Emerson Model MW8627W does not heat after changing fuse!
This Sunday, I heard a "pop" from my microwave. I knew instinctively that it was the fuse. The bad fuse was indeed burnt out (brown burn spots on it). So I changed out the bad fuse and replaced it with the correct fuse. The microwave runs fine, but it does not heat anything up. What do you think happened? Nothing looked frayed inside nor there was any burning smells emitting from the oven when I heard the "pop" sound. HELP!
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I had the same thing to happen to our microwave oven. I went and replaced the fuse in it. Power came back on. Then I tried to pop some popcorn in it. 30 seconds after it started, it made a vibrating noise and shut off. It took the fuse but not the curcuit breaker. The microwave is 14 years old. I have just come to the conclusion that there is buildup all inside the motor parts and that it needs to be replaced. The instruction manuel mentions to replace the monitor switch when replacing the fuse. Since I lost the manuel a long time ago, I asked at Lowes and noone knew what that was....I since found out that it was a safety device installed on the microwave oven so that if the door was not shut completely or was out of alignment, it would throw the fuse. Anyway, I am happy with the service we got with this microwave. It has been through several slammed doors and lots of use. We have been very satisfied with our Frigidare Microwave. It has held up well.
Okay, first we need to separate the situations. You were boiling water on the stove and had the range hood fan running to **** up the steam. Then you put something in the microwave to heat and you heard a pop and then zip-o.
The water on the stove has nothing to do with the situation, the fan you turn on is not part of the microwave, so it has nothing to do with the microwave.
The pop you heard and then the humming suggests the magnetron failed. You said you found a blow fuse and replaced it and still nothing, right? The magnetron is the most likely culprit...I would think it is safe to say that the magnetron shorted and drew enough current to blow the fuse.
Replace the magnetron and if that doesn't work, let me know here. Good Luck!
I have replaced the main fuse on this model. Though blown main fuses are common in this model, it will not even turn on when they blow, so your problem is most likely NOT a blown fuse. I had heard of your problem so, when replacing the main fuse inside one, I looked for additional fuses and saw none. The store was wrong. Even if it were a fuse, the security Torx screws mean that you couldn't replace the fuse anyway.
This microwave seems to have been haphazarly been recommended by Consumer Reports, but it is terribly unreliable. The turntables break when popping popcorn, the main fuse repeatedly blows, and they also stop heating.
On our site, we have three different older Emerson microwave manuals you can download free:
If none of these is close enough to help you, you can e-mail us a photo of your control panel and we should be able to give you some operating tips.
You can e-mail us through our site, which is linked at our listing here on FixYa: http://tinyurl.com/yzjozk