Why doesn't my oven stay on?

Author: Mrs. Heloise McCullough I  |  Last update: Monday, June 15, 2026

The possible reasons your oven is not working may include a broken baking or broiling element, a malfunctioning spark element (spark electrode), a broken igniter, a blown fuse, an issue with the control board, or outlets not providing enough power to the oven.

Why won't my oven stay on?

  • Thermal Fuse : Many ovens have a thermal fuse that cuts off power if the oven overheats. If this fuse blows, the oven will stop heating.
  • Heating Element Failure : The heating elements can wear out over time.
  • Faulty Temperature Sensor : The temperature sensor measures the oven's internal temperature.

Why does my oven keep kicking off?

Your gas oven could be turning off because its ventilation system is blocked. Additionally, your gas ignitor could be damaged or failed to light, you could have a broken thermostat, or you may be low on gas. Finally, your gas line may be blocked.

How much does it cost to replace the temperature sensor on an oven?

To replace your oven sensor, you'll pay between $100 and $250.

Why does my oven turn off when I release the knob after lighting?

The thermocouple is a device that sits at the edge of the flame... This device warms in the flame and sends a 30mv signal to the gas valve to open, allowing full amount of called-for gas to the oven... If the thermocouple cannot sense the flame, then it sends no signal and therefore the valve closes and wont stay lit.

Oven not heating right? Watch this first.

Why does my oven automatically turn off?

A lot of modern ovens come equipped with a protective safety measure to stop them from overheating. This typically comes in the form of a circuit breaker, cutting power to the oven in the event that it gets too hot.

Why won't my stove stay lit?

Over time, the burner ports can get blocked by debris, grease, or food particles. These blockages can prevent the pilot light from staying lit. To clean the burner ports, turn off the gas supply and remove the burners. Gently clean out any buildup using a soft brush or a toothpick.

What are the symptoms of a bad oven sensor?

8 Symptoms of Bad Oven Temperature Sensor
  • #1. Longer Cooking Times: ...
  • #2. Lack of power from the sensor. ...
  • #3. Undercooked Food: ...
  • #4. Premature shut off: ...
  • #5. Unevenly Cooked Food: ...
  • #6. Oven Overheating: ...
  • #7. The oven is not turning on. ...
  • #8. Temperature spikes.

Is it cheaper to repair or replace an oven?

The rule of thumb is that if repair costs exceed 50% of the price to install a new oven, you should buy a new oven instead of replacing it. For example, if your oven costs $2,000 but costs $1,500 to repair, you could use that $1,500 for a new and improved oven.

What are the symptoms of a faulty temperature sensor?

What Are The Symptoms of a Faulty Temperature Sensor?
  • The equipment is experiencing intermittent thermocouple failure.
  • Instruments are showing “Open Circuit”.
  • The temperature gauge on your equipment isn't reading accurately.
  • The equipment stops heating or cooling properly.
  • The equipment is overheating.

How to tell if an oven thermostat is broken?

Make sure the multimeter is calibrated and then turn the dial to the lowest ohm rating. Place the multimeter on the thermostat. If the thermostat has a reading of zero or as close to zero as possible, it is working fine. However, if it has no reading at all, your oven thermostat is faulty and will need replacing.

How do you reset the oven?

Turn the circuit breaker to the OFF position or remove the fuse. Wait one minute, then turn the circuit breaker back to the ON position or install the fuse to reset power to the appliance. This should reset the electronic controls on the Range or Wall Oven.

Why does my oven light keep going out?

Loose connections

If a bulbs isn't properly fitted into its housing, the electrical current could jump or “arc” to reconnect with its source. Constant arcing can cause the light bulb to blow because of the high heat. We recommend having a licensed technician come in to replace a faulty light fitting.

Why does my oven keep turning off after a few minutes?

Check Ventilation: Ensure that the vents and fans are not obstructed, allowing proper airflow. Reduce Cooking Time: Try reducing the cooking temperature or time for the dish you're preparing. A malfunctioning thermostat can also lead to oven shutdowns.

How do you fix a oven that won't turn off?

Typically, with this issue, the only way to stop the oven from heating is to unplug it or turn it off in the electrical panel (breaker box). The most common causes of the issue are a fault with the control board or a damaged heating element.

How to clean an oven thermocouple?

Gently scrub any corrosion or oxidation on the thermocouple tip using very fine steel wool or a green cleaning pad. Take care not to bend or damage the internal sensor.

What is common problem of an oven?

If the oven is receiving power, various issues could be preventing it from turning on. Common electric oven problems include a broken wire; a bad control, a bake, or broil element; or the wrong amount of power coming to the unit. Common gas oven problems include a faulty gas control, igniter, or valve.

What is the life expectancy of an oven?

The life expectancy of an electric oven is around 13 - 15 years. The life expectancy of a gas oven is around 15 years. The life expectancy of a dual-fuel oven is also around 15 years. However, the lifespan of these kitchen appliances depends on how frequently you use them.

Is it worth fixing a 7 year old oven?

Considering ovens can last 15 years (and sometimes more), it is likely a better idea to repair a 10-year-old oven, assuming the repair won't cost more than 50% of the oven's value. So, for instance, if your oven is worth $1,200 and the repair is only $400, it's a better option to complete the repair.

How do you know if something is wrong with your oven?

7 Signs You Need Oven Repairs
  • Gas or Other Unusual Odors. If you smell rotten eggs and there are no eggs around, there may be a gas leak. ...
  • Electrical Glitches. ...
  • Overcooked or Undercooked Food. ...
  • Longer Preheating. ...
  • The Door Won't Stay Shut. ...
  • The Burners Don't Work. ...
  • Strange Noises.

How much does it cost to replace an oven sensor?

Cost to fix oven sensor

The cost to fix an oven sensor is $100 to $250 for replacing the part or more with OEM parts and wiring. This sensor alerts the control board to the current oven temperature.

Why is my oven not staying at temperature?

If your oven is not maintaining the correct temperature, it could be due to a malfunctioning thermostat, a faulty heating element, or a malfunctioning temperature sensor. The issue may also simply be a need for calibration or keeping the door closed.

Why does my stove keep turning off?

Depending on power setting and number of burners in use, burners on an Electric Cooktop may shut off as a precaution to avoid overheating. Turn the home circuit breaker to the unit off for 30 seconds and back on again. Retest the unit operation.

Why does my stove light keep burning out?

LOOSE CONNECTIONS

A loose connection in the lamp fixture can cause bulbs to blow, especially if your oven is older or the light fitting has been impacted by oven shelves, trays, or pans.

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