Gillian S Hercules , CA April 11, 2020 Appliance: General Electric Microwave PEB7226DF1BB Ge Microwave Peb7226df1bb: Plastic button holding cover wave guide inside microwave kept popping out. How to replace Locking Button. Bought new button from Appliance Parts Pros and simply replaced broken plug. Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes