Fix LG Oven Not Heating? Fix the Cold Case!

March 18, 2024

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LG oven won’t heat up? Having an oven that doesn’t heat up can be incredibly frustrating, especially when you are preparing a meal for family or friends. This comprehensive guide will help you troubleshoot and fix your LG oven not heating. Follow these detailed steps to diagnose and resolve the issue efficiently.

Common Causes of an LG Oven Not Heating

Faulty Igniter

The igniter is a crucial component in your oven’s heating process. If it’s defective, your LG oven is not heating up properly. Here’s how to check and replace it:

  1. Turn Off Power: Ensure the oven is unplugged or the circuit breaker is turned off.
  2. Access the Igniter: Remove the oven racks and the bottom panel to access the igniter.
  3. Test the Igniter: Use a multimeter to check for continuity. If there’s no continuity, the igniter is faulty.
  4. Replace the Igniter: Disconnect the wires, remove the screws, and replace the old igniter with a new one.

Defective Bake Element

If the bake element is not working, your LG oven will not heating up as it should. Follow these steps to test and replace the bake element:

  1. Turn Off Power: Unplug the oven or switch off the circuit breaker.
  2. Locate the Bake Element: The bake element is at the bottom of the oven interior.
  3. Inspect for Damage: Check for visible signs of damage or burns.
  4. Test for Continuity: Use a multimeter to test the element. Replace it if there’s no continuity.
  5. Replace the Element: Remove screws and wires, then install the new bake element.

Malfunctioning Temperature Sensor

The temperature sensor monitors the oven’s heat. If it’s malfunctioning, it can prevent the oven from heating. Here’s what to do:

  1. Turn Off Power: Ensure the oven is disconnected from power.
  2. Access the Sensor: The sensor is usually located in the back wall of the oven.
  3. Test the Sensor: Use a multimeter to check the sensor’s resistance. It should read around 1100 ohms at room temperature.
  4. Replace the Sensor: If the reading is off, replace the sensor by removing screws and disconnecting wires.

Troubleshooting Electrical Issues

Check the Circuit Breaker

Sometimes, the issue might be with the power supply making your LG oven not working efficiently. Here’s how to check:

  1. Locate the Circuit Breaker: Find your home’s electrical panel.
  2. Reset the Breaker: If the breaker has tripped, reset it by turning it off and then back on.
  3. Test the Oven: After resetting, test if the oven heats up.

Inspect the Electrical Connections

Loose or damaged electrical connections can cause heating issues. Follow these steps:

  1. Turn Off Power: Ensure the oven is unplugged.
  2. Inspect Connections: Check the wiring at the back of the oven for any loose or damaged connections.
  3. Secure Loose Wires: Tighten any loose connections and replace damaged wires.

Advanced Troubleshooting Steps

Control Board Failure

If the control board is faulty, it may not send the necessary signals to heat the oven. Here’s how to diagnose and replace it:

  1. Turn Off Power: Disconnect the oven from the power source.
  2. Access the Control Board: Usually located behind the oven’s control panel.
  3. Inspect for Damage: Look for burnt or damaged components on the board.
  4. Test the Board: Use a multimeter to check for continuity in various circuits.
  5. Replace the Board: If faulty, replace the control board by disconnecting wires and mounting the new board.

Preventive Maintenance Tips

  1. Regular Cleaning: Keep your oven clean to prevent buildup that can affect heating elements.
  2. Routine Inspections: Periodically check components like the igniter, bake element, and temperature sensor for signs of wear.
  3. Professional Servicing: Schedule regular maintenance with a professional technician like LG Repairs to ensure all parts are functioning correctly.

By following this guide, you can effectively diagnose and fix the common issues that cause an LG oven not heating. Ensuring each component is in good working order will help maintain your oven’s performance and extend its lifespan.

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