Question about Kenmore 80809 Microwave Oven

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No heat Light comes on Turntable rotates but I get no heat at all. Tried unplugging and plugging back in with same result. Magnetron??? or something in High Voltage how do I tell which??

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  • microdan Dec 14, 2008

    not heating up is there a fuse some where?

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  • 62 Answers

Its sounds like the magnetron. If it was a voltage problem, or something else in the circuit, there would be no power to it as a safety feature. You could get it serviced, but depending on what they run in your area, you might just be better off getting a new one.

Posted on Nov 18, 2008

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Posted on Jan 02, 2017

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Counter top ge microwave did not heat. Ck all the sw and everything else & all seems fine. Put back together but now open the door and fan and light comes on, still no heat


Most likely the magnetron has went bad though there is also a high voltage rectifier diode which could be bad. These can be replaced but be aware that they are in the high voltage section of the microwave.
The website below has a video (not mine) showing what is involved in changing the magnetron. You need to follow all of the safety recommendations shown (most important is to short the high voltage capacitor as it can store voltage even when the appliance in unplugged).
youtube magnetron replacement Yahoo Video Search Results

Dec 09, 2017 | GE Microwave Ovens

2 Answers

I have a LG microwave, model MG 583MC. It does not seem to heat up, but turntable spins, trying to faultfind, how do I discharge the cap? Or do I disconnect the leads to the cap, and then discharge?


You unplug it fro 10 minutes to drain down the circuit, but if it doesn't heat the chances are that the Magnetron is defective, in that case a new oven is a good choice.

Apr 19, 2017 | LG Microwave Ovens

1 Answer

My emerson microwave oven dose not heat up


Need more info: Model #? Does MW light come on? Does turntable rotate? Can you set the clock? etc. Could be fuse, magnetron, HV transformer, or more.

Nov 27, 2014 | Emerson Microwave Ovens

1 Answer

I put my Microwave on for 30 min and it suddenly stopped working, suggestions?


If there is no power at all to the display or the panel then it is failure of the board. But if there is power without heating, if the turntable/fan/light works, then it can be related to failure of relay, Magnetron, Waveguide or capacitor.

Jan 31, 2013 | GE JVM1650 1000 Watts Microwave Oven

1 Answer

Does not heat food-master relay reset, all electric OK (fan runs, time & all other settings show OK, turntable rotates), door closed tightly, control lock


THere are three possibilities, open magnetron "heats food" cracked high voltage diode, or a shorted high voltage capacitor.

Mar 14, 2012 | Maytag MMV1164WB Microwave Oven

1 Answer

MY MICROWAVE DOESNT HEAT UP FOOD JUST COOKS


Hi.

The wave emitting part inside the microwave oven is called the magnetron. The waves emitted by the magnetron generate heat in food. When the microwave is running, turntable turns and light comes on but there is no heat it means that either the magnetron is faulty or the magnetron is not getting power. When the magnetron is not getting power parts such as the high voltage diode or capacitor must be tested or replaced. Testing and repair must be carried by a technician. Here some general troubleshooting: http://www.fixya.com/support/r2096491-microwave_works_normally_but_not_heat

Regards.

Ginko

Sep 07, 2011 | Microwave Ovens

2 Answers

My microwave oven is not heating. It will run like normal...e.g. light comes on, turntable rotates, timer works, exhaust fan works. I found out it wasn't working when microwave popcorn wouldn't pop.


It sounds like the magnetron may have either failed or is not being supplied with the extremely high voltage required to run it.

YOUR SAFETY IS PARAMOUNT

This is a job for a professional but if you are safety clued up, here's instruction.
Make sure the !!!!capacitor is discharged!!!!! before attempting any sort of repair.
Check the door interlock switches first then the high voltage diode with either an AVO model 8 or moving coil meter on high resistance range for short circuit, (DVM's won't show the fault!), the capacitor can fail and go short circuit, the feed fuse on the primary of the high voltage transformer and then finally, the magnetron is best checked by substitution.
Hope that helps.

Feb 08, 2011 | Kenmore 62702 Microwave Oven

1 Answer

My oven is working and the turntable is rotating...But its not heating the stuffs...Also i am not able to change the power level..


This indicates a bad magnetron that "heats the food" or possibly a bad high voltage transformer that drives the magnetron, the parts and labor will approach the price of a new microwave oven.

Jan 23, 2011 | Welbilt MR99T Microwave Oven

1 Answer

I have a Kenmore Microwave Oven.The turn table stopped rotating and the unit does not heat. It sounds like it is working but it does not heat. Does the turntable have something to do with this?


What you probably hear is the fan. If it's not heating the problem is almost certainly the magnetron. The magnetron is the main component in every microwave and can be very expensive tp replace. You'll be better off buying a new microwave. The prices on new ones have dropped dramatically, I saw a 700 watt unit selling for $50.00.

Nov 20, 2010 | Kenmore Microwave Ovens

1 Answer

KitchenAid KCMS1555RSS stopped heating. Everthing else works, full display works, time counts down, turntable rotates, light comes on, etc. but no heat. makes loud hum. Magnatron? Cost to replace? Unit is...


If it is making a loud noise, check the diode and magnetron for damage.
BEWARE OF LETHAL VOLTAGES!
The fault may be just the diode and a reasonable cost will be involved. If it is the magnetron, depending upon where you purchase one from will command the price.
Hope that helps.

Nov 13, 2010 | KitchenAid KCMS1555RSS Stainless Steel...

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