Question about Whirlpool MH6140XK Microwave Oven

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My LG microwave is no longer heating up food. LG Canada advised I need to order a new magnatron. Since it is no longer under warranty, it will cost me $66+ shipping to order the part. Is the magnatron something I can replace myself or do I need to get a technician to install it for me?

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It can be somewhat tricky and dangerous if you are not careful. Unless you are capable of working around high voltage and able to re assemble something with lots of carefully fitted pieces I would let a trained professional do this job.
Eric

Posted on Jul 16, 2009

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Posted on Jan 02, 2017

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Microwave light comes on and turntable revolves when food is put in, but it doesn't heat food up. Food remains cold, can you help? thanks Dee


9 times out of ten it is the magnatron that has gone bad, that is the device that creates the microwaves for heating the food. Check inside the cabinet for fuses and if none found or blown then it is the magnatron. These are available widespread but most cost about as much as a new oven, so do a google search on your make and model of microwave and search for a magnatron for that unit. This will bring up parts suppliers and their prices and you can decide if it is worth fixing or replacing

Apr 04, 2011 | LG Microwave Ovens

1 Answer

The microwave no longer heats food and it smells as if something is burning. Everything else on the microwave works. Is this a common problem and how can I fix it?


Its your Magnatron tube, thats what makes the microwaves and heats the food. The part will cost you more than a new micro. The new model that replaced yours is a JVM1540 and you can get them for 179.00

Jan 17, 2011 | GE JVM1440 Microwave Oven

1 Answer

It will turn on but will not heat


Sounds like the magnatron is shot. This is the main heart of the oven, the magnetron is what creats the Micro waves to heat the food. You might want to find out what it cost to get this replaced and then decide wheter the cost of fixing yours is greater than replacment of the oven. Christmas time is here and Microwave ovens are usually cheaper this time of year. This unit might have a fuse to the magnatron, you can remove the cover after you UNPLUG the machine and see if there are any replaceble fuses inside the cabinet. If this has any years and lots of use on it, I would simply repalce it. You get a warranty with a new oven and someplaces let you choice a replacement type warranty.

Nov 15, 2010 | General Electric Microwave Oven

2 Answers

Is not heating up or cooking food everything else works.


Well that's not good news! I suspect the Magnatron ( engine) is at fault here. The cost of replacement often exceeds the value of the unit. Considering these days a microwave can be bought new from about a $100.00 depending on size. Second hand ones can also be bought from about $30 with a warranty and a pre sales check.
Magnatron replacement is about $250 + labour of about 2 hrs
Please rate my help++++Thanks for using FIXYSA

May 23, 2010 | LG LMV1680 Microwave Oven

1 Answer

What would cause microwave to turn on but not heat up food?


A faulty Magnatron ( engine)

There is no separate fuse here. If there is no heat the magnatron has stopped working. re[pairs are almost not worth the effort due to cost of the unit and the labour. Easier to visit a pawn shop ands gewt a goood second hand recehecked on with a warranty for about $50-100 ( a fraction of the repair cost)


Please rate my help++++Thanks for using FIXYA

May 16, 2010 | Maytag Appliances Over-the-Range Microwave...

1 Answer

Powers but no heat. Everything else functions


Sounds like the magnetron has failed. This is the component that produces the microwave that heats the food. The cost of the magnetron is about 95% of the cost of a microwave . 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

Jun 30, 2009 | LG LMV2053 Microwave Oven

1 Answer

Strange noise, no heat


Sounds like the magnatron has failed. This is the component that produces the microwaves that heats the food.

The cost of the magnatron is about 95% of the cost of a microwave oven. Most people don't, for this reason, replace the magnatron, they replace the whole oven.

There is a possiblity that the circuit that provides power to the magnatron 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 appart. It is a fairly lengthy process however.

Feb 02, 2009 | Emerson Black Microwave Oven

1 Answer

HI. I have a Whirlpool Microwave (MH6141XKB). It will not reheat the food and makes a louder "humming" sound than normal. Other than that, everything works fine. Please advise. Brent


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!
Please rate this response and help us keep this area free!
Thank You!

Jan 21, 2009 | Whirlpool MH6141XK Microwave Oven

2 Answers

Hi, I've got a 3-year old Panasonic NN-A725M microwave combination cooker. It has stopped microwaving! The interior light works, the motor works, the turntable turns, it feels hot inside, but the food is...


You need a magnatron..IT shoud be under warrenty..Magnatronshave 5 yrs warrenty..Contact you local service center..all you should have to pay is labor

Nov 28, 2008 | Microwave Ovens

2 Answers

Microwave does not heat


there may be a thermal problem check it

Jun 20, 2008 | Sharp Microwave Ovens

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