New LG Microwave Burning Smell or Noise: Causes and Solutions

When you first use your LG microwave or oven, you may notice a slight burning smell or hear some noise as the internal parts heat up. This is completely normal. This is temporary and completely safe, so there is no need to worry. The smell will naturally fade after a few uses, or you can use the Deodorize function to clear it faster.

TroubleshootingCooking Appliances

What to Check First

  1. The smell during the first use is temporary and completely safe. This is normal and does not mean your product is malfunctioning.
  2. Service fees may apply for technician visits if the product is out of warranty.
  3. This guide is based on standard models. Actual settings and menus may vary by model and region.
  4. When you first use your LG microwave or oven, you may notice a slight burning smell or hear some noise as the internal parts heat up. This is completely normal. This is temporary and completely safe, so there is no need to worry. The smell will naturally fade after a few uses, or you can use the Deodorize function to clear it faster.
  5. When you first use the product, new internal parts heat up. This can temporarily cause a slight burning smell or minor noise.
  6. Small amounts of harmless residue left over from the manufacturing process may evaporate at high temperatures, causing an odor during your first few uses.
  7. Simply use the product normally a few times. The smell will naturally fade on its own.
  8. Press the [Deodorize] button on the control panel to clear the smell more quickly.
  9. If your model does not have the [Deodorize] function, place a lemon inside and run the microwave for about 5 minutes. This will help neutralize the odor.
  10. If these steps don’t resolve the issue, visit the LG Customer Support website for further assistance. You can explore available support options, such as chat support or a technician visit, depending on your region.

Why This Can Happen

Symptoms can have more than one cause, and the correct steps depend on the exact model, installation and operating conditions. Use the checks above to narrow the issue before service.

Safety and Model-Specific Guidance

Stop troubleshooting if you notice burning, electrical damage, unsafe heat, gas odor, refrigerant concerns, or water near electrical components. Follow the official LG USA instructions for your exact model.

Frequently Asked Questions

What should I check first for New LG Microwave Burning Smell or Noise: Causes and Solutions?

The smell during the first use is temporary and completely safe. This is normal and does not mean your product is malfunctioning.

When should I stop troubleshooting and contact LG?

Stop if the product shows signs of electrical damage, burning, leaking near electrical components, or if the recommended checks do not resolve the issue. Use LG USA support for model-specific service guidance.

Does this guidance apply to every LG model?

Not always. Controls, error codes and service steps can differ by model. Confirm the exact model number and follow the linked LG USA article for model-specific instructions.

Related LG Products

These model pages are linked because the stored category or exact model matches this Help Library topic.

Read the Official LG Guide