Ironwood 885, Char-Griller Flat Iron Premium griddle, InkBird Sous Vide
That is what happens to LCD screen when they are impacted. If you can stil read enough of the image to operate the screen, you can continue to use it. If not, you are either going to have to repace the screen, or the entire controller. You might contact Traeger customer service to see what options might be available.