What to Check First
- → 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.
- → If the power doesn't turn on, unplug the air purifier and plug in another product to see if it comes on.
- → If the Sleep mode/Sleep Timer function is on, please turn it off.
- → It could be due to improper contact inside the product.
- We recommend you select a date and time in [Book a visiting service] and apply for the service.
- Use the [e-mail inquiry / phone consultation reservation] menu on the customer support menu of LG Electronics homepage. [Book a visiting service] provides accurate diagnosis and inspection by a professional service manager.
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
Frequently Asked Questions
What should I check first for [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.
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.