Jeff S Minnetonka , MN October 03, 2020 Appliance: Maytag Microwave Hood Combo MMV5201DW00 Maytag Microwave Mmv5201dw00: Maytag microwave won't heat anything. How to replace Microwave High Voltage Diode. Replaced the magnetron. Do-It-Yourself Rating: Repair Time Estimate: 1-2 hours