Question about Maytag MMV4203WS Microwave Oven
Microwave is not getting power. Reset circuit breaker and confirmed outlet it working with another device. Panel has no display and will not respond to buttons.
Posted by Anonymous on
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Posted on Jan 02, 2017
It could easily be a bad line fuse and/or line filter. To access you will need to unplug the unit and remove the outside case. Inside the unit, where the A/C power cord comes in, there should be a small circuit card (part #237068) located somewhere with a fuse mounted on it. This is your input line filter board with line fuse. Replace the fuse, first and see if this fixes your problem. This is a 20amp appliance fuse that you can purchase at any hardware store. Make sure you place the cover back on the unit BEFORE you plug it in. It is not safe to have this area of the microwave exposed with power applied. High potentials in the 4,000 volt range are present! If the fuse does not correct your problem, the circuit card runs about $26.00. Good luck and hope this fixes your problem.
Posted on Aug 04, 2007
you may have some arching inside where your magnatron is located.If you open the door on the right middle part there is a silverplate on the wall .If it is burned you may need to replace magnatron.if you do not seee burn marks it may still be the magnatron hope.that would be the only possible thing that would make the noise other then the mtor plate out of place.
Posted on May 15, 2009
SOURCE: Maytag microwave just died.
Take it back to the store and make them do something about them. If they dont then file a complaint with the BBB no reason for you to have to deal with this when it is there problem. It sounds like there is a venting issue and more going on
Posted on May 19, 2009
SOURCE: my maytag microwave lost power
There is always a fuse inside a microwave.Sometime this has only blown due to a surge,and upon replacing, the microwave will continue working.If it is something worse the fuse will continue to blow.In this case it could very well be the transformer,but there are other possible causes as well.(for example the control board or a short.)
Posted on Jun 24, 2009
SOURCE: No power to microwave?
The cord may be defective either 1) at the plug end, 2) internally inside your microwave, or 3) inside the cord itself.
Otherwise there may be an internal fuse that has blown due to a surge, etc.
It is not so difficult to check. Open the rear cover of the unit, and check for an in-line fuse. If there isn't one, or if it's okay, then use a tester to confirm if power is getting to the unit by placing the probes on on both positive and negative contacts. If you don't have a tester, you can use a basic unit (a light with 2 wires/probes) that Home Depot has in the electrical department for a couple of bucks.
Posted on Sep 07, 2009
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