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Need a replacement for kenmore 721.80012401 microwave..can be any brand in s/s. Unit is 15 yrs old

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6ya6ya

6ya staff

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Hi there,
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Posted on Jan 02, 2017

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MicrowaveSvc

William Miller

  • 9179 Answers

SOURCE: kenmore microwave 721.80412500

The owner's manual should spell that all out.

But if you don't still have yours, you can download one via Sears' "Manage My Home" site here. While it's free, you will have to register.

(You *may* be able to download it here without logging in. If not, go ahead and register. It's free.)

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

Posted on Sep 25, 2008

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MicrowaveSvc

William Miller

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SOURCE: kenmore galaxy microwave model 721.80002 1500 watts does not heat

With the symptoms you have, I would most strongly suspect a shorted high voltage rectifier diode or a bad magnetron, or a loose and possibly corroded connection on the magnetron's terminal.

The diode is a fairly cheap fix, and the mag will cost more.

If you or someone you know decide to look into it, we have critical safety information and disassembly information at our site, and our link is at our listing here on FixYa.

There should be a "mini-manual" (tech sheet) hidden inside the unit behind the control panel or hidden on the left side behind the grille, which is very helpful when troubleshooting, testing, and locating components.

At our Web site, we have a video available showing how to remove a typical over the range control panel assembly in under 5 minutes.

If you don't find yours, or if you want to look at it without disassembling the oven, you can download it here.

Here are some links you or someone you know can use for test help, but read their safety warnings first:

http://www.gallawa.com/microtech/diode.html (if it's not shorted, it's probably okay)
http://www.gallawa.com/microtech/mag_test.html
http://www.gallawa.com/microtech/xformer.html

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

Posted on Dec 22, 2008

Anonymous

  • 31 Answers

SOURCE: lost heat on microwave ,everything else works fine simple fix?

Inexpensive fix yes, but quite dangerous as you have to either replace the High voltage Diode or the magnetron depending on what has gone. Most often it is the Diode as that is fed a few thousand volts and anomolies such as a surge in current cause it to blow(popping sound) You can also check the fuses and if lucky it is just a fuse, but a fuse very seldomly just blows as it points to an underlying fault such as magnetron , capacitor or Diode. Have a service man attend to it unless you know what you are doing as you are dealing with lethal voltages and current even after the microwave has been switched off.

Posted on Aug 01, 2009

jsrock516

Jeff Rockwell

  • 5911 Answers

SOURCE: The door handle cracked from the door. The unit

Or, if the handle itself is the only piece damaged, you can simply replace the door handle.

On MOST microwave ovens, you just have to remove the inner door panel that goes around the perimeter of the glass. The panel is pressed in place and can be removed by using a small screwdriver or putty knife and carefully insert along the seam of the inner panel to pry the plastic up. Work your way slowly around the perimeter of the glass to pop the panel loose. Use care not to pry against the glass. The glass is tempered and also has an RF shield that shields you from harmful RF radiation.

With the inner panel removed, the door handle screws are visibile and can easily be accessed with a screwdriver. Simply remove the broken handle and install the new one. Re-insert the inner door panel, gradually working your way around the perimeter of the door glass to ensure it snaps back into place and seats properly.

This repair can be done with the door in place, or you can remove it for easier access. If you decide the remove the door, open it all the way and lift straight up at the hinges. The door will lift off of the hinge pins. On some microwaves, you may have to remove the upper grill cover over the door (if equipped) to accommodate door removal. Place on a hard flat surface with some towels under it for padding. This protects the door facing from scatches.

NOTE: Some doors have a hinge pin that needs to be removed, or screws holding the door in place at the hinge.

You can view an exploded view diagram of your microwave at any of the following websites for reference: searspartsdirect.com pcappliancerepair.com appliancepartspros.com Just type in your model number and locate the parts listing for the door. If you have any questions, or require additional assistance, please let me know. I hope this helps you.

Posted on Dec 23, 2009

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