= Maintenance of the main unit Wipe off stains lightly with a soft cloth. Ifa stair Is severe, wipe it off with a cloth dampened with neutral detergent solution and wrung tightly, and dry It with dry cloth. +o riot use benzene or thinner, etc, Do not spray any volatile chemical sooth as insecticide on the cabinet. Phenomenon el Remedy Power doss not coma on, +The USE charging cable Is not connected 10 the AC Adapter, +Check that the USB charging cable Is connected securely. Ho sound is output.