Gerald P Lufkin , TX June 28, 2015 Appliance: Frigidaire Room Air Conditioner LRA187MT210 Frigidaire Air Conditioner Lra187mt210: Compressor wont shut off. How to replace Electronic Control Board (Main Pcb). Control board 1 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes