It was reported that during patient use, the autopulse platform performed one compression, then stopped and displayed a "system error, out of service, revert to manual cpr" message.Customer switched out the battery to a li-ion battery (sn: (b)(4)) and then to a nimh battery (sn: (b)(4)) but the message did not clear.No adverse patient sequelae was reported.No further information was provided.
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The autopulse platform was returned to zoll on 08/19/2014 for investigation.Investigation results as follows: visual inspection was performed and no damages were observed to the autopulse platform.Upon power on of the platform, a "system error" (error code 132 - internal watchdog timeout) was displayed, thus confirming the reported complaint.Due to the error message, no further testing could be performed.Further inspection of the device identified the cause of the "system error" message to be a defective system processor pca board.A review of the platform's archive data was performed and found no user advisories on the reported event date of (b)(6) 2014.However, a system error code 132, consistent with the reported complaint was observed on 04/02/2014.Based on the investigation, the part(s) identified for replacement was the system processor pca board.In summary, the reported complaint of the platform displaying a "system error" message was confirmed upon functional testing as well as during platform archive review.Based on evaluation of the platform, the "system error" was due to a defective system processor pca board.Following service, including replacement of the system processor pca board, the platform passed all test requirement.
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