Question about Maytag MMV4205 Microwave Oven
The magnetron overheated, causing
the magnetron thermostat to open, which kills all power.
When it cooled, it should have closed the circuit and allowed power through again.
If not, then the thermostat will need to be replaced.
Hopefully the magnetron is okay! Running them empty is a good way to ruin them...
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.
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 don't find yours, or if you want to look at it without disassembling the oven, you can download it here.
You can find helpful exploded view diagrams and order parts by entering your full model number here.
Accessing some components for testing and possible replacement will require you to remove the oven from the wall.
If so, the installation instructions are very handy, and it's best to have two people since the microwave can be heavy and awkward.
You can download Amana / Maytag owner's manuals and installation instructions here.
We're happy to help you with free advice and we'd appreciate your thoughtful rating of our answer.
Posted on Feb 03, 2009
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Posted on Jan 02, 2017
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