Question about Maytag Over-the-Range Microwave

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Microwave suddenly appeared to lose all power. After an undetermined amount of time, the power would be restored but this process would continue sporaticly. I checked the electric and the connection is good as well as the main fuse. Could the problem be a fuse within the microwave?

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6 Suggested Answers

6ya6ya
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Posted on Jan 02, 2017

fridgetech
  • 473 Answers

SOURCE: Matag Microwave MMV5100AAB

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

MicrowaveSvc
  • 9047 Answers

SOURCE: magicchef over the range microwave loses display and power

It sounds like your magnetron is overheating and its thermostat is resetting.

Try it with a cup of water in one corner and see if that helps.

Otherwise, most manufacturers have a warranty of several years on the magnetron.

For info on that, visit http://www.magicchef.com/home.jsp

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

Posted on Dec 08, 2007

sharcnet
  • 2130 Answers

SOURCE: My Touch pad does not work, can someone help?

It sounds like the keypad is worn out. The fact that you can get them to work sometimes by what direction you push on them, tells me that the contacts are not working correctly.

Did you have this problem prior to the fuse blowing or did it start after you replaced the fuse?

I don't believe the fuse blowing is related to the keypad problem. I also don't believe that you have a microprocessor problem because you say that the function buttons work but the number keys don't work right. If the microprocessor was faulty, it would not be able to read any of the keys.

The fact that the number keys are not working doesn't surprise me. When you go to cook something, you will press the number keys several times, while only pressing start or stop once. This is why your number keys have worn out first. These keys have a limited number of cycles (presses) and it sounds like its time for a new keypad.

Please let me know if I can be of further assistance to you.

Good Luck!

- Jim

Posted on Feb 21, 2008

  • 1 Answer

SOURCE: Maytag MMV4205AA - Just went dead

It is a thermal fuse Ijust don't know where it is located

Posted on Oct 02, 2008

MicrowaveSvc
  • 9047 Answers

SOURCE: GE Microwave JVM1851Sh06

That would most likely be a shorted high voltage capacitor but it may be a shorted high voltage transformer, or possibly a magnetron whose filament is shorted to the case.

Some Samsung / GE's normally have a delay of about 2 seconds from the time you press Start to the time the high voltage section gets powered up.

It happens in about 2-3 seconds after Start, I would suspect the capacitor.

If you or someone you know decide to look into it, we have critical safety information and disassembly information at our site, and our link is at our listing here on FixYa.

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.

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:

http://www.gallawa.com/microtech/cap_test.html
http://www.gallawa.com/microtech/xformer.html
http://www.gallawa.com/microtech/mag_test.html

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

Posted on Dec 26, 2008

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2 Answers

My microwave continues to run 2-3 seconds after cook time. It doesn't seem normal but it works fine otherwise


Microwaves are cheap, if you are worried replace it, With what i k now about electronic clocks I am willing to bet it's not a safety issue.

If you want to be sure you could measure the amount of current it is drawing from the outlet and compare this with the specifications on the back of the microwave. Either get a "kill-a-watt" device, a multimeter with a current probe, or if it draws less than ten amps according to the sticker on the back you could use a regular multimeter to measure the current by hooking it up in series. The "kill-a-watt" is a brand name for a device that plugs into the outlet and then you would plug the microwave into. It will measure the amount of electricity it uses and display it on a screen. This device or the current probe would be the safest as you don't touch the wires. Hooking up the multimeter in series requires splicing wires.

Apr 04, 2015 | Microwave Ovens

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Why would the microwave keep running if we just close the door and no time is set?


Good Afternoon Friend,

I understand that your Frigidaire microwave continues to run, when you close the door and no time is set. I suggest resetting your appliance, by either unplugging it or shutting the power off at your home's circuit breaker, for 3-5 minutes. Restore power. You might need to set your clock before doing anything else. Put a cup of water inside your appliance and try to heat it up. If you are still noticing your microwave continuing to run, even after no time is set, I suggest contacting your local authorized technician. Hope this is helpful.

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May 30, 2014 | Frigidaire Microwave Ovens

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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.

Nov 23, 2010 | Neff H5470N0GB Microwave Oven

1 Answer

Microwave will appear to lose power (display goes dark; internal light goes dark) intermittently and inconsistently upon opening the door. Seems to be especially likely when oven has not been touched for a...


You probably have a bad connection either on the control circuit board (which we repair), the line filter board, or one of the thermostats.

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.

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.

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

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

Nov 20, 2010 | KitchenAid KHMS2056SSS Microwave Oven

1 Answer

Frigidaire GLMV168CS1 Microwave - Sensor Error


If you are handy take it apart. Somewhere inside is a small switch that the door activates. Switch might be broken or a small plastic actuator might be broken. What do you have to lose at this point except time?

Jan 09, 2009 | Microwave Ovens

1 Answer

Does a microwave lose cooking power over time? having a problem cooking popcorn. whirlpool built in unit 18 yrs old. takes 4-5 min on high and cant cook most of it. more time just burs popcorn. i believe...


Yes. As the magnetron (The microwave generator) ages with use it becomes less efficient. As such it produces less powerful microwaves and loses penetrating power:::Spiceweasel.au

Apr 04, 2008 | Microwave Ovens

1 Answer

Magicchef over the range microwave loses display and power


It sounds like your magnetron is overheating and its thermostat is resetting.

Try it with a cup of water in one corner and see if that helps.

Otherwise, most manufacturers have a warranty of several years on the magnetron.

For info on that, visit http://www.magicchef.com/home.jsp

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

Dec 07, 2007 | Microwave Ovens

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