The customer stated the power supply was smoking and melted.There were no signs of burning, melting, or smoking of the base unit or any of the meters.They unplugged the base and hooked up a new power supply.The base has been working acceptably for two weeks.The suspect base was requested to be returned for investigation.There was no adverse event.
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The suspect power supply was received for investigation.A visual investigation was performed and the prongs of the plug were damaged/burned.The charging function was tested using the returned power supply and a retention base unit, a meter, and a battery.The meter charged according to specifications and no smoke or melting was observed during or after charging.The prongs did not have any additional damage/burning.There was no unusual "warming up" during charging process observed.It was determined the product performed according to specification.
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