The reported complaint that the autopulse platform (sn 34116) displayed "system error, out of service, revert to manual cpr" error message was confirmed based on the review of the archive data and during functional testing.The apvision software was reloaded to clear the system error message.The root cause of the system error is possibly related to a communication error that caused a latch up of the processor board.Visual inspection of the returned platform was performed, and no physical damage was observed.The archive data review showed multiple occurrences of system error - 132 (internal watchdog timeout), thus confirming the reported complaint.The autopulse platform failed initial functional testing due to the "system error, out of service, revert to manual cpr" error message displayed upon powering up the device, thus, confirming the reported complaint.The apvision software was reloaded to clear the system error message.As a precautionary measure, both processor cables were also replaced, as there may have had some intermittent issue that could not be directly identified during the functional testing.Following service, the autopulse platform passed the run-in test without any fault or error.The autopulse platform passed the final testing without any fault or error.Historical complaints were reviewed for service information related to the reported complaint, and two similar complaints were found for the autopulse platform with serial number 34116.Ccr 51422 documented on september 30, 2020 and ccr 77214 documented on sept 12, 2023.The system error was cleared using apvision3 software.
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