Why does my fan oven not cook evenly?
The temperature sensor is faulty Much like the poor oven calibration, a fault temperature sensor could be to blame for your oven not baking evenly. You can check your temperature sensor inside your oven by preheating and checking that the temperature sensor is rising with the heat.
Why is my oven not heating up all the way?
An oven that won’t heat is usually the result of a faulty igniter (for a gas oven) or heating element (for an electric oven). Make sure to turn off the power to your oven before servicing it. If your heating element is of the hidden variety, you may need to call a repairman to replace it for you.
How do you replace an oven knob?
Can you replace oven knobs?
Most commonly, knobs on your stove need to be replaced when the actual markings are worn or scrubbed off them. This is a common issue with the plastic knobs as years and years of cleaning can see the markings removed. The only real solution, in this case, is to replace them.