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7 Reasons Your Oven is Not Working and How to Fix the Issues
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Repair & Maintenance
Article
12 minutes

Guide to Oven Repair

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AHS Editorial Team
May 26, 2026

Most oven problems—like an oven not heating up or stove fixes—can be traced to a small number of electrical, gas, or temperature-related issues, many of which can be identified with basic troubleshooting.

Expert performing oven maintenance

Few things disrupt a day faster than an oven that won’t cooperate, especially when dinner plans are already in motion. From food not cooking evenly, to ovens that aren’t working at all, trouble usually strikes at the time you need to use the appliance most.

In many cases, oven issues stem from worn parts, interrupted power, or components designed to shut things down for safety. Some fixes are simple and safe to check on your own, while others require professional attention, particularly when gas or internal controls are involved.

This guide walks through the most common oven problems, how to spot what’s likely causing them, and when it makes sense to stop troubleshooting and call in expert help.

Key takeaways

  • Most oven issues trace back to a handful of components. Heating elements, igniters, sensors, and door seals are common trouble spots.


  • Some fixes are DIY-friendly, but not all are safe. Basic checks can help rule out simple problems, while gas and electrical repairs are best left to the Pros.


  • Regular care can prevent bigger breakdowns. Cleaning, gentle use, and routine inspections—especially for gas ovens—can help extend the life of your appliance.

Why is my oven not heating up?

When your oven is not heating up, the cause usually comes down to one failed part, or a power or gas issue preventing heat from reaching the oven cavity. The components that generate heat work differently across electric vs. gas models, which also means both models require different solutions.

In most cases, an oven not working properly shows up in one of two ways:

  • The oven won’t heat at all
  • The oven is not getting hot enough or won’t reach the set temperature

Here’s how heating problems vary across the two oven types

Why is my electric oven not heating up?

If your electric oven is not getting hot enough, the problem is often tied to a failed electrical component. Electric ovens rely on steady power and properly functioning internal parts to generate and regulate heat.

Common causes include:

  • A faulty heating element. The heating element is responsible for producing heat inside the oven. When it burns out or breaks, the oven may stop heating altogether.
  • A broken temperature sensor. The temperature sensor monitors heat levels and signals the control board. If it fails, the oven may think it’s hotter—or cooler—than it really is.
  • A tripped circuit breaker. Electric ovens draw significant power. A tripped breaker or blown household fuse can cut electricity to the oven.
  • A blown thermal fuse. The thermal fuse is a safety device that shuts down the oven if it overheats. Once blown, the oven will not heat again until the fuse is replaced.
  • A malfunctioning control board. The control board manages oven functions, including temperature regulation. When it fails, heating elements may not receive the signal to turn on.

A worn or damaged oven door seal. If the door seal is cracked or loose, heat escapes. This can cause the oven to run constantly but still not achieve the optimal temperature.

Skip the guesswork

AHS home warranty members with select plans can use our video chat* feature to connect with an Expert to assess or fix oven issues right from your kitchen.

*Video chat available as a member benefit with select AHS plans. Video chat hours are from 8AM - 9PM CST, 7 days/week. Subject to change.

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Homeowner video chatting in front of open oven

Why is my gas oven not heating up?

A gas oven not heating up usually points to an ignition or gas flow issue. Because gas systems involve open fuel lines, gas oven repair should always be approached with caution.

Common causes include:

  • A faulty igniter. The igniter lights the gas that heats the oven. If it’s weak or broken, the gas won’t ignite, leaving the oven not heating up at all.
  • Gas supply issues. If the gas line is kinked, shut off, or blocked, the oven won’t receive fuel. If the oven is not heating up and the burners also won’t light, the issue is often related to gas supply.
  • A faulty temperature sensor. Just like electric ovens, gas models rely on sensors to regulate heat. A failing sensor can prevent the oven from reaching the correct temperature.

A defective gas safety valve. The gas safety valve controls gas flow to the oven. If it fails, gas won’t reach the burner, and the oven will stop heating.

Oven coils and rack

How to fix an oven that won’t heat up

When your oven is not getting hot enough, some issues can be handled with basic troubleshooting, while others signal a bigger problem that requires professional help. Before starting any electric or gas oven repairs, turn off power to the oven at the breaker and shut off the gas supply if you have a gas model.

These steps walk through how to safely diagnose common problems when an oven is not working as it should.

Check the power supply

Electric ovens rely on a steady electrical connection to heat properly. If your oven suddenly stops heating, start here.

  1. Check your home’s circuit breaker or fuse box for a tripped breaker.
  2. Reset the breaker and try turning the oven on again.
  3. If the breaker trips repeatedly, stop troubleshooting and call a Pro. This may indicate a wiring issue.

A disrupted power supply can make it seem like you need to fix stove components when the problem is actually external to the oven.

Check the heating element

For electric ovens, a faulty heating element is one of the most common reasons an oven is not working.

  1. Make sure the oven is fully powered off at the breaker.
  2. Locate the heating element inside the oven cavity. Make sure it isn’t hot before proceeding.
  3. Use a screwdriver to remove the mounting screws and gently pull the element forward.
  4. Disconnect the wires and install the replacement element by reversing the steps.

If the element is visibly damaged or burned out, replacement may restore normal heating. If the heating element is hidden or requires accessing internal wiring, replacement is often best left to a repair Pro.

Test the oven igniter

Gas ovens depend on a working igniter to light the gas that heats the oven.

  1. Remove the broiler or storage drawer to access the igniter.
  2. Turn the oven on and observe the igniter. If it does not glow or spark, it may be faulty.
  3. To replace it, unscrew the igniter from its mounting bracket, disconnect the wire harness, and install the new igniter by reversing the steps.

If a gas oven not heating up is paired with burners that also won’t light, the issue may go beyond the igniter. In those cases, gas oven repair should be handled by a Pro due to safety risks.

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Expert inspecting inside of oven with flashlight

Inspect the temperature sensor

When an oven is not getting hot enough or heats unevenly, the temperature sensor may be to blame.

  1. Make sure the sensor is not touching the interior oven wall.
  2. Use an ohmmeter to test the sensor’s resistance. The resistance should increase as the oven temperature rises.
  3. If the sensor fails the test, replace it by disconnecting the sensor from its wiring harness, removing it from its mounting bracket, and installing a new sensor by reversing the steps.

If your oven still isn’t heating correctly after replacing the sensor, return to checking the heating element or igniter.

Check the door seal

A damaged or worn door seal allows heat to escape, which can prevent the oven from reaching the correct temperature.

  1. Inspect the seal for cracks, looseness, or visible wear.
  2. Replace the gasket if it no longer forms a tight seal.

Check internal components

If basic checks don’t resolve the issue, the problem may be inside the oven’s control system.

  • For gas ovens, a defective gas safety valve can prevent gas from reaching the burner.
  • For electric ovens, a malfunctioning control board may stop the heating element from receiving power.

Because these components affect safety and electrical flow, repair and replacement is best handled by Pros.

Recalibrate the oven temperature

If your oven turns on but consistently runs too hot or too cool, recalibration may help.

  1. Heat the oven to 350°F.
  2. After 20 minutes, check the internal temperature using an oven thermometer.
  3. Continue checking every 20 minutes for up to two hours.
  4. Add the temperature readings together and divide by the number of readings to find the average temperature.
  5. Adjust the oven’s temperature dial based on the difference.

Recalibration can help resolve issues when an oven is not getting hot enough but still appears to function. If your oven has a convection setting, keep in mind that it may automatically adjust temperatures compared to standard bake, which can make calibration differences more noticeable.

Scrubbing inside of oven with rubber gloves on

Other common oven problems and fixes

An oven not reaching the proper temperature is not the only kind of oven breakdown you might encounter. From stove fixes to lightbulb substitutions, here are some other common oven problems and how to fix them.

Gas stove burner won’t light

If you have a gas stove and the burner won’t light, the issue is often related to the igniter or a buildup of food debris.

You can try the following steps:

  1. Lift off the burner grate, burner cap, and burner base.
  2. Clean food debris from the burner using a toothpick or compressed air.
  3. Clean the grate, cap, and base before reassembling.
  4. Check the wires connecting the igniter to the control module. Tighten any loose connections.

If the burner still won’t light and there’s no obvious issue like a power outage, the igniter may need to be replaced. In some cases, the problem could also point to a gas line issue. Because this can be hazardous, it’s best to stop troubleshooting and call a Pro.

Electric burners won’t heat

Electric range burners rely on a steady electrical connection. If one burner won’t heat, it may be failing—or the socket beneath it may be damaged.

To troubleshoot:

  1. Turn off the range at the breaker before inspecting or swapping any components.
  2. Swap the burner with one you know works by unplugging it from the socket.
  3. If the working burner heats up, replace the original burner. If the working burner does not heat, inspect the socket for burn marks or damage.
  4. Replace the socket if needed, then test again.

If the problem continues, the infinite switch may need to be tested and replaced.

Oven door won’t shut

An oven door that won't shut properly is unsafe to use. Heat escapes, cooking becomes uneven, and cabinet surfaces nearby can sustain damage over time. Fire risk is also a real concern if the gap is significant.

To inspect the door:

  1. Check for any visible obstructions preventing the door from closing fully.
  2. Inspect the door liner for bending or warping, which can make the door appear misaligned even when the hinges are fine.
  3. Check the door gasket. If it's worn, cracked, or pulling away from the frame, it may not be sealing properly. Gasket replacement is usually a straightforward DIY fix.
  4. If there are no obstructions and the gasket looks intact, the hinges are likely the issue. Damaged hinges are generally not repairable and need to be replaced, always in sets. Hinge replacement is best handled by a repair Pro, as spring-loaded hinges can unload rapidly and cause injury.
  5. If the door still won't close, the door sensor may be interfering with closure on some modern ovens. Schedule a Pro to diagnose it.

Oven light is out

An interior oven light that’s burned out is one of the simplest fixes.

Here’s how to replace it:

  1. Remove the bulb cover by turning it a quarter-turn counterclockwise.
  2. Pull the old bulb straight out.
  3. Install a new bulb of the same type using gloves or a dry cloth.
  4. Replace the cover and restore power.

Oven won’t self-clean

If your self-cleaning cycle won’t start or stops working, the issue may be related to settings or a failed internal component.

Start by checking the basics:

  1. Follow the manufacturer’s instructions carefully when starting the cycle.
  2. Make sure all timers and knobs are set correctly.
  3. Keep expectations realistic: large spills may leave ash that still requires manual cleaning.

If the self-cleaning function still won’t work, the problem may involve the door lock motor, control board, thermostat, or another internal component. At that point, professional repair is usually required.

When to call a professional

Some oven problems are safe to troubleshoot on your own, but others require professional experience—especially when gas, electrical systems, or internal controls are involved.

It’s time to call a Pro if:

  • Your oven is still not working after basic checks
  • You smell gas or suspect a gas line issue
  • The control board or gas safety valve may be failing
  • Electrical issues keep tripping the breaker
  • Repairs involve hidden heating elements or internal wiring

Trying to push through complex repairs can create safety risks or lead to more costly damage. A trained repair Pro can diagnose the problem efficiently and help restore your oven safely.

Tips for preventing heating problems

While not every oven issue can be avoided, regular care can help catch small problems before they turn into bigger ones and extend the lifespan of your oven.

Clean regularly

Food spills and grease buildup can interfere with burners, heating elements, and sensors. Wipe up spills as they happen and deep-clean the oven, including oven racks and the oven range filter, as recommended by the manufacturer to keep heat flowing evenly.

Avoid slamming the oven door

Slamming the door can damage hinges, loosen door seals, and throw off temperature sensors. Closing the door gently helps the oven maintain proper heat and reduces strain on internal parts.

Schedule periodic inspections for gas ovens

Gas ovens benefit from occasional professional inspections to ensure the igniter, gas line, and safety valve are working correctly. Routine checks can help catch gas oven repair issues early and keep your oven running safely.

Don’t Worry. Be Warranty.

Your oven plays a big role in everyday life, from weeknight dinners to weekend baking. When it doesn’t work the way it should, even simple plans can get derailed. American Home Shield® home warranty plans help provide peace of mind when your oven breaks down due to a covered issue.

If you’re unsure what’s causing the problem or want a second set of eyes before moving forward, AHS members with select plans can video chat* with an Expert at no additional cost. You can show what’s happening, ask questions in real time, and get help deciding the best next step—all from the AHS app.

*See the plan agreement for coverage details, including service fees, limitations and exclusions. Coverage limits and charges for non-covered items may apply. Video chat available as a member benefit with select AHS plans. Video chat hours are from 8AM-9PM CST, 7 days/week. Subject to change.

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Frequently Asked Questions

If your oven is not working but the stove burners still are, the problem is usually isolated to the oven itself, not the power or gas supply. Common causes include a faulty heating element (for electric ovens), a broken igniter (for gas ovens), or a failed temperature sensor. Since stovetops and ovens rely on different components, it’s possible for one to function while the other does not.

In many cases, yes. Replacing a heating element is often more affordable than replacing the entire oven, especially if the appliance is otherwise in good condition. Heating elements are common wear-and-tear parts, and fixing them can extend the life of your oven by several years. If multiple components are failing or the oven is very old, replacement may make more sense.

Sometimes. If the heating element is visible and easily accessible, a confident DIYer may be able to replace it safely by turning off power, removing the old element, and installing a new one. However, if the element is hidden or requires accessing internal wiring, it’s best to call a professional to avoid electrical hazards or further damage.

That depends on the age of the oven, the cost of the repair, and how many issues you’ve had recently. Newer ovens with a single failed component are often worth repairing. Older ovens or those with repeated problems may be better candidates for replacement. A professional diagnosis can help you weigh repair costs against the value of a new appliance.