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GE Over-the-range Microwave makes loud popping noise

My GE over the range microwave makes loud popping noises while boiling water on rear stove top burners. I assume condensation is getting into the rear of the appliance. Is this fixable or should I replace?

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I also have this problem, just started doing it but its an LG thinQ over range. Im wondering if condensation isnt getting into where the tiny lightbulb is at, I'll note that we dont use the light as it burned out a year ago and I never replaced it

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Check the condition of your microwave waveguide cover. If it's burned or cracked, it can deflect the microwaves to the metal case, resulting in sparks that could well make a popping noise. Again, I can't give you specific information on the appearance of yours without knowing the model number, but here's a fairly representative picture of what the waveguide cover looks like. it's made of mica, thin and easily breakable.

Block Image

You'll usually find it on the side of the microwave that has the control panel.

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Because you do not indicate the model, I decided to just look at the troubleshooting section of the first Bosch microwave that came across. They write that the presence of steam, vapor or moisture is quite acceptable (page 21 of the General Electric JNM3163DJBB Owner's Manual ). Perhaps there is nothing to worry about and if there are no other problems, it is not worth trying to fix the normal operation of the equipment.

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Ed Evans crwdns2934231:0crwdne2934231:0
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