My serial # is GH 7155XKQ-0 its white. The fuse is good and power at the outlet. Is the thermosenser on this model located on the bottom front just behind the control panel? The marking on this part is PW-2R Z101 49/56. It checks open but not sure if this is the thermosenser.
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Re: Microwave dead, no power.
The thermal sensor is about the size of a dime, black with 2 wires to it, and attached to the oven cavity. It should be a normally closed circuit. bypassing this temporarily will show if it is open or closed. If oven works, that is your problem, but do not use oven with this bypassed. It sounds like you have some electrical knowledge, but be very careful as there is high voltage potential inside the microwave.
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Depending on the model of your Frigidaire microwave, the fuses are typically on located behind the control console, on the magnetron or on the oven capacity. However, if your microwave does not heat, you may possibly have a faulty control panel, magnetron, or experiencing an issue with the power supply. Please confirm that your microwave is plug into its own outlet and that you are not using a GFI outlet. Hope this helps! - Z
First try plugging it in a different power outlet to eliminate a possible defective AC outlet, than if it still does not work, your friend could be correct it could be a fuse, if you have electrical skills you can verify your self. first unplug the power cable, than unscrew the cover to get to the electronic board, locate all the ceramic fuses and with a good multimeter set to (Ohms) check the continuity of all fuses if it reads 0 ohms it's good if it reads nothing than it is bad, replace that fuse with the same amperage and type than put the cover of the oven back, plug the power cable and give it a test if the fuse burns again than the problem is much worse, it could be a defective safety switch on the door frame or a defective circuit board, take it to a good repair shop...
REMEMBER TO ALWAYS UNPLUG THE POWER CABLE BEFORE OPENING THE UNIT!!!
When you take the top off and stare into the unit you will see a white fuse in a black plastic fuse holder. Look carefully. I had to replace the melted fuse holder as well. Radio shack has the fuses and holders.
Yes, is probably the fuse. I have fixed several microwaves with this problem and the fuse is almost always located just inside where the power cord enters the unit. Just remove the skin (usually screws on the back and BOTTOM also) test the fuse with a micro meter. If no contenuity, replace with same size, type and rated fuse. Most microwaves are 20amp fuse.
You know that you have to unplug the microwave first, right?Then you have to either wait a good while (I like a couple of days) or short out the current.
The fuse is located on the right side, behind the control panel at the top. You have to remove the vent cover (three screws) in the front, then the screws holding the control panel up ( I didn't remove mine, I let it rest on a pot to take the weight off the connectors). The fuse is on a small horizonal electronic board located 6 inches behind where the top of the control panel normally is attached.
You do NOT have to remove the oven, but it's small hands work, or great needle nose. You get the fuses for about 3 for $2.00 at Radio Shack.
But I bet that isn't you whole problem. Something caused it to blow.
First, there is an outlet. Plug in something else. Inside the key panel, there are fuses and a thermo sensor. Either may be bad. The thermosensor is about the diameter of a dime, black and 3/8 inch thick...attached to the wall of the chamber. All should have continuity.