Gary P Moriches , NY January 31, 2025 Appliance: Electrolux Microwave FPBM3077RFB Electrolux Microwave Fpbm3077rfb: Microwave tripping breaker. How to replace Door Switch. I checked the door switches with a meter and determined one was not working properly, replaced broken switch. Do-It-Yourself Rating: Repair Time Estimate: 15-30 minutes