Charlie for Model Number FE710DRS/XAA Both the convection and conventional oven temperatures do not hold the temperature set. We set the temperature, the oven indicates it has reached the set temp but after 15 minutes if we turn off then turn back on it is showing the temperature is considerably lower and then it slowly returns to the set temperature again. We have verified this with a thermometer. I would assume this is the control board since I would guess both the lower and upper have separate thermo sensors and both have the same problem.
Answer Charlie, You would want to test the sensors for a resistance of 1090 ohms but does sound likely that the control board would be the issue. Read More... Answered by AppliancePartsPros.com | Monday, November 19, 2018