The reported device intended for use in treatment, was received for evaluation.There was a relationship found between the returned device and the reported incident.A visual inspection was performed on the product and no issue was observed.Complaint of smoke was confirmed.Product failed functional testing with a short circuit error and burnt odor.Cause of errors is a shorted electronic component on the main digital pcb.Burnt odor was caused by a burned resistor on main pcb.Product passed functional testing with a known good main pcb installed.The complaint investigation has concluded the cause of the failure to be defective electronic components on the main digital pcb.A review of the device history records showed there were no indications to suggest that the product did not meet manufacturing specification or would not be able to perform as intended.A complaint history review concluded this was a repeat issue.
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