Approximately three months ago I started noticing that my oven would heat up to the desired temperature but would not maintain the temperature. I do not use the oven often so I did not think much of it at that Time, I figured I would fix it at a later date. Approximately two weeks ago I tried to start the oven so I could monitor the problem and as soon as I set the oven temperature The oven beeped as if the temperature was reached without even starting the oven. I first tried unplugging the oven to see if there was an error code that would come up and I got F3. I followed a post on this forum and went through the first steps of fixing it based on recommendations from Gene. Number one change oven sensor-check. Still got the F3 error. Number to change the oven sensor plug and replace with porcelain wire nuts – check. Still got F3 era code. Number three change control panel – check. Still getting F3 era code. Any suggestions?