GE Spacemaker JVM1740 Microwave Oven "fan turns start" Questions

...fan button turns the fan on and it runs normal with all 4 speeds. Shut the fan off and the fan automaticly starts back up and turns real slow. 4) the microwave does not even have to be in use when ...

...it not working but as soon as I turn the fan on high I hear the humm start up. check the control unit and high voltage circuit, and megnetron, high voltage diodes, wiring and high voltage fuse

...parts...the microprocessor tells the fan to turn on when start is pressed...it sends a positive voltage to a transitor which saturates acting like a switch,,,I bet this transitor is shorted. good ...

...fan "always" turns on in the start of microwaving a meal? and or if it gets hot and then "always" turns off at a certain time? if it always turns on and then turns off at a time such as 30 seconds, ...

...fan will start will the temperature around the microwave is high, but the temperature is not high. The room is kept at 75 degree. I don't have the manual but there should be a temperature setting for ...

...turns out the the microwave was over heated and the fan was cooling it. The fan will automatically turn on and stay on until your microwave reaches normal temp. just unplug your microwave and let it ...

...fan start automatically If the range cook top gets too hot. NOT THAT I'M AWARE OF . YOUR UNIT SHOULD HAVE A SWITCH TO TURN ON AND MUST BE TURNED ON MANUALLY The KHHS179L fan will automatically start ...

...fan no longer turns on at all. If you try to heat something, the timer counts down, but fan stays off and there is NO heating. Oven is from 2001 and 6 years ago the Magnetron was replaced. Is fixing ...

...fan turns on. This happened for a month or so, then it quit working. I know the initial problem was one or both of the door switches. Now that it doesn't work, I know it's switches and/or fuse. Can ...