Michael O Trenton , NJ November 13, 2022 Appliance: Frigidaire Microwave Hood Combo FGMV176NTFB Circuit breaker trips when opening door with oven running. Replaced latch switch assembly (contains three switches that sense door open or closed). Read More... Do-It-Yourself Rating: Repair Time Estimate: 30-60 minutes Tools: Screwdrivers