Check the air filter every two weeks and clean it as necessary.
Lg ac window unit clean filter light.
Wash the filter using lukewarm water below 104 f 40 c.
Shake the excess water from the filter before putting it back in.
Pull the inlet grille forward to gain access to the air filter.
With the panel unlocked press and hold the air filter or water filter button for 3 to 5 seconds.
It should reset and your problem should be solved the filter warning should be reset.
Pull the filter straight up to remove it from the air conditioner.
This is to provide a reminder to clean the filter.
If step 1 and 2 fails then you can try connecting lg thinq app to your refrigerator.
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.
Remove the air filter from the front grille by pulling the air filter up slightly.