Question about Whirlpool MH1150XMQ Microwave Oven
Everything else on my MH6150XHQ works but it no longer cooks. When I turn it on all I hear is a loud vibrating sound. I took it apart pluged it back in and put a screw driver near the transformer and the magnitizim from the transformer pulls the screw driver in a pulse like motion just like the vibrating sound. What could be the problem ? I'm guessing its either the transformer or possibly the capacitor but which one could it be ? Please help, this unit costs to much money to replace.....
Assuming your turntable comes on when you try to microwave, with the symptoms you
have, I would most strongly suspect a shorted high voltage rectifier
diode or a bad magnetron, or a loose and possibly corroded connection on the magnetron's terminal.
There should be a "mini-manual" (tech sheet) hidden inside the unit behind the control panel or hidden on the left side behind the grille, which is very helpful when troubleshooting, testing, and locating components.
If you don't find yours, or if you want to look at it without disassembling the oven, you can download it here.
You can usually find helpful exploded view diagrams and order parts by entering your full model number here.
Here are some links you or someone you know can use for test help, but read their safety warnings first:
(if it's not shorted or burned, it's probably okay)
We're happy to help you with free advice and we'd appreciate your thoughtful rating of our answer.
Posted on Jan 18, 2009
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Posted on Jan 02, 2017
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