GE SPACEMAKER MICROWAVE OVEN

There are three microswitches
When checking a microwave oven that seems to operate properly yet does not heat first check for 110VAC at the primary of the large transformer.

Hi,
Here is a tip that will help you to figure out what is wrong with yourMicrowave Oven....

Microwave Oven Basic Troubleshooting Tips

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Pledase check the operation of the door safety interlock system. If you routinely open the door while the oven is operating, these small switches will eventually burn out and not work.

Hi,
Here is a tip that will help you to figure out what is wrong with yourMicrowave Oven....

Microwave Oven Basic Troubleshooting Tips

heatman101

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Hello :

Many models of the GE microwave have sensors that can detect humidity from the foods you are cooking. This allows the microwave to make adjustments to the power levels used to cook your food. If "Sensor Error" appears, you should either press "Clear" to cancel the mode or leave the food in the appliance longer to give the microwave more time to detect the food.

Press "Time Cook" to manually enter the time if you receive an error message when trying to use the "Sensor Reheat" mode of your GE microwave. The error message may be caused by the food item being too large or too small to detect..

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the most likley problem is the magnetron has gone bad.but there are a couple of thermal sensor in the cabinet that need to be checked. one of those could be bad as well.

bad news I am afraid. the heart of the unit has had a coronary and needs a tech to intervene

I called a technician out today. Seems like the problem is the circuit board. It wasn't working properly and the sound is the fan. The fan is supposed to turn on when the microwave is in use and off when it is not. In this case, the fan continued even when the microwave was not in operation. A new circuit board has been ordered and will replace the old one when it arrives. For now, I can still use the microwave, but I have to unplug it everytime I finish heating something up. A little inconvenient, but at least it'll still heat my food up in the meantime.

possibly the "stirrer" motor - this is in the top and turns a metal reflecting ring to disperse the microwaves around the oven more evenly. About $70 on GE site for my oven.