Product review (2 stars): Design problem
This cooktop has a design problem. The large and small burners are on one circuit; the two 8" are on another circuit. When both burners of a circuit are on, one of them beeps. Doesn't matter which side (circuit).  GE replaced the whole board. Same problem. So, it is a design problem, not a particular board/cooktop problem. We've chosen to live with it but if you cook a lot and often, I recommend against this heartily.