Linda M Goddard , KS April 29, 2018 Air vent shorted out when husband replace control board Ordered new air vent, and replaced it. Works fine now. Watching video on You Tube helped. Removing the round vent inside the door was difficult. Had to tap with hammer to break it loose. Read More... Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes Tools: Screwdrivers