Pull the filter straight up to remove it from the air conditioner.
Lg ac window unit clean filter light.
With the panel unlocked press and hold the air filter or water filter button for 3 to 5 seconds.
Gently shake away excess water from the filter allow it to air dry and reinstall the filter.
If step 1 and 2 fails then you can try connecting lg thinq app to your refrigerator.
Wash the filter using lukewarm water below 104 f 40 c.
Press reset filter to turn off the led and reset the accumulated run time.
Air conditioner reset filter light window room air conditioners with a reset filter pad with led will turn on when the fan has accumulated 250 hours of run time.
This is to provide a reminder to clean the filter.
It should reset and your problem should be solved the filter warning should be reset.
Shake the excess water from the filter before putting it back in.
Check the air filter every two weeks and clean it as necessary.