Kenmore microwave model number 72180019401 not heating food

This is normal. Kenmore microwaves will stay running with fan and light on for a short time after food is cooked. The reason is to air out the microwave after cooking. Things like pop corn, Bacon etc. have strong smells after cooking. The ventilation helps to remove odors.

Hi,

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heatman101

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heatman101

Magneto or magnatron has gone bad. This is the part that sends the waves through the food to heat it.

Dave

My Kenmore 721.63259301 would not heat items up so I came here and saw the parts required and was just about to order them when I checked the online owners manual and found this. FULL FIVE-YEAR WARRANTY ON
THE MAGNETRON For five years from the date of purchase, if the
magnetron in this Kenmore microwave oven
fails due to a defect in material or workmanship,
Sears will repair it free of charge.
My microwave has a manufacture date of July 2009 so I will be taking it right to the closest Sears repair center for a free repair. I suggest everyone do the same.

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.


Benjamin

The service manual is here.

Unless there's a bad connection at a magnetron terminal, I would say you have a failing magnetron.

It is part number 2B71165R and you can get it from the Pros here for $68.59 (subject to change).

For more free DIY and other help & advice, feel free to contact me via my site.

William E. Miller, AS-EET
http://www.microwavecontrol.com
Microwave Oven Control Panel Repair Nationwide
"Recycling by repairing since 1982"

It sounds like you press STOP two or three times to lock it. Maybe that (or another key) will unlock it.

The lock / unlock procedure will be covered in your owner's manual.

Or you can try a hard reset - unplug it from the wall for one minute, then plug it back in and try again.

If you don't have your manual, you can get one here. (Enter your model number without any spaces)

We're happy to help and we appreciate your thoughtful rating of our answer.

Since it's under warranty, they will replace or repair it at their choice, and if they replace it, it will be the same model or a "like model".

I'd ask them about it.

We're happy to help and we appreciate your thoughtful rating of our answer.

The 665 prefix on your model number is Whirlpool, but I haven't found the code "d" listed yet.

Can you set the cooking time?

If so, what happens when you press Start?

I'll post back if I find the codes or if you have other info and I can help further.