Leaking a blue liquid on inner top of kenmore microwave. What is it and should i replace microwave. It was made in 2005.model # 721.80413500.

These are all the top suppliers, but that model number is not showing. If the display has gone dim, you can get an electronics technician to replace the capacitor that runs the display.

https://www.google.com/search?q=Kenmore+Microwave+318279601B+parts

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Not easy. All microwave repairs should be done by a professional. Oven doors are easy, but they make microwaves harder because they need to be sealed and checked for radiation leaks. Traditional ovens are easy, microwaves aren't.

https://www.google.com/search?q=replace+the+inner+door+glass+on+a+neff+C67M70+microwave

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Could be silicon based.
Best thing is to not use the microwave till you contact the manufacturer to see if it is toxic or a repair needed.
If it is an old model get a new one.
Here are some old converations
there is blue liquid comes out from the joint inside microwave what is...

Chances are the thermal fuse is gone that protects the magnetron. Unplug microwave, remove top, [several screws] look over to the keypad and slightly to the left, you should see round fuse mounted on the inner chassis at the top, change with the same size and rating, if all goes well the microwave oven should function.

HELLO.

THE SOLUTION ON HOW TO REPLACE THE BROKEN HANDLE

THINGS NEEDED.

Phillips screwdriver.
Thin, flat-head screwdriver.
Putty knife.
Replacement microwave door handle.

1 Examine the inside of the door. The handles of some early GE Spacemaker microwave models were attached after the two inner door panels were assembled to the outer door. If you see two recessed screws opposite the handle attaching points, undo them with a Phillips screwdriver and remove the handle. If not, go to the next step.

2 Insert the blade of a thin, flat-head screwdriver into the top, outer corner of the door, between the plastic inner frame and the outer door. Gently pry the inner frame out and slip a putty knife into the exposed opening on top of the door. Slide the putty knife toward the hinges to free the top of the inner frame; repeat on the front and bottom edges of the door and lift the inner frame out to expose a second metal inner frame.

3 Insert a thin, flat-head screwdriver into each of the small square openings on the top and bottom of the inner metal frame, starting at the handle end of the door. Undo the attaching clips by gently levering the inner door away, using the rim of the outer door as a fulcrum. Move the inner door away from the outer door on its hinges.

4 Remove the glass from the outer door. Undo the two screws holding the handle to the outer door with a Phillips screwdriver. Screw the replacement handle onto the door and tighten securely.

5 Replace the glass panel and reassemble the door by snapping the two inner frames back in place.

Thanks.

Hello & Welcome to FixYa

Please review this video if you want to replace it yourself:

Please get back to me if you have any other questions.
Kevin

get a butter knife and be very careful and pop the plastic ring off from the inner door and you will see the screw. if you break the plastic ring you need to replace it to help block RF

To access the door handle mounting screws, you have to remove the inner door panel that goes around the perimeter of the glass. You can use a small screwdriver to simply pry the plastic up and work your way gradually around the perimiter of the glass. Most microwave ovens have grooves in the panel that you can insert the screwdriver into. Use care not to pry against the glass. The glass is tempered and also has an RF shield that prevents harmful microwaves from potentially harming the consumer. If you break the glass, you will need to purchase a new door.

The door handle screws are located behind the inner panel. Simply remove the broken handle and install the new one. Re-insert the inner door panel carefully and gradually work your way around the perimeter of the door glass and make sure it snaps back into place.

If you have questions, please let me know. I hope you find this information helpful.

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 ?

You have to separate the door panels (as shown in the attached photo) and then you'll see the previously hidden screws you need to remove.

Or you can watch a YouTube video (not a video I made) that demonstrates how it's done.

You can find helpful exploded views by entering your full Kenmore model number at the Sears parts site.

A full Sears/Kenmore model number has 3 digits, a dot, then 8 more digits, such as ###.########

Please be aware that you may have a broken spring mounting tab on the inner door panel.

In such cases, the best way to fix that is to drill a hole in the remaining material, insert the spring, then add a dab of epoxy where they spring attaches to the panel.

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