Devilbiss healthcare was notified of a complaint involving an oxygen concentrator by a provider stating that "a spark came from underneath machine." there was no report or evidence of illness, injury or medical treatment associated with the complaint.The unit was returned to devilbiss for investigation and the root cause of the spark was the power cord being damaged at the strain relief, causing wires to be exposed.The power cord was replaced, and a full inspection was completed.The unit passed all manufacturing specifications and can now be used as intended.
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