Jenn-Air Microwave Repair
Microwave oven doesn't work at all
Two possible things should be considered in this particular Jenn-Air microwave repair: the fuses and the door switch.
The internal fuse or the thermal fuse might be blown. This fuse protects both the user and the microwave oven. When the fuse blows, you need to have a qualified appliance repair technician replace it.
If the fuse isn't the problem on your unit, check the microwave door switch, the door hooks and the door release button.
When the door components are broken, the door switch doesn't activate, so the oven can't work.