New Post: Oven Repair OKC – Oven Temperature is Incorrect? Woman Showing Oven To Male Appliance Repair Technician In Kitchen If your oven does not maintain an exact temperature, you should be able to recalibrate it to 35 degrees Fahrenheit yourself. With most ovens, half a revolution should increase or decrease the temperature of the oven by 25 degrees. In a convection oven with a temperature of 375 F, turn it on and it will initially be hotter than 375 F. After about 15 minutes, it starts to control what it thinks is something. If the average temperature of the oven you are heating is different from the one you have set your control to, you may need to recalibrate it. If you follow the recipe time and temperature closely and still think your new oven is too hot or too cold, adjust the temperature to suit your specific cooking preferences. If your oven is properly calibrated but still does not heat to the correct temperature, the temperature sensor may not work. If you check that the heating element is working correctly, the electronic control system that controls the temperature of the furnace may not read the drop in temperature correctly, which could cause a problem. Even if you calibrated it when it was still too hot or too cold, you might want to look for hot spots to confirm that it has warmed up unevenly. And if it cannot be easily calibrated, use the offset temperature you calculate to manually adjust the settings. To determine whether: Click learn more.