If your oven isn’t heating properly, it could be due to several common issues. Faulty heating elements, a malfunctioning temperature sensor, power supply problems, or a damaged control board are typical causes. Diagnosing and fixing the issue may involve checking components like the heating elements and sensors or consulting an electrician for power-related problems. Proper repairs restore functionality and ensure safe, reliable operation. Learn more about our range stove and oven repair services:
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Main Issues When Oven Is Not Heating
Description and Troubleshooting of Problems
Heating Element Is Not Working
One of the most common issues with ovens is when they don’t heat up, take too long to heat, heat unevenly, or fail to reach the set temperature. This is often caused by a faulty heating element, either the broil or bake element. When you use the oven in bake mode, both elements work together to bring it to the desired temperature. If one element is malfunctioning, the other cannot do the job alone. Additionally, poor connections to the heating element can lead to inconsistent performance and affect the oven’s ability to heat properly.
Temperature Sensor Is Malfunctioning
The temperature sensor in an oven is responsible for turning the heating elements on and off to maintain the desired temperature during baking. If the sensor is faulty or inaccurate (reporting incorrect temperatures), it can lead to various issues, such as:
- Oven not heating at all
- Incorrect temperature readings
- Taking too long to heat
- Food burning or uneven cooking
To check if the temperature sensor is functioning correctly, you can use a multimeter to measure its resistance. The resistance should change with temperature and align with the specifications outlined in the manufacturer’s technical manual. If the sensor’s readings don’t match the required values, it may need replacement.
Power Issues
Electric ovens operate using 240 volts of power, distributed between the heating elements to generate heat. A common issue that affects oven performance is incorrect voltage supply. For example, if the power supply is only 180 volts instead of the required 240 volts, the heating elements receive insufficient power, causing them to function at reduced capacity. This leads to problems such as the oven not reaching its full temperature or taking excessively long to heat up. In some ovens, you might see an error code indicating issues like prolonged heating times or a malfunctioning temperature sensor. These error codes can help pinpoint the problem and guide necessary repairs.
Control Board Is Not Working
The control board in an oven plays a critical role in managing the heating process and maintaining the desired temperature. It receives signals from the temperature sensor and uses this data to activate the heating elements, ensuring even heating throughout the oven. One of the most common issues occurs when a heating element shorts out, potentially damaging the relay on the control board responsible for powering the element. This can disrupt the board’s ability to send the correct voltage, either supplying insufficient power or none at all. Our specialists can quickly diagnose this issue with a simple test. If the heating element receives the full 240V required, the control board is functioning correctly. However, if the board fails, it will either deliver less voltage than necessary or fail to supply any power to the heating element.
Repair Cost
| Temperature sensor cleaning or replacing | $200 – $330 |
| Heating element repairing or replacing | $200 – $280 |
| Control board replacing | $240-$360 |
The cost to repair an oven varies depending on the brand, model, and the complexity of the issue.
Contact Us For Any Oven Repair Service
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4 Comments
I’ve encountered the exact problem described in your article—my oven doesn’t heat at all. Could the temperature sensor be the cause, or is it more likely an electrical issue?
It could be either the temperature sensor or an electrical issue. Check the sensor with a multimeter; if it’s fine, consider an electrician for power problems.
Hi! Our oven worked fine before, but now it barely heats. How much will it cost to repait it?
The cost to repair it depends on the issue. Based on what you mentioned in your comment, there could be a bunch of different reasons why your oven isn’t heating up enough. We’d need to figure out the exact cause, so we recommend calling a repair pro. That said, just so you know, the average cost to fix an oven usually runs between $250 and $400.