Samsung Electric Range will preheat and then drop temperature NE59K3310/NE59K3321

[smouton]

Model Number

NE59K3310

Brand

Samsung

Age

1-5 years

You can set it to preheat and it reaches desired selection. Then it drops and does not continue to hold up to temperature. I have to turn it off and reset to preheat continually to bake anything. Stovetop works fine. Only 2 years old. Can anyone assist with what may be wrong? Thanks in advance!

 

[rickgburton]

Sounds like the control board is the problem. Unfortunately I don't have any service info on that model. If you can post a copy of your wiring diagram and tech sheet it would be very helpful. It's located on the back of the machine: