Craig B Brooksville , FL December 21, 2017 Appliance: Frigidaire Microwave Oven FGMV154CLFA No display didn't do anything. Looked at schematic on AppliancePartsPros.com. Checked power, power filter, next component in line was the thermostat, found thermostat with signs of overheating, thermostat was open, replaced the thermostat, micro works perfect. Took longer to get it out than diagnose it. Read More... 2 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: 30-60 minutes Tools: Pliers, Screwdrivers