How To Tell If Heating Element Is Bad In Oven

An oven that won’t heat properly often points to a faulty heating element as the culprit. Learning how to tell if heating element is bad in oven is a key skill for any homeowner, as it can save you time and money on a service call. This guide will walk you through the clear signs, simple tests, and steps for replacement.

You don’t need to be an appliance repair expert to diagnose this common problem. With some basic safety steps and a few simple tools, you can confidently identify a broken bake or broil element. Let’s get started with the most obvious visual clues.

The most reliable method for diagnosing a bad oven element involves a combination of visual inspection and a continuity test with a multimeter. While symptoms like no heat or uneven cooking are strong indicators, a physical and electrical check will give you a definitive answer. The following sections break down each step in detail, from spotting the signs to performing the tests yourself.

Common Symptoms Of A Faulty Oven Heating Element

Your oven will usually give you several warnings before the heating element fails completely. Paying attention to these signs can help you catch the problem early. Here are the most frequent symptoms that suggest your oven’s heating element might be going bad.

The Oven Won’t Heat At All: This is the most obvious sign. If you set a temperature and the oven never gets warm, the main bake element has likely failed. The oven light may turn on, but no heat is produced.
Uneven Cooking Or Baking: If your food is burning on top but raw in the middle, or cooking unevenly from one side to the other, it could indicate that part of the element has burned out and is not generating heat evenly across its surface.
The Element Glows Unevenly: When the oven is on, a healthy element will glow a bright, consistent red-orange. If you see sections that are dim, not glowing, or glowing much brighter in one spot, the element is damaged.
Visible Damage To The Element: Look for clear physical signs like cracks, blisters, holes, or sagging in the metal tubing of the element. Any breach in the sheath can mean the internal coil is damaged.
Food Takes Much Longer To Cook: A oven that takes significantly longer to reach the set temperature or to cook food is likely suffering from a weak or partially failed element that can’t generate full heat.

Safety First: Precautions Before You Begin

Before you inspect or test anything, your safety is the absolute priority. Working with appliances involves electricity and high heat, so please follow these steps carefully.

Disconnect the Power: Unplug the oven from the wall outlet. For built-in ovens, locate the correct circuit breaker in your home’s electrical panel and turn it off to completely cut power. Use a plug-in lamp to verify the outlet is dead if you are unsure.
Let The Oven Cool Completely: Ensure the oven and the heating elements are completely cool to the touch before you attempt any inspection. This prevents serious burns.
Use Insulated Tools: If you need to handle any wires, use tools with insulated handles. Avoid wearing any metal jewelry that could accidently cause a short.
Do Not Force Anything: If a screw is stuck or a part won’t come loose, do not apply excessive force. You could damage the appliance or injure yourself.

Step-By-Step Visual Inspection

A thorough visual check is your first line of diagnosis. Often, a bad element will show clear physical evidence of its failure. Here’s how to conduct the inspection.

Inspecting The Bake Element

The bake element is usually located at the bottom of the oven cavity. Remove any oven racks for a clear view. Look closely at the entire loop of the element. Check for any cracks, holes, or blisters in the metal sheath. Look for areas where the element might be sagging or pulling away from its bracket, which can indicate internal breakage.

Inspecting The Broil Element

The broil element is typically at the top of the oven. Use a flashlight to get a good look. Since it operates at very high temperatures, it can sometimes fail more visibly. Look for the same signs of damage: cracks, breaks, or sections that appear melted or distorted compared to the rest of the element.

How To Test An Oven Heating Element With A Multimeter

If the element looks intact, the next step is to check its electrical continuity. A multimeter is an inexpensive tool that measures if electricity can flow through the element. A continuous path means the element is good; an open path (no continuity) means it’s bad.

Access The Element Terminals: After ensuring the power is OFF, you may need to gently pull the element forward to access the two metal terminals at the back where the wires connect. Some elements simply plug in, while others are held by screws.
Disconnect The Wires: Carefully note which wire goes to which terminal (taking a photo can help). Then, disconnect the two wires from the element terminals.
Set Your Multimeter: Turn your multimeter dial to the lowest setting for resistance (Ohms), often marked with the Ω symbol.
Test For Continuity: Touch one multimeter probe to each of the element’s terminals. A working element will show a resistance reading typically between 20 and 100 ohms. If the multimeter shows no change (infinite resistance or “OL” for open loop), the element has no continuity and is faulty.
Test For A Ground Fault: Set the multimeter to a high resistance setting. Touch one probe to a terminal and the other probe to the metal sheath of the element or the oven wall. The meter should show infinite resistance (OL). Any other reading indicates the element is grounded and needs replacement.

Other Possible Causes If The Element Tests Fine

If your heating element passes both the visual and multimeter tests, the problem may lie elsewhere in the oven’s system. Don’t assume the element is good without checking these other components, as they are common failure points too.

Faulty Oven Thermostat or Sensor: A broken temperature sensor or thermostat can send incorrect signals, preventing the element from heating or causing it to overheat.
Bad Bake or Broil Relay: Modern ovens use electronic control boards with relays that switch power to the elements. A failed relay on the board can stop power from reaching a perfectly good element.
Blown Thermal Fuse: Ovens have a safety fuse that trips if the appliance overheats. If this fuse is blown, it will cut power to the entire oven.
Wiring Issues: Loose, corroded, or burned wires connecting to the element or the control board can interrupt the electrical circuit.

How To Replace A Bad Oven Heating Element

Once you’ve confirmed the element is bad, replacing it is generally a straightforward DIY task. Most elements are held by two screws and have plug-in connections. Here is the basic process.

Purchase The Correct Replacement: Find the model number of your oven (usually on a sticker inside the door frame or on the back) and use it to buy the exact replacement element from an appliance parts store or online retailer.
Disconnect Power: Again, ensure the oven is completely disconnected from its power source at the breaker or by unplugging it.
Remove The Old Element: Unscrew the two brackets holding the element to the oven wall. Gently pull it forward a few inches until you can access the wire connections in the back. Disconnect the wires from the old element’s terminals.
Install The New Element: Connect the wires to the terminals on the new element. Carefully push the element and its terminals back into the oven wall, then secure it with the two screws or brackets. Make sure it is seated flat and evenly.
Restore Power And Test: Turn the power back on at the breaker or plug the oven back in. Run a test by setting the oven to 350 degrees Fahrenheit. You should see the new element begin to glow evenly within a few minutes.

FAQ: Oven Heating Element Problems

Can An Oven Element Work Sometimes And Not Others?

Yes, this is possible but not common. An element with an intermittent fault may heat occasionally if the internal break in the coil makes contact. As it heats and cools, the metal expands and contracts, which can temporarily reconnect a broken circuit. This is a clear sign the element is failing and should be replaced.

How Long Should An Oven Heating Element Last?

The lifespan of an oven element varies with usage, but you can typically expect it to last 5 to 10 years. Frequent high-heat cooking, like broiling, or accidental spills that cause thermal shock can shorten its life. Elements do wear out over time due to the constant heating and cooling cycles.

Is It Safe To Use The Oven If The Element Is Cracked?

No, it is not safe. A cracked element can allow moisture and food debris to enter the sheath, potentially causing a short circuit, sparks, or even an electrical fire. It can also lead to an electric shock hazard. If you see any visible damage, stop using the oven and replace the element immediately.

Why Does My New Oven Element Keep Burning Out?

If a new element fails quickly, the problem is likely elsewhere. The most common causes are a faulty temperature sensor causing the oven to overheat, a stuck relay on the control board supplying constant power, or a voltage issue in your home’s wiring. A professional appliance technician would need to diagnose the root cause.

What Is The Average Cost To Replace An Oven Heating Element?

If you do it yourself, the part cost is usually between $20 and $50. If you hire a professional appliance repair service, the total cost, including labor and the part, typically ranges from $150 to $300, depending on your location and the oven model. The DIY replacement is often simple enough to justify the significant savings.

Diagnosing a bad oven heating element is a manageable task that empowers you to fix a major appliance problem. By following the visual checks and the multimeter test outlined here, you can move from guesswork to a confident diagnosis. Remember to always prioritize safety by disconnecting power, and if you’re ever uncertain, consulting a qualified technician is the best course of action. With a working element, your oven will be back to baking and roasting perfectly in no time.