Question about Maytag MMV5207 Microwave Oven

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Nothing operates, blank display, dead.

I used my microwave to cook bacon one night and the next morning the display was blank/dead. Power outlet was OK

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6 Suggested Answers

6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

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jsrock516
  • 5911 Answers

SOURCE: MAYTAG mmv4205aab OVER THE RANGE MICROWAVE

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

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SOURCE: Microwave is not getting power

may i please ask you if you have a meter? check that 120 volts is going in? check the buttons that you press. also check the fuse check the mains cable for any breaks. also you may want to test the display to see if any power going in?

Posted on May 05, 2009

tomsat69
  • 214 Answers

SOURCE: Maytag MMV4205BA microwave buzz/grind when operating then no power

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

sonicboomele
  • 1557 Answers

SOURCE: microwave just lost all power in the middle of

as the unit was running at the time it stopped the fault is simple your microwave has blown its fuse. the question is why? in some cases the fuse simply fails to hold in this case i would replace the fuse and be on my way. or the microwave has suddenly formed a crossed circuit. the fastest and cheapest way to test this is the way most techs do it but its dangerous.!! so you decide weather to do it or have it seen to by a tech. take the back of the unit the master fuse will be at the back just were the power cord runs in replace the white fuse (ceramic) with the same volt and value as the one in it put the back on (for safety) plug it in and try cooking with it if it goes great if not its a big fault and in the bin it goes.

best of luck to you

please take the time to rank my advice thank you.

Posted on Dec 02, 2010

  • 476 Answers

SOURCE: Maytag Microwave OTR MMV4205BA just

Hi, on the Maytag MW oven, it is possible that one of two things is hapenig:
One would be an erratic door latch switch, that might be cutting the power to the control panel(digital display)and that is why the panel kind of does the power reset, but I am more inclined to a control panel that is starting to loose one of its components, the fact itself that you can set a lower power level for cooking and the oven goes through the cycle normally is a sure indicator that the control panel is involved. Out of the two possibilities the switch is the most economic. Both the switch and the control panel are available from www.partsclinic.com, just type in your model number in the search window, and a full list of available parts and pictures are displayed. I hope this helped and good luck.

Posted on Dec 03, 2010

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2 Answers

Why does my. MAgic Che f microwave smoke inside when I cook bacon?


Although bacon can be cooked in a microwave, cooking any low water content food is ******* an oven, and can shorten the lifespan of the magnetron.

The smoke you're seeing is probably from the grease in the bacon. However, there's a slight chance it's from the power transformer as these sometimes fail slowly. You should be able to tell from the type of odor.

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Display blank, power source OK.


A thermal switch probably sensed the temp as too high and opened. If it did not reset when cooled down then the thermal switch is of the type that required replacement. Take it to a repair shop unless you are capable of making electrical checks and doing this safely.

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Microwave was in use and then shorted out. The breaker did not flip but microwave display went blank and interior light went out. Tested outlet for microwave and it still has power but now microwave is...


There are at least one or too fuses gone, the main fuse located on the main board or behind the control panel, and the thermal fuse located at top on the inner chassis that protects the magnetron, any more than that you are getting into serious money. Remember lethal voltages present when plugged in.

Jun 25, 2012 | GE Microwave Ovens

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I accidently ran it for a few minutes wih nothing in it. I turned it off and everyting seemed fine. Later I walked in kitchen and there is no light, power or anything.


I assume you checked the power cord and house power circuit breaker panel... possibly tripped unrelated to your running the microwave empty.

(the following is from http://www.kellerstudio.de/repairfaq/sam/micfaq.htm#mictotdo)


The microwave oven may be powered from a GFCI outlet or downstream of one and the GFCI may have tripped. (Removing a broken oven lamp has been known to happen.) The GFCI outlet may not be in an obvious location but first check the countertop outlets. The tripped GFCI could be in the garage or almost anywhere else! Pushing the RESET button may be all that's needed.

Next, try to set the clock. With some ovens the screen will be totally blank following a power outage - there may be nothing wrong with it. Furthermore, some ovens will not allow you perform any cooking related actions until the clock is set to a valid time.

If those are not the problems, then the main fuse is the most likely suspect for a totally dead microwave.
Remember, while you can do some repairs on you microwave, what you don't know can kill you... even on an unplugged microwave, so make sure you understand the dangers and how to reduce them before you try anything inside a microwave. If you want to do more yourself, let me know and I will point you in the direction of some good resources.

Oct 21, 2010 | GE Microwave Ovens

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We were cooking a dish and stopped it at the mid point and to add some sauce and it would not restart. Clock and everything is out. Everything esle in house works, no circuit breakers were off. The Jenn...


The same thing happened to ours last night. We went to add another minute of cooking time and realized the oven was dead - no clock, no display of any kind, and no more cooking!

I've verified the power outlet is OK. Ideas???

Feb 19, 2010 | Jenn-Air M170 Microwave Oven

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The glass turntable broke in 3 pieces this morning while cooking bacon. The bacon was not yet cooked or even hot. It broke into 3 large pieces. The unit is not at all new. Does this sound normal? Did I do...


The same thing happened to my microwave this morning while heating a cup of water, which broke into 3 pieces too before the water hadnt even hot.
Maybe you have already solved your problem and I just share my experience.
I am trying to call the manufacturer nearby and ask for the turntable, but I am afraid the new turntable dosent fit my a little bit old microwave.

Dec 27, 2009 | Microwave Ovens

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GE SpaceMaker JVM140001 just quit


Same thing happened to our unit. My wife had started cooking potatoes and we left house for an hour. Came back and unit was dead, nothing worked. Verified power @ plug. Unplugged, pulled control panel and checked fuse which is mounted @ top of circuit board (will now refer to as CB), back side of interface panel. It passed continuity test. Inspected wiring and was all intact, no sign of burn thru. Varistor visual also looked good, no discoloration or burns. Removed (5) fasteners that hold CB to interface and inspected back side. Noted minor "blackening" @ pin location #1 of the (5) pin plug immediately beneath fuse. Resoldered because connection looked poor. Plugged back in and tested, all features worked correctly!

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