Upon receipt, the device would continuously rest after the device emitted an audible beep when powered on via the on/off button and could only be powered off by removal of the pad-pak, as per the reported fault.This was attributed to a short circuit fault on the returned speaker, which had resulted in an intermittent load on the 3.3 v line, causing the device to periodically reset when powered on.The device performed test shocks as required during investigation indicating its ability to deliver therapy was unaffected by this malfunction.
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