The device referenced in this report was returned to olympus for evaluation.The reported complaint confirmed that the straight plug that connects to the working element had broken off from the cord, exposing the internal electrical wiring with charred stains as signs of thermal damage.White residue was observed inside the straight plug pin.Due to the risk of injury, the damaged cable could not be tested for functionality.In addition, the blue connector's lock tabs had been broken off and not returned.It is likely that excessive force was applied to the connector while trying to unplug from the esg-400 hf generator.The lot number for the returned device indicates it was manufactured november 2012.Based on the findings, the plug damage is likely caused by reprocessing, mechanical stress, and fluid invasion when the hf current was activated.The instructions manual contains warning statements in an effort to prevent damage to the cable."visually inspect the entire hf cable.Do not use a hf cable with brittle or defective insulation.Replace the hf cable if necessary.Reprocessing and mechanical stress damages the hf cable.After the first use, the hf cable has a service life of 12 months.Dispose of the hf cable after 12 months.".
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