Per customer Sterilizer max temp obtained is 118 deg c, min required is 121 deg c. Found left inner (wire #17) burned off element at ring terminal. Stripped wire and it is shiny, does not show any signs of heat damage. Element flag ok, ring terminal came off without effort. Polished flag and ring terminal and screw with new, tested ok and elements cycling properly @ 123 deg c w/customer max temp thermometer.