The report of the autopulse platform ((b)(4)) displaying a system error, out of service, revert to manual cpr message was confirmed during functional testing and archive data review; the root cause was due to a defective processor board.The archive data was reviewed and contained a system error 132 (internal watchdog timeout) error message.Evaluation of the platform during initial power up, revealed a system error, out of service, revert to manual cpr message on the user control panel due to a defective processor board.After replacement using a known good processor board.Further functional testing was performed by replacing using a known good processor board, this cleared the system error, out of service, revert to manual cpr message; however, the platform displayed a user advisory (ua) 7 (discrepancy between load 1 and load 2 too large) error message after it was powered back on.This is due a defective load cell and is not related to the system error, out of service, revert to manual cpr message.The processor board and load cell were replaced and the device passed full specification.The autopulse platform is a reusable device and was manufactured in 16 apr 2009.It has exceeded its expected service life of 5 years.Historical complaints were reviewed for service information related to the reported complaint and no similar complaint was reported for the autopulse platform with serial number (b)(4).
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During shift check, the autopulse platform ((b)(4)) displayed an unspecified user advisory message and then "system error, out of service, revert to manual cpr" message on the display screen.The user was not able to clear the error message.No patient involvement.
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