What to Check First
- 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.
- It is a phrase that is displayed when the filter is wrapped up in plastic or when the filter is not installed. If the filter is wrapped in plastic, remove it and if the filter is not installed, install it.
- This content was created for common use and may contain different images or information from the purchased 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
Frequently Asked Questions
What should I check first for [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.
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.