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Magnetron Issue

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I received a replacement magnetron from your company yesterday. After installation, I used the unit twice with no issues. Today,

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  #1 (permalink)  
Old 09-05-2007, 12:54 PM
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Keith Swindle is on a distinguished road
Default Magnetron Issue
Model Number: RM770PXA   Brand: Whirlpool   Age: More than 10 years   

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I received a replacement magnetron from your company yesterday. After installation, I used the unit twice with no issues. Today, I powered it up and after a few moments I began to smell an electrical (burning) odor. It appears to be coming from the area of the magnetron. In addition, it's not heating again. What do I do next?


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  #2 (permalink)  
Old 09-05-2007, 02:11 PM
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Keith,

I'm going to go ahead and include my email response here. One thing I forgot to ask you - did you hear any loud popping sound when the microwave stopped heating? If you did, the rectifier (diode) is bad. Otherwise, read on:

Usually, when there is a strong electrical burnt odor coming from inside the microwave (inside the control panel to be more precise) it indicates that the high voltage transformer is bad. Depending on how long the transformer coil has been on and burning you may or may not visually see the damage on the coil.
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