Bcct6n cook top .. Display meanings.. Whichever on button I push , the same 4 "o" show up on the display . The "o" is the smaller top half of the "0" only. Once the o is displayed I can't go up or down By number in the display. The cook top is totally inoperable .... Ps : I turned power off for 20 seconds and them back on. That didn't make any difference. I also have a surge protector on the main circuit board and it is operational.