Kreston T Enid , OK January 10, 2018 Appliance: Frigidaire Room Air Conditioner LRA12HZU211 Heater/ air conditioner window unit compressor would not stop running I replaced the PC board. Read More... 2 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: 1-2 hours Tools: Pliers, Screwdrivers