Question about Whirlpool MH6150XM Microwave Oven
Is there any unusual noise or is it louder or quieter than normal?
We have a sound clip of what a microwave should sound like when the cooling fan and high voltage section are working.
If it's quieter than usual - like a fan or engine that should be on is not - then you may have a bad door switch or door switch mount. See this file on door switches. http://126.96.36.199/mwd/doorsw.txt
A loud buzz, hum, or groan is usually a shorted high voltage rectifier diode, but a sound like gurgling into an empty coffee mug is one symptom of a failed magnetron, and yet the mag can be bad without that sound.
Here are some links you or someone you know can use (in order given) for test help, but read the safety warnings first:
(if it is NOT shorted or burned looking, it's probably fine)
(continuity can be good even though mag is bad!)
There should be a "mini-manual" hidden inside the unit behind the control panel or hidden on the left side behind the grille, which is very helpful when troubleshooting, & testing.
At our Web site, we have a video available showing how to remove a typical over the range control panel assembly in under 5 minutes.
If you only need a switch, you can order a universal type here for $5 postpaid.
We're happy to help you with free advice and we'd appreciate your thoughtful rating of our answer
Posted on Sep 05, 2010
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Posted on Jan 02, 2017
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