Jim P Palm Bay , FL January 26, 2018 Appliance: Frigidaire Room Air Conditioner FFRE15L3Q11 Frigidaire Room Air Conditioner Ffre15l3q11: A/c not working right. How to replace Electronic Control Board (Pc Board). Ordered new mother board, got it quick, right part , good price 2 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes