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How do I replace fuse kenmore 721 microwave.

It will not turn on and appears to be dead.

Posted by Anonymous on

6 Suggested Answers

6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

MicrowaveSvc
  • 9047 Answers

SOURCE: Kenmore Microwave model 721 62624200

We see this a lot. The problem is almost certainly on the control panel, which we regularly repair nationwide for $39.95 postpaid.

This light failure often occurs when a bulb goes out and the filament shorts, or when the bulbs are removed or installed without first unplugging the oven from the power line. Either can cause such a failure on the controller.

Details of our service and critical safety information and disassembly information is at our site, linked here on Fixya:
http://tinyurl.com/yzjozk

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

Posted on Nov 26, 2007

jsrock516
  • 5911 Answers

SOURCE: replace handle on microwave oven

The part number for a new handle is 820941 and costs approx. $19. If you already have the part and are wanting to install it follow these steps:

You can either do this with the door in place, or remove it. To remove it, you open the door all the way and push up at the hinges. The door should lift off the hinge pins.

1. On the back side of the door (the side that faces the interior of the oven) is a plastic facing around the perimeter of the glass.

2. There should be a series of slots or grooves around the facing that you can place a small screwdriver in.

3. Carefully (I cannot emphasize this enough) lift around the facing until it comes loose. You may not have to remove it all the way around the door. Sometimes you can gain enough access by lifting on the side where the door handle it mounted.

4. Under the door facing are the mounting bolts (or screws). Remove broken handle and install new handle.

5. Reinstall components in the reverse order as stated before.

If you are waiting to order the part for your oven, you can get it at repairclinic.com. The part will be shipped directly do you for a nominal shipping fee.

This should be a fairly simple repair that only takes about 10-15 minutes.

Again, be careful with the door. If you break it, a replacement door costs over $200! Good luck and let me know if I can help further.

Posted on Jan 18, 2008

  • 43 Answers

SOURCE: microwave no heat

The "HUMM" indicates a breakdown in the High Voltage Side. The loud "POP" was the breakdown. You have only four Components in the High Voltage side.

1. High Voltage Transformer. You can eliminate this as the problem. Why? If it was the problem it would have blown the line fuse, and would have given off a burned transformer smell.
2. High Voltage Diode. Usually will Burn or Pop when shorted, but will then OPEN the Circuit and there is no "HUMM".
3. High Voltage Capacitor.This is the Silver Can with the two terminals on top. It can SHORT internaly between the plates (the two terminals) and give the "HUMM".
4. Magnetron. This is my number one suspect. A SHORTED Magnetron.

Posted on Feb 03, 2008

ginko
  • 19396 Answers

SOURCE: Kenmore microwave 721 Displays 66:66 and beeps

Try first unplugging power cable for ten minutes, and see if it clears the error.

Posted on Oct 24, 2008

  • 1 Answer

SOURCE: kenmore microwave model 721-63252301 - no heat

we are going to try to find a fuse and replace that or just buy a new microwave

thank you

Posted on Jun 06, 2009

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1 Answer

Kenmore microwave 721 night lite not coming on.


Check the fuse. If it's OK then you have to check the transformer in the system board also the Hv transformer and magnetron
If you wish to get some details about repairing microwave oven then how the link
www.electro-medical.blogspot.com

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Kenmore microwave Model #721-80019401


sears parts direct paste the whole URL below in your browser

http://www.searspartsdirect.com/partsdirect/part-number/Kenmore-Parts/Microwave-Parts/3651W1A022B/0022/721/Model-72180009401/0582/0123370?keySuffixId=&pathTaken=partSearch&pathRender=modelComponent&documentCompId=50026727&diagramPageId=00001

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Take the cover off. Make sure you unplug it. You will see the fuse close to where the wire goes in. Replace and but back together.

Mar 31, 2013 | Microwave Ovens

1 Answer

Kenmore microwave oven model 721


Hi,
On the link below is the list of Kenmore microwave oven model manuals starting with 721.Click on selection to download.

www.managemylife.com/mmh/owner_manuals/search?query=Kenmore+micicrowave%2Fhood+combo+-+7218924680

Hope this helps.Thanks!

Jan 07, 2012 | Microwave Ovens

1 Answer

Microwave electrical problem


Unplug, take all the screws out from around the case. Remove case. There is a fuse inside (Without Model number I can't tell you right where it's located) It looks like one of the old round car fuses only it's white colored. It's made of ceramic. Replace it and put unit back together. This is a common problem when one does what you are saying yours is. Be thankful that's all, if you had anything working it would be something major and would be cheaper to replace unit if it a counter top model.
  • NOTE: DO NOT REPLACE WITH CAR FUSE. USE ONLY MICRO WAVE FUSE.
Please rate solution

Sep 05, 2009 | Kenmore Microwave Ovens

1 Answer

Kenmore microwave model 721-63252301 - no heat turns on - but nothing is getting hot


we are going to try to find a fuse and replace that or just buy a new microwave

thank you

Jun 05, 2009 | Kenmore 63252 Microwave Oven

2 Answers

Kenmore 721 microwave fan turns on by itself


I have the exact same problem with my Kenmore Microwave model 721 that we bought in October of 2005. The Fan will just randomly turn itself on even when we are not cooking. It has been doing this for the last few months and is starting to become more frequent. There is no way to turn it off except to unplug it for several hours.
Was there a recall for this defect ?

Apr 25, 2009 | Kenmore Microwave Ovens

1 Answer

Humming sound, F9 and dead


Seems like I answered this, but maybe it's a different poster.

The 721 model code means it's an LG/Goldstar-made oven and F9 indicates a problem with the inverter or magnetron.

Due to the lethal voltages involved, I do not recommend that a person without training and experience ever work on these models.

I would suggest you contact Sears for service.

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

Jul 19, 2008 | Kenmore 64683 Microwave Oven

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