Question about Maytag MMV5207A Microwave Oven

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Matag Microwave MMV5100AAB

Microwave works fine untill you use the add time button then it blows the fuse behind control panel

Posted by Gerlach on

  • pspalding1 Aug 31, 2008

    what is the amp of the fuse that needs to be replaced?

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2 Answers

William Miller

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So you mean if you do regular cooking it works okay, but only fails when you press the "Add 30 sec." key?

This would most likely be a bad high-voltage transformer, not a problem in the keypad or control board.

If my understanding of your problem is not correct, please correct me and I'll be happy to help further.

This is likely worth saving, but I would need a little more detail.

Posted on Nov 26, 2007

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Craig Shelton

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There is a short either in the keypad or the power board.  Unfortunately parts for this one are not available anymore.  If you could get the parts it would cost you well over $100 and would be a better idea to replace the microwave.  If this only happens when you add time then I would just use the microwave without using that option.  Would appreciate a solved rating for expert advice.

Posted on Oct 27, 2007

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Hi ..Our Microwave stopped working. It is a GE Microwave- Convection Oven in wall combo with control panels for both ovens shared. Convection oven works fine. Microwave has no power...it is dead. ...


There is often a fuse and a magnetron thermal fuse or thermostat.

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.

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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.

You can find links to helpful exploded view diagrams and order parts here.

We're happy to help you with free advice and we'd appreciate your thoughtful rating of our answer.

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My microwave is completely dead. I have checked the fuse in the plug and it is fine. Any suggestions?


Hello,

What you are to do to solve the problem is to do a general troubleshooting on your oven below are instruction to follow.

The Microwave is a counter top model with a variety of preset cooking options, including timed cooking at a variety of power levels and sensor-cooking settings for popcorn, rice, beverages and single-serving reheating.

The sensor cooking and reheating features detect increasing humidity levels inside the microwave and automatically adjust cooking time for various types and amounts of food. This microwave also includes a turntable and an electronic control panel.



Instructions below are step by step solution for your oven

  1. Check to see if the microwave will start. If it will not start and the display panel is blank, you may have a power problem. Unplug the microwave and then plug it back in, making sure that all three prongs of the power cord are fully inserted into the wall outlet. If this doesn't work, check your home's fuse box. Reset the circuit breaker to restore if necessary.
  2. Ensure that the microwave door is fully closed. Press the Clear/Off button to cancel any previous cooking instructions. Re-enter your cooking program, including cooking time and food weight if necessary, and press Start.
  3. If "Err" appears on the microwave display, press the Clear/Off button and reenter your cooking program. The "Err" message will appear during the sensor-controlled programs (Popcorn, Rice, Beverage or Reheat) if the door is opened before steam is detected or if no steam was detected within the maximum amount of time allowed by the microwave. Be sure to leave the door closed during these programs, at least until time is shown counting down on the display panel.
  4. If your control panel will not work or if an "L" is displayed on the screen, press and hold the Clear/Off button for a full three seconds to unlock the control panel.
  5. If your sensor reheat program is resulting in under- or overcooked food, first try decreasing the amount of food in the microwave; the sensor programs are designed for single servings of food. The sensor reheat function works by measuring humidity inside the microwave--do not use a tightly-covered dish with this setting because no moisture will be able to escape and the food will overcook. Be sure that cooking containers are dry; moist containers will increase the humidity in the microwave and mislead the sensor, resulting in undercooked food.
  6. If your turntable is not rotating, first check to ensure that your food container is positioned so that it can freely rotate without hitting the microwave's interior walls; using a smaller food container can fix this problem. If the turntable still will not rotate, lift the turntable from its support and replace it carefully, ensuring that it rests evenly on its support.
Good luck.

Thank you and thanks for using fixya.

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1 Answer

Control Panel of Maytag Microwave CMV 1000B doesn't work


You have a failed membrane keypad.

If you (or someone you know) might want to replace it yourself, I have uploaded a handy guide with pictures showing you what's typically involved.

You can usually find helpful exploded view diagrams and order parts by entering your full model number here.

There should also 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.

If you would like to have us do this repair for you, we do that for $39.95 plus part costs.

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.

Feel free to contact me directly (and please remind me of your model number) for more information & help.

We're happy to help you with free advice and we'd appreciate your thoughtful rating of our answer.

William E. Miller, AS-EET
[email protected]
http://www.microwavedisplay.com

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Most likely a shorted capacitor is causing the fuse to blow. Easy and cheap to fix.
Check with www.martinmicrowave.com or call toll free 1-877-894-0035 for parts info

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1 Answer

Blowing fuses


[double post]

If it went dead almost immediately after pressing the Start pad, that's usually a shorted high-voltage capacitor.

If it went dead a few seconds after pressing the Start pad, that's usually a failing high-voltage transformer.

You can usually find helpful exploded view diagrams and order parts by entering your full model number here: http://tinyurl.com/gv383

There should also 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.

But I would wait until the authorized servicer gets there (or take it to them) to maintain your warranty.

We're happy to help and we appreciate your thoughtful rating of our answer.

Jul 02, 2008 | Maytag MMV5207A Microwave Oven

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