintenance was performed.The autopulse passed all final testing criteria.Historical complaints were reviewed for service information related to the reported complaint and there was no previous complaint reported for autopulse with serial number (b)(4).
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