Steven H Skandia , MI May 14, 2022 Appliance: General Electric Microwave PVM1790SR1SS Ge Microwave Pvm1790sr1ss: Microwave door switch. How to replace Door Interlock Switch. Replaced a door switch and fuse. Had a few questions along the way. Called your consumer service with Tech help, and they were awesome. Thank you, Steve. Do-It-Yourself Rating: Repair Time Estimate: 1-2 hours