It was initially reported that the outer cover of the autopulse platform was cracked, on the top side near where the lifeband is placed.No patient involvement was reported.No further information was provided.The autopulse platform was subsequently returned to zoll for investigation.During investigation, the platform exhibited a "system error".Although the customer did not report this, a "system error" is considered a reportable malfunction.
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The autopulse platform (s/n (b)(4)) was returned to the manufacturer for evaluation.Visual inspection was performed which found that the top cover, front encoder, battery compartment, motor cover and head restraint brackets were all damaged.Initial functional testing was performed and no faults or errors were exhibited.The platform also underwent and passed all final functional testing.However, during final inspection the platform exhibited a "system error".Further inspection determined that the processor board was defective.The processor board was replaced to remedy the "system error".A review of the archive was performed and found no anomalies or errors to have occurred on the initial reported event date of (b)(6) 2015.Based on the investigation results, the parts identified for replacement were the top cover, encoder cover, motor cover, battery compartment, restraint brackets and a processor board.In summary, the customer's reported complaint of the top cover being cracked was confirmed through visual inspection of the platform.The root cause of the damage was determined to be normal wear and tear, as the covers to this platform were last replaced in 2007.Following service, the device passed all testing criteria.
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