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Will not process all the water installed........machine is level machine isn't even a year old and problem started three weeks after purchase

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If it is not at all heating then the magnetron need to be replaced.
When replacing the magnetron, it's very important to be sure the new one has the wire mesh "washer" (RF gasket) around the antenna which sticks out the top. If it's not on the new one, use the one from the old mag. Very important.
Also, you should really discharge the high voltage capacitor


Posted on Jun 23, 2009


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How do you start the self cleaning oven process on a kenmore stove purchased from Sears in 2009?

  1. Empty the Oven
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2 Answers

Machine goes through the motions but water comes out cold

Hi,you have not stated how old this unit is ? I think they are supposed to last for 4-5 years but I've known some to break after just one year and others that worked great for 15 years or more.
Read more: What is the average life span (during normal use) of a microwave oven? ' Answerbag

Carbon Heating Lamp for microwave oven strong heat resistance. More than 6000hrs lifespan.
From a website...

7.3.7 Magnetron Life Expectancy

The typical life of a magnetron tube is approximately 2000 hours of operation. Some factors that can diminish the life of a magnetron are: 1) no-load operation, 2) operating with too much metal in the cooking cavity, 3) line voltage consistently too low or too high, 4) improper phasing, 5) improper installation or removal, 6) replacing associated high-voltage components with substitutes that are incompatible with the system design, 6) continual operation at the upper limit of its heat tolerance due to inadequate air circulation, 7) obstruction in the wave-guide, 8) failed stirrer operation.


We use ours about 15 mins a day which would mean 2000 hours would be reached in 22 years but as they say there are a lot of factors which may reduce its life. The design and parameters of the oven will make a considerable difference. E.G. A highish power magnetron always underrun will last much longer than a smaller one run at its max ratings.

A restaurant might reach 2000 hours in only a year or so and industrial machines whether for cooking food or other processes will require frequent magnetron replacement.

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Sounds like there is a stray piece of wire or other metal floating around inside the case. Remove the cover and any breakables in the microwave (the power cord is unplugged for this), turn it upside down over a table and shake it, pound the bottom, and shake it some more--likely the offending piece will drop out onto the table. If so, put it back together and whack it to see if that fixed the problem (cord plugged back in). This process can be repeated.

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It is possible that the extention cord is the problem. Over time wires will heat voltage will drop. Along with the added distance on the code the voltage drop cause a drain and trips the GFCI. Try replacing GFCI and also try opperating without the extension cord.

I’m happy to help further over the phone at

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I took in to ABT, where it was purchased, it's now, three days later, they still haven't called to let me know what the problem is and how much it will cost to repair.

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The first thing I would suggest is a hard reset. Unplug the unit for a minute or so. Then plug it back in, set the clock and try again.

Otherwise, when you hit Start to cook, do the inside light and turntable come on?

Any unusual noises?

Is it louder or quieter than usual?

Since it's less than one year old, it should be fully covered under warranty. I'd suggest contacting Sears to get it fixed free.

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