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Notes Before it Works Serving
If the power plug is exposed to dust, humidity, or oily smoke, the resulting buildup can prove to be a fire hazard. (The buildup of dust, for instance, can absorbmoisture and suffer insulating failure.) Be sure to disconnect the power plug on a periodical basis, and remove any buildup of dust and dirt with a dry cloth.
At servicing, be sure to turn OFF the power source according to the specified steps and disconnect the power plug.