LG USA Help Library

Appliance Help

Search 2,435 stored troubleshooting, setup, maintenance and how-to summaries. Open the official LG source for model-specific safety directions.

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[LG AeroCat Tower] How to turn Cat Relax Mode on or off LG USA help imageTroubleshooting

[LG AeroCat Tower] How to turn Cat Relax Mode on or off

While the LG AeroCat Tower is running, press and hold the Fan Speed button for 3 seconds to turn on Cat Relax Mode. When your cat sits on the cat dome, this mode automatically reduces fan noise and airflow to create a quieter, more comfortable resting environment.

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Troubleshooting

[LG Air Purifier] The display keeps turning off

→ With the Sleep mode turned on, the display is fully activated when you operate other functions, and when the operation is over, all status display and button functions except the Sleep button are turned off.

Air Care
[LG Air Purifier] The new product has a smell LG USA help imageTroubleshooting

[LG Air Purifier] The new product has a smell

When opening a new product, the filter’s activated carbon and dust collection filter are sealed and packed, so when the filter is opened and used for the first time, it can be recognized as smell.

Air Care
[LG Air Purifier][PuriCare 360 ​​Alpha] Filter check message appears LG USA help imageTroubleshooting

[LG Air Purifier][PuriCare 360 ​​Alpha] Filter check message appears

The PuriCare 360 Alpha model is equipped with a filter life sensor (differential pressure sensor) that detects dust pollution in the filter, which accurately informs when to replace the filter. If an abnormality is found while detecting the filter status, the "Check filter" message may appear.

Air Care
[LG Air Purifier][PuriCare 360 ​​Alpha] Filter check message appears LG USA help imageTroubleshooting

[LG Air Purifier][PuriCare 360 ​​Alpha] Filter check message appears

The PuriCare 360 Alpha model is equipped with a filter life sensor (differential pressure sensor) that detects dust pollution in the filter, which accurately informs when to replace the filter. If an abnormality is found while detecting the filter status, the "Check filter" message may appear.

Air Care
[LG Air Purifier][PuriCare 360] The exterior color of my air purifier looks different LG USA help imageTroubleshooting

[LG Air Purifier][PuriCare 360] The exterior color of my air purifier looks different

The actual color may seem different from the one you saw in-store or through a monitor as the PuriCare 360 model’s color is a combination of its round shape + gloss (shimmer) and the angle of light, the refraction of light, and the angle of view. The model comes in three colors: White, Romantic Ocean (bluish silver), and Romantic Rose (dark pink silver).

Air Care
[LG Dehumidifier] What Does the "CL" Code Mean and How to Fix Unresponsive Buttons LG USA help imageTroubleshooting

[LG Dehumidifier] What Does the "CL" Code Mean and How to Fix Unresponsive Buttons

The [CL] message on your LG dehumidifier indicates that Child Lock is enabled. Child Lock is a standard safety feature designed to prevent children from accidentally operating the unit Depending on your model year, simply press and hold the designated button for 3 seconds to unlock it and use the buttons normally.

Air Care
Dehumidifier ThinQ Features and Settings LG USA help imageOperation

Dehumidifier ThinQ Features and Settings

Now that your dehumidifier is connected to your WiFi, it’s time to learn more about what you can do with the LG ThinQ app. This article will walk you through the special features and settings of your smart appliance.

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Operation

LG Dehumidifier - Error Code List

If your LG dehumidifier is having an operating issue the unit is programmed to communicate diagnostic messages displayed as codes. Most issues related to common error codes can be resolved by following the troubleshooting solutions below.

Air Care
What are the causes and solutions for the E15 error code? LG USA help imageTroubleshooting

What are the causes and solutions for the E15 error code?

The E15 error code appears on your LG SIGNATURE air purifier's display when dust or debris has built up on the Ultra Fine Dust Black Filter. Remove the filter, wash it in warm water with a mild detergent, let it dry completely in a shaded area, and then reinstall it to clear the error.

Air Care
[LG AC Filter] [Window/Potable] How do I clean and replace the filter? LG USA help imageTroubleshooting

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

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.

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Troubleshooting

[LG Air Conditioner Air Purification] Air purification function is failed

In case of the product with the air purification function added to it, if the filter cover is not assembled properly, the quick buzzer sounds will be heard 7 times, thus failing operation of the air purification function. Assemble the filter cover accurately one more time.

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[LG Air Conditioner Air Purification] Suddenly the fine dust level rises. LG USA help imageTroubleshooting

[LG Air Conditioner Air Purification] Suddenly the fine dust level rises.

2. You are not recommended to use it together with an ultra sonic humidifier in the winter. During or after humidifier operation, the fine dust density might tend to be high for a longer time than usual. If you must use it, then make sure to keep the minimum distance of 2.5 (8.2ft) meters and pay attention to the fact that the fine dust density can go…

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Troubleshooting

[LG Air Conditioner Auto Drying] I pressed the stop button on the air conditioner, but it does not stop

By setting the auto drying function, you can enable automatic drying of internal moisture generated during cooling operation after stopping of operation, thus preventing the growth of fungus or germs and making sure that refreshing cooling can be achieved. Ceiling mounted 4-way (square model) air conditioners produced after January, 2019 support the auto…

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Repair

[LG air conditioner cooling [Portable] Cooling is weak

In the case of a double-glazed window, if the outer window is closed so that heat cannot escape. Check that the installation insulator and the mounting plate are properly fastened.. 1. Are the side gaskets fastened on both sides of the mounting plate?. 2. Are the window track holders abo.

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Repair

[LG air conditioner cooling] Cooling cannot be selected. Cooling has disappeared

The mode of a ceiling mounted air conditioner that uses multiple units at the same time must be matched to either cooling or heating.. The inability to select either cooling or heating is a symptom that occurs because all air conditioners in use are not matched to either cooling or heating.. ..

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Repair

[LG Air Conditioner Cooling] Cooling is mild. No cool air blows

Does cool air not blow when you turn the power on, and press [Cooling] button?. Cool air blows, but cooling seems mild.. The temperature in the space where the outdoor is installed.. You might select a function of mild cooling.. The ultrafine filter is covered with dusts.. An air c.

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Repair

[LG Air Conditioner Cooling] There is no cold wind. Colling fails

You selected weak cooling or set the target temperature high.. Fan direction is set to upward.. Outdoor unit room does not vent air very well.. Lots of dusts are accumulated in the filter.. Hot air comes in from the outside.. Try this. Check the remote controller window for the.

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Repair

[LG Air Conditioner Error Code] CH54 is shown on the display

You made wrong internal connections in the circuit breaker box during electrical construction works.. Try this. After electrical construction works, does the wired remote controller display the CH54 message?. ➔ Turn on the dedicated circuit breaker connected to the air conditioner and.

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Repair

[LG Air Conditioner Error Code] Hi or Lo shown on the display

Hi or Lo is a message indicating indoor temperature.. It is not an error indicating failure.. Feel at ease.. Try this. or higher.. This guide was created for all models, so the images or content may be different from your product.

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Repair

[LG Air Conditioner Error Code] LO appears on the display

➔ Use the product as it is.. When indoor temperature is below 9℃(48.2°F), operate the product in the heating mode, and once the temperature rises above 10℃(50°F), [HI] disappears, and the current temperature appears.. (If LO persists on the air conditioner even if the indoor tempera.

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Repair

[LG Air Conditioner Error Code] The display turned off by itself Not turned on

Did you try to adjust screen brightness?. ➔ You can set the screen brightness with the remote control.. There is no separate button on the product body.. A separate screen brightness adjustment button may be installed, or configured in dual buttons depending on the product and the remo.

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Repair

[LG Air Conditioner Error Code] The display window says 7 or L

If the product display window or remote controller display window shows 7 or L, it means that the wind angle for the wall mounted(combined[master bedroom] wall mounted) air conditioner is set to indirect wind mode.. Comfort AIR. By adjusting the vertical wind direction to max[7]/horizontal.

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Repair

[LG Air Conditioner Error Codes] [System Air Conditioner] An CH05 error occurs

The circuit breaker for the outdoor unit is tripped.. CH05 error occurs when there is a problem in communication between the indoor unit and the outdoor unit for the air conditioner.. The ceiling mounted type air conditioner might have a circuit breaker for the indoor unit separated from a.

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Repair

[LG air conditioner error codes] The message “outdoor unit” is displayed

This function indicates the operating status of the outdoor unit.. ➔ If the outdoor unit is operating, the pop-up message “outdoor unit” is displayed on the wired remote control.. Example) If cooling is being used and the indoor temperature is higher than the target temperature, the o.

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