Question about Microwave Ovens
Our microwave seems to be heating not as well as it did 2-3 weeks ago. We took the front panel off and found that the 20 amp fuse seemed to be blackened. We replaced the fuse tonight, but it does not seem to have solved the problem. To test, we popped a bag of popcorn using the popcorn button prior to replacing the fuse and after. Both times, it took an additional 2-3 minutes to pop the bag after using the popcorn button. Additionally, we tested a regular cup of tap water. Usually it takes 1:35 to heat the cup of liquid to be HOT. Now it is taking anywhere from 3-4 minutes to make that happen. Does anyone have any suggestions for how to fix this problem? Are there other components that I should look at?
The fuse will either be good or bad. If it blows, the unit will be "dead".
Assuming electrical outlet voltage is low, I would suspect that your magnetron is failing.
The magnetron usually has a warranty of 5-9 years.
Here are some links you or someone you know can use (in order given) for test help, but read the safety warnings first:
You can usually find exploded views and order parts by entering your model number here at the Sears parts site.
We're happy to help you with free advice and we'd appreciate your thoughtful rating of our answer.
Posted on Sep 09, 2008
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Posted on Jan 02, 2017
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