The device history records for the sam 500p device and pad-pak were reviewed and this confirmed that all manufacturing and quality checks and test had been successfully completed.No rework was conducted.The sam 500p passed ¿out qat from heartsine technologies on the 11th september 2013.Y1 is an integral component within the rtc circuitry.During the investigation, the crystal was found to have no measurable output, indicating a failure of the crystal.This prevented the rtc from functioning correctly and resulted in a number of failures, including an incorrect date and time stored on device, an inability to synchronise to pc date and time, and a ¿device service required¿ prompt as per the reported fault.All faults were rectified subsequent to a new crystal being installed.The device successfully performed all weekly auto self-tests up to the 15th november 2015.Therefore, it is concluded the component failed after this date.The device was still able to deliver shock therapy as demonstrated during the investigation.It is the policy of heartsine not to refurbish devices which have been returned from the field, after investigation, therefore this device shall be scrapped and replaced with another device of the same model.
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