Wiktor Wise
LG ovens are popular appliances, but some users have reported issues with the heating elements, particularly the lower bake element. Before attempting any repairs or inspections, ensure that the electricity supply to the oven is turned off, either via the circuit breaker or by unplugging the oven. To check an electric LG oven's element, you will need to remove the back sheet metal panel and disconnect the wires. You can then use a multimeter to test for continuity or voltage. If the bake element is not heating, it may be visibly damaged, so inspect it for holes or blisters. If the element is not glowing red, it may need to be replaced. If the oven is not heating up properly, the control board may be defective, and you may need to replace it.
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What You'll Learn
Turn off the electricity to your oven
To turn off the electricity to your oven, you must first locate your circuit breaker. Once you've found it, turn off the power to the oven at the circuit breaker. This will ensure that no electricity is flowing to your oven.
For safety, it is recommended to use an electric tester to check that there is no power running to the oven after shutting off the breaker. This will guarantee that the electricity has been successfully turned off and it is safe to proceed with any maintenance or repairs.
If you are not immediately replacing your oven with a new one, there are additional steps you can take. You can clip the ends of the feeder wires and cover them with wire nuts, providing an extra layer of protection. Then, wrap electrical tape around the wire and wire nut for added security.
It is important to note that if you are not comfortable or familiar with electrical work, it is always best to consult a professional electrician. They can guide you through the process and ensure that the electricity to your oven is safely turned off.
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Detach the elements
Before you begin to detach the elements of your LG electric oven, you must turn off the electricity to the oven. You can do this either via the circuit breaker or by unplugging the oven. Once the electricity supply is cut off, you can proceed to detach the elements.
The oven's heating elements consist of two heating coils, one on the top and one at the bottom, responsible for heating the tub to the desired temperature. If either of these coils malfunctions, the oven will not heat up.
To access the heating elements, you will need to open the oven door and locate the coils at the top and bottom of the oven cavity. They are typically held in place by screws or brackets. Using the appropriate tools, such as a screwdriver, carefully loosen and remove the screws or brackets securing the heating elements.
Once the fasteners are removed, gently pull the heating elements away from their mounting positions. Be cautious, as the heating elements may have sharp edges or residual grease, which could cause injury or damage if not handled properly.
After detaching the heating elements, place them safely aside and proceed to inspect or replace them as needed. Remember to exercise caution when handling electrical components and ensure the power remains off during the inspection or repair process.
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Disconnect the wire harness
Before disconnecting the wire harness, it is important to turn off the electricity to the oven, either via the circuit breaker or by unplugging it. This is a crucial safety step that must not be skipped.
Now, to disconnect the wire harness:
First, locate the mounting plate on the back of the oven tub. This plate secures the heating element in place. Using a suitable screwdriver, unscrew this mounting plate. Be careful not to lose the screws, and place them aside safely.
With the mounting plate removed, you will now have access to the heating element and the wire harness. The wire harness is the set of wires that powers the heating element. It is important to be gentle with these wires as you don't want to cause any accidental damage.
To disconnect the wire harness, carefully grasp the connector where the wires meet the heating element. Gently pull the connector to detach the wires from the heating element. Ensure that the wires do not slip back into the hole once they are disconnected. You can use a piece of tape to temporarily secure the wires and prevent them from slipping back.
With the wire harness disconnected, you can now perform any necessary tests or repairs on the heating element. Remember to exercise caution when working with electrical appliances, and if you're unsure about anything, it's best to consult a qualified technician.
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Use a multimeter to test for continuity
If your LG electric oven is turning on but isn't heating up properly, the likely cause is a faulty heating element. To test this, you can use a multimeter to assess continuity in the element. This will tell you whether the heating element is working or not.
Before you start, ensure your oven is unplugged and cooled down. You cannot test a heating element safely without removing it, and you cannot remove it when the oven is hot or on. Once the oven is off, wait 30-60 minutes for it to cool, then pull it out from the wall and unplug it.
Now, set up your multimeter. First, make sure the black wire connection is plugged into the black socket on the multimeter, and the red wire connection is plugged into the red socket. Then, set the multimeter to the continuity setting. You can do this by turning the dial to the lowest number available in your ohm range (usually 200).
Next, place your heating element on the floor or a wooden table. You should not perform a continuity test on a metal or ungrounded surface, as you may electrocute yourself. Alternatively, you can place the element on a concrete or wood surface that is grounded.
With your multimeter ready, take the two probes and press them against the two small tabs protruding from the heating element. Ensure the probes touch only the terminals and not the oven element itself. It doesn't matter which probe touches which terminal, as long as they aren't touching each other.
If your multimeter emits a high-pitched beep, it means the element is working fine. If there is no beep, the element is faulty and needs to be replaced.
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Replace the element if there's no continuity
If you've determined that your LG oven's heating element is faulty, you'll need to replace it. Here's a step-by-step guide:
- Ensure the oven is switched off and unplugged, or the power is off at the circuit breaker.
- Allow the oven to cool completely before proceeding.
- Wear safety gloves and goggles to protect yourself from sharp edges or electrical components.
- Locate the heating element inside your oven. It is usually secured with screws or brackets.
- Remove the screws or fasteners holding the element in place.
- Gently pull the element forward to access the wires connected at the back. Take a photo or make a note of how the wires are connected to aid with reinstallation.
- Disconnect the wire harness that powers the heating element. Be careful to avoid letting the wires slip back into the hole.
- Obtain a replacement heating element compatible with your LG oven model.
- Connect the wires to the new heating element, following the reference photo or notes you made earlier.
- Secure the new heating element in place with screws or brackets.
- Plug the oven back in or turn on the power at the circuit breaker.
- Test the new heating element by preheating the oven to 350°F (177°C) and checking the temperature with an oven thermometer after 5-10 minutes. The temperature on the thermometer should match or be close to the set temperature.
If you're uncomfortable performing these steps yourself, consider seeking assistance from a professional appliance repair service or a qualified electrician.
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Frequently asked questions
If the bake element is heating properly, it will glow red hot. If the element does not glow red, this indicates that it is not heating and may need to be replaced.
Use a multimeter to test for voltage reaching the bake or broil elements or igniters. You can also use a thermometer to verify the oven temperature. If the temperature is over or under by 35 degrees Fahrenheit (2 degrees Celsius), the oven thermostat or sensor may be faulty.
First, turn off the electricity to the oven. Then, detach the elements by unscrewing the mounting plate and pulling the heating element forward. Disconnect the wire harness and check for continuity with a multimeter. If there is no continuity, the element needs to be replaced.
If the broil function is not working, check the continuity of the element. If it has no continuity, replace the element. If the broil still works but the bake function does not, there may be a problem with the control board.
