What to Check First
- Press the Power and Mood Light buttons on the control panel at the same time for 3 seconds.
- A notification is displayed when the filter needs to be replaced.
- Use it when you replace it with a new filter.
- Press the Warm Wind and Swing Mode buttons on the control panel at the same time for more than 3 seconds.
- Press the Auto Wind and Swing Mode buttons of the control panel at the same time for more than 3 seconds.
- Press the Wind Speed Up button on the control panel for 3 seconds.
- The filter replacement notification on the status display is turned off, and the replacement notification time is reset. ※ The 360 Hit subscription model does not support filter replacement notification and filter reset functions.
- Did the filter replacement lamp not turn off or the did the lamp turn on even if the filter was replaced?
- The filter check-up lamps operate based on the cumulative time of product use, so they can operate differently from the actual filter lifespan. The filter lifespan may differ depending on the period of use and the usage environment. The filter replacement notifications can be turned off through different methods for each product. Some product’s notifications are automatically turned off after 24 hours.
- Each model has a different way of disabling filter replacement notifications, so please check each model’s methods.
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 Purifier] The filter replacement lamp is still on after replacing the filter?
Press the Power and Mood Light buttons on the control panel at the same time for 3 seconds.
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.
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