Question about Samsung SMH9187ST Microwave Oven

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Dosnt heat foot, fuses are good - Samsung SMH9187ST Microwave Oven

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I would say the magnatron has burned out,,,"thats the part that heats the food up" if its burned out you would find it far cheeper to buy a new unit that get yours fixed up,,,,
also if you have been poking about inside of this microwave your very lucky to still be alive,,,,,,,,there is a lot of volts "ie:1000's" kicking about inside this microwave even if its been un-pluged for dayes,,,they can and do work like a police stun gun!!! but some times they dont just stun you,,,they kill you,,,out right as well!,,,so be warned,,im not joking????

Posted on Jun 06, 2010


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My microwave gets hot on the outside but dosnt heat any food in teh insdie. What can be wrong?

The magnetron is not working. Is it bad? Fuse any good? Power reaching tube?

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Microwave goes but dosnt cook all seems to be in working order

Most likely, the magnetron (the gadget that produces the microwaves) has burned out. In this case, replace the microwave.

However, it may have a burned out thermal fuse. If you are skilled in this area, you can take the appliance apart, and replace the fuse. However, DO NOT TRY THIS unless you know how to put the radiation seals back together, and, have a leakage meter to be sure nothing is coming out. Microwaves are dangerous.

Best solution: get a new appliance.

Microwaves are only good for three to fie years.

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Jan 27, 2010 | LG Galaxy Countertop Microwave Oven

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It just all of a sudden dont heat up

Pull the control panel and check for a blown fuse. If the fuses are good, it's probably the panel or even worse the magnatron (too expensive to repair in most cases, just cheaper to replace the microwave). Good luck.

Sep 16, 2009 | Emerson Microwave Ovens

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Will not heat. Fuse and diode check good. Fan, lights, horn, etc all work fine.

The magnetron has failed, simply replace this component and this will fix your heating issue.

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