You use your oven to help you experiment with new recipes and create old favorites, which is why you need it to function at its best. It can be frustrating when your oven doesn’t heat up, but determining the cause can help you get your appliance back in working order. Use this guide to learn more about possible causes and fixes of an oven not heating up.
WHAT CAUSES AN OVEN NOT TO HEAT UP?
While you may be able to address some oven problems on your own, others may require the help of a professional.Replacing parts of your oven and checking fuel connections are complex tasks, so be sure to schedule an appointment with a licensed technician in those cases.
1. OVEN DOOR MIGHT NOT BE FULLY CLOSED
The door to your oven helps to lock hot air inside the oven cavity to promote baking, roasting and broiling. If your oven door isn’t closing all the way, that heat can escape and leave your oven interior with low or no heat.
Ensure that you’re closing your oven door completely before turning the appliance on. Some self-cleaning ovens have a lever that secures the door into a locked position. If your oven has this locking lever, check to see that it is in the “unlocked” position before preheating. Double-check that the oven racks are in correctly and pushed in fully. Also, make sure the bakeware is not too big for the oven cavity. If your oven door is still not closing all the way, you may need professional assistance.
2. HEATING ELEMENT MAY BE MALFUNCTIONING
Whether you have a gas or electric oven, you may notice heating issues when the heating element malfunctions. Faulty or clogged ignitors can cause a problem with gas oven heating, while broken or damaged bake and broil elements can cause your electric oven to malfunction.
You may want the help of a licensed technician when dealing with heating element issues as the solutions may require complex repairs.
3. CIRCUIT BREAKER MAY HAVE BLOWN A FUSE
Sometimes the solution to an oven not heating up is as simple as taking a quick trip to your home’s circuit breaker. If your household has blown a fuse, reset the circuit breaker or replace the fuse if necessary.
4. OVEN MAY BE IMPROPERLY INSTALLED
Improper installation and disrupted power supply connection can lead to your oven not heating. Make sure all terminal wires are in the correct locations of their matching colors and that all hex nuts on the terminal block are tightly secured.Be sure to enlist the assistance of an electrician before attempting a solution involving rewiring your appliance.
Be sure to check that your gas valve has been turned on after installing a gas oven as this installation error may be the cause of your heating problems.
If your oven has not been plugged into an operational, grounded outlet with proper voltage, it will not be able to turn on and heat properly. If you’re unsure about your electrical connection, contact a licensed electrician for assistance.
5. CONTROL PANEL MAY BE LOCKED
Select models offer a control panel with a “Lock” or “Demo Mode” feature that can limit the oven’s functionality when selected. Check your oven’s control panel for the “Control Lock” button and reset it by holding the button for three seconds.
Consult your oven’s product manual for more detailed instructions about its control functions.
6. TEMPERATURE SENSOR MAY BE BROKEN
Gas and electric ovens both have a thin tube located in the back of the oven that functions as a temperature sensor. This sensor gauges the temperature inside your oven to increase or decrease heat during the baking process. If the sensor has been moved or damaged, it can cause your oven not to heat.
Inspect your temperature sensor and move it back into place if it has been bumped out of its proper position which is at a 90° angle to the back of the oven. If that doesn’t resolve the issue, you may need to replace the sensor.
WHY IS MY GAS OVEN NOT HEATING UP?
If your gas oven isn’t heating up, possible causes range from igniter and temperature sensor issues to a tripped circuit breaker or a disrupted gas line. Other potential causes include grease or debris buildup and appliance age.
Some causes for heating problems in gas ovens can be resolved by simply cleaning the oven igniter, while others may require in-depth repairs. Be sure to consult your owner’s manual and a licensed technician, when necessary, to properly resolve oven heating issues.
WHY IS MY ELECTRIC OVEN NOT HEATING UP?
Possible causes for a malfunction in an electric oven include electrical supply disruptions, broken heating elements, faulty temperature sensors and a malfunctioning control panel.
If your electric oven isn’t heating up, first check your circuit breaker for a blown fuse. If that’s not the culprit, you may need to schedule service with a licensed technician to repair or replace damaged or broken parts.
WHY DOES MY OVEN TAKE SO LONG TO PREHEAT?
Typically, it can take an oven at least 12–15 minutes to preheat depending on your desired temperature. If your appliance is taking much longer to heat up completely, there may be an issue with the airflow or electrical connection.
Avoid lining the bottom of your oven and your oven racks with tin foil as this can restrict airflow and lead to longer preheating and baking times.
Double-check the voltage of your power outlet. An oven installed on lower voltage may take longer to preheat than one installed with higher voltage.
Larger ovens or ovens with additional heating elements may have extended preheating times. Check your product manual for model-specific information.
WHY IS MY OVEN ON BUT NOT HEATING UP?
Oven repair is based on your type of oven you have and what fuel type it uses, but one of the most common reasons for an oven that turns on but doesn’t heat up is a faulty temperature sensor.
Moving the sensor back into its 90° angle position may resolve the issue, but damaged sensors need to be replaced with the help of a professional.
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