Why does KitchenAid KHMC1875WBL microwave work only on some settings?
Our KitchenAid KHMC1875WBL microwave heats food only on the "Reheat" and "Defrost" settings. Food does not heat when we use the "Cook" setting. Does anyone have ideas for a fix? Thank you.
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it shows that microwave mode is not working only grill or convection is working,Check supply of HT transformer if o.k check HT diode by replacement, still the same replace magnatron.
Sounds like the magnetron has failed. This is the component that produces the microwaves that heats the food.
The cost of the magnetron is about 95% of the cost of a microwave oven.
Most people don't, for this reason, replace the magnetron, they replace
the whole oven which is probably what you will end up doing.
There is a possibility that the circuit that provides power to the
magnetron is faulty and you need to take it apart, find the proper
electrical leads and test them with a volt meter. To do this you have
to remove it from its mounting and take it apart. It is a fairly
lengthy process however.
Brent
The magnatron in your oven has gone out and will need replaced!( This is the device that heats up your food) If everything is working and your food is not getting hot 99.9 percent of the time its the Magnatron or its fuse! The loud humming is also a big clue the MAGNATRON has gone bad!
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I think you refer to the steam sensor. I,ll explain how it works with one of its uses. Say you want to reheat a plate of food. You can do this two ways. You can guess how much time it will take to warm the food, and maybe not heat it enough or overcook it which can ruin some foods. Or you can just press the "reheat" button. The oven will come on at full power and continue to operate until steam begins to rise from the plate. The oven then switches to a "countdown" mode until it determines the food is hot. Saves time and guesswork. Most modern ovens work like this. Since you dont give the make and model of your oven, this is the best I can do.
Ray...
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