James C Houston , TX April 26, 2021 LG window unit compressor would randomly turn on without evaporator or condenser fans even with unit power turned off Purchased a new control board and installed it. Be sure to take many pictures of wires as you disconnect old board and if possible use a magic marker to code the wires with dots before taking pics to differentiate same colored wires. Wait for new board to arrive as not all wires need unplugged as the new board comes with them. Tools needed below, other is the magic marker. Read More... 4 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: 1-2 hours Tools: Pliers, Screwdrivers