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LG Air Conditioner - How to Eliminate Odor: Causes, Checks & Fixes

When cold air is produced, odor particles are discharged naturally. It is recommended to operate the air conditioner for 1 hour or more with the temperature set at 18℃(64.4℉).

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TroubleshootingAir Conditioners

What to Check First

  1. When cold air is produced, odor particles are discharged naturally. It is recommended to operate the air conditioner for 1 hour or more with the temperature set at 18℃(64.4℉).
  2. You can prevent odors by setting automatic drying (10 minutes). You can run the air conditioner in fan mode for more than 10 minutes additionally to ensure pleasant use. It discharges odor particles or impurities to the outside in order to reduce odors. At this time, open the window to ventilate.
  3. If the product is stored for a long period of time whilst it contains collected condensed water, the condensed water may deteriorate and cause an odor. It is recommended to drain condensed water frequently using the following method.
  4. 1. Turn off the product and pull the power cord out.
  5. 2. Prepare a bowl to handle the condensed water. (1.5L(0.39gal) or less).
  6. 4. Open the drain rubber plug.
  7. Close the drain plug in the reverse order to opening it, but be careful not to tighten it securely. Tightening the drain plug incorrectly may cause a water leak.
  8. This guide was created for all models, so the images or content may be different from your product.

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 LG Air Conditioner - How to Eliminate Odor?

When cold air is produced, odor particles are discharged naturally. It is recommended to operate the air conditioner for 1 hour or more with the temperature set at 18℃(64.4℉).

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.

Buying Guides for This Product Type

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Read the Official LG Guide