Christopher R Southfield , MI April 13, 2018 Appliance: Maytag Microwave MMV4205DS1 Maytag Microwave Mmv4205ds1: Po open/shut door error. How to replace Microwave Door Interlock Switch. Replaced the 3 switches for the door latch. Do-It-Yourself Rating: Repair Time Estimate: 30-60 minutes