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[LG AC Filter] [Window/Potable] How do I clean and replace the

Turn off the air conditioner before removing the filter. Wash the filter with lukewarm water (below 104°F / 40°C). If the filter is heavily soiled, replace it with a new one. Removal methods vary by model type (Casement Window, Window, or Portable). Please refer to the instructions below for your specific model.

[LG AC Filter] [Window/Potable] How do I clean and replace the filter? LG USA help image
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TroubleshootingAir Conditioners

What to Check First

  1. 1. Turn off the unit and unplug the power cord.
  2. 2. At the top front of the unit, press the upper part of the ultra-fine filter cover until it clicks, then pull it toward you.
  3. 3. Hold the handle on the ultra-fine filter and pull it out to the side to remove it.
  4. 4. Clean the filter with lukewarm water (below 104°F / 40°C) or replace it with a new one if necessary.
  5. 2. Pull the front cover forward to remove it.
  6. 3. Pull the ultra-fine filter forward and then lift it upward.
  7. 4. Clean the filter or replace it with a new one if necessary.
  8. 2. Detach the rear ultra-fine filter cover and remove the filter.
  9. 3. Clean the filter or replace it with a new one if necessary.
  10. 2. Remove the screw below the dual hose and detach the hose.

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 AC Filter] [Window/Potable] How do I clean and replace the filter??

1. Turn off the unit and unplug the power cord.

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

Features & valueAir Conditioner Features Worth Paying For — Value GuideEfficiency & running costAir Conditioner Efficiency, Energy & Running-Cost GuideHousehold use caseAir Conditioner Family & High-Use Household GuideFit & installationAir Conditioner Fit, Installation & Delivery Planning

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Read the Official LG Guide