REPAIR > RANGE/STOVE/OVEN > LITTLE OR NO HEAT WHEN BAKING

How To Fix An Oven With Little Or No Heat When Baking

Repairing a range, oven, or stove can seem like a big task, but our customers tell us how easy it is every single day. To help you diagnose the symptom of little or no heat when baking for a range, oven or stove, we’ve created this guide of the parts most likely to fix the no heat problem. Use this information to understand how a range or oven works, how to determine which part is the cause and how to get the right part for your model. You can also get more details on your specific range, oven, or stove by entering your model number into the search box.

Bake Element

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  • - Takes 15 - 30 minutes
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The bake element is the heating element that is found at the bottom of the oven. Most electric ovens use both the bake element and the broil element in a bake cycle, with the bake element performing 90% of the heating. If the bake element isn’t working, the oven may not reach the set temperature or will take longer to reach that temperature, and food will normally burn on the top. To help determine if the bake element is defective you should first do a visual check. If the element is blistered or separated then it should be replaced. If the element appears to look normal, then turn the oven on to a bake function for a minute and then turn it off.

Check the element for signs of heating and if it is still cold then it may be defective. Disconnect the power and then remove the back panel. First check the wires as they may have become loose or corroded. If the element appears to be fine visually, test it for continuity with a multi-meter. If the element is burned or no longer has continuity, it will need to be replaced. If the element is ok then you will need to check the bake circuit to determine the cause. This involves live voltage checks and should only be performed by qualified persons. Components to check include fuses, if the range is equipped, and oven control thermostat or electronic control.

Oven Control Thermostat

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  • - Takes 30 - 60 minutes
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The oven control thermostat is located in the main control panel and controls the bake and broil elements. It is a temperature controlled switch and as such will have contacts that supply power to these elements. A malfunctioning thermostat can cause your oven to produce too little, too much or no heat at all. For a symptom of not enough heat the oven thermostat, although unlikely, may be at fault. You should eliminate all other components first. Some controls can be calibrated up to 50 degrees Fahrenheit but you will require an accurate thermometer to perform this task.

The adjustment screw is normally located on the back of the control, but if sealed, it is not meant to be calibrated. Remove power to the appliance before performing this test. If the bake or broil elements are not receiving power, then you can check the appropriate contacts of the oven thermostat for continuity with a multi-meter.

Temperature Sensor

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    • - Takes 30 - 60 minutes
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    On modern electronic control ranges, the oven temperature sensor is the part that monitors the oven temperature and signals the electronic control to turn the elements on and off. If it is not working properly it could be the reason why the oven is producing little or no heat. This part can be found inside the oven and is usually located near the broil element. Most modern ovens will display a fault code if the oven sensor is at fault. If you think the sensor may be the issue you can check the resistance with a multi-meter but will need to know the correct resistance of the sensor at room temperature. Remove power from the appliance before performing this test.

    Electronic Control Board

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      • - Takes 15 - 30 minutes
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      Most modern ovens use an electronic control board to control the oven functions. These models will use the control board to operate the bake and broil elements. If there are no fault codes displayed then you should check for power to the elements. If there is no power to the elements, then you should check the control board to verify that there is power at the appropriate output relay. These are live voltage checks and should be performed by qualified persons only. If there is no output voltage then the control should be replaced.

      Fuses

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      • - Takes 30 - 60 minutes
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      If your oven has internal fuses, a wiring or component problem could have caused a fuse to blow. A blown fuse is an indication that a component has shorted or failed, and the problem will need to be corrected. Most ovens that use fuses will have an indication of the circuits that are affected by a particular fuse. If an oven fuse has blown, then you should inspect the oven element and the associated wiring to determine the cause before replacing the fuse. Do not change the rating of the fuses.

      More Repair Parts

        We’ve identified the most common parts that can cause an oven to not heat up when baking, but there are other parts that could be at fault. If you are unable to fix your oven, range, stove with the information above, enter your model number into the search box for additional repair help. Searching with your model number will give you access to all parts and schematics, symptoms for your specific oven range or stove as well as all installation instructions and videos.