Hi,

I have GE microwave JVM1440WH01. Following is the history of the problem...

It started with fan running when you simply open the door – Microwave still used to work no other problem
After sometime the inline fuse blue-off – I replaced that couple of times
Found Bottom Door Switch was faulty – replaced it and it worked for couple of days
Now there is power but no heat and no turn table, no humming sound.

I have checked following parts and all seems correct
Diode, Capacitor, Magenatron, Fuse, Door Switches

MICROWAVE THERMOSTAT CUT-OUT – WB27X10195 – it has zero resistance and closed by default, however MICROWAVE HOOD THERMOSAT – WB27X10194 is open by default (is this correct?). I assumed it should be like THERMOSTAT CUT-OUT – WB27X10195 but I bought the new one and it is also by default open. Now I am not sure what part is faulty. I will appreciate your guidance.

The GE microwave parts details can be found https://www.geapplianceparts.com...40WH01/1/0/0/0/MICROWAVE