Yes, there is a way to turn off the filter light on your LG air conditioner. First, locate the filter button on your remote control. Press and hold the filter button for 3-5 seconds until the light turns off. If this does not work, try resetting the air conditioner by unplugging it for a few minutes and then plugging it back in. If you are still having trouble, contact the HVAC Alliance Expert specialists for air conditioner repair and they will be happy to assist you.