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Why do I hear snapping (Tuk) noise?

  • Others
  • Others
  • Troubleshooting
  • Air Conditioner Accessories, Chiller, Floor Standing AC, HRV, Multi V, Multi V IV AC, Refrigerators, Split AC
  • Last Updated 05/26/2016

Why do I hear snapping noise?


Symptom Symptom


             Snapping noises are heard from the unit.


Cause Cause


                 1. Clogged air filter can cause snapping noise from the indoor unit.

             2. Noise may be heard when obstacles are stuck on the vanes(louvers) of the indoor unit.

             3. Dust may escape from the dust collector to cause the noises. Please clean the filter in the air conditioner. 



Clogged air filter can cause snapping noise from the indoor unit.


Checkpoint  Checkpoint


             Check if an air filter is blocked.


how to fix How to clean the air filter

Lift up the front cover to find the filter.

             2. Remove the filter. Wash with water and dry in shade. Place it back in before use.

                 ※ Clean the filter once every two weeks to maintain the product performance.

                  Clean the air filter

            3. Remove the air filter.

            4. Clean with the vacuum cleaner or a soft brush (Wash with water for heavy soils).

            5. Dry completely in shade. Place it back and close the front panel.

                 Clean the air filter



Noise may be heard when obstacles are stuck on the vanes(Louvers) of the indoor unit.


How to fix How to fix


             Please check for foreign objects around the vanes, and remove if any.

             If not, please contact the service center for technical assistance.






Dust may escape from the dust collector to cause the noises.

air purification

If the problem is not resolved, please call  LG Support representative on 1800-180 -9999 (Toll Free)


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