The device history records for the sam 350p device was reviewed and this confirmed that all manufacturing and quality checks and tests had been successfully completed.The sam 350p passed ¿out qat¿ from heartsine technologies on the 8th january 2014.Upon receipt, the device was switching on upon installation of a pad-pak and could not be powered off via the on/off button, as per the reported fault.This was attributed to corrosion on track 13 (on_button) and 14 (key3_button) of the membrane tail.Furthermore, the speaker was measured and found to have failed, which had led to no audio prompts upon receipt at heartsine.Due to the corrosion observed within the device, it is likely that this was a further consequence of storage outside of the indicated conditions.The failure of the speaker did not prevent the device from delivering shock therapy, as demonstrated during the investigation, as the device continued to prompt therapy via the instructional leds.The corrosion observed on the membrane tail alongside discolouration of the rubber feet would suggest the device had been stored outside of the indicated conditions.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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