Question about Frigidaire GLMV168K Microwave Oven

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Frigidaire GLMV168CS1 Over the Range Microwave loses power

Sometimes after the start button is pressed or a preset cook button is pressed, the microwave runs for a few seconds and then cuts off and the display goes blank. I then have to reset the clock and date. Press a preset button or start button to start again and it may happen again or the microwave may work fine. Sometimes have to go through this 3 or 4 times before it works as it should. It heats fine when it doesn't stop. Otherwise, everything works great. It is about 4 1/2 years old. Thanks for any help.

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  • sailaway58 Feb 15, 2009

    I have the same problem and the thing had done it off and one for a long time. It now wont cook at all.
    I cannot find an answer and if I buy a new one it will not be a Frigidaire if I can't fix this problem


  • William Miller
    William Miller May 11, 2010

    This may be a bad connection or it may be a bad magnetron generating electrical interference that is disrupting and resetting the controller.

    One way you or someone you know can test it is to do the following:

    1. Unplug the microwave or turn off its breaker.
    2. Open the control panel as shown in the video at http://www.microwavedisplay.com and swing it down, but without disconnecting the wires.
    3. Plug the microwave back in.
    4. Put a few cups worth of water in a microwave-safe container and place it inside the microwave.
    5. Run the microwave for about 1 minute or so on full power.
    6. If it does not fail, try it several more times. When the water boils, change the water and try again.

    If
    it still does not fail, I would recommend that you put it all back
    together and keep using it until it fails more consistently, then
    repeat this test.

    While a microwave should never be left
    unattended, it's even more important when one is exhibiting a failure or any odd behavior.
    So play it safe and stay with it while it's running.


    Let us know what you find out.


×

2 Suggested Answers

MicrowaveSvc
  • 8820 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

MicrowaveSvc
  • 8820 Answers

SOURCE: I have a Frigidaire Gallery

Unless you've had the magnetron replaced recently, I'd say you have a bad connection on the control panel / circuit board.

We repair these for customers nationwide with our guaranteed $39.95 service.

We have full details, plus critical safety, disassembly, and troubleshooting info at our site. You'll find a link to our site in our listing here on FixYa: http://tinyurl.com/yzjozk

Please feel free to contact me directly if you need more help.

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

William E. Miller, AS-EET
prototech@usa.net
http://www.microwavedisplay.com

Posted on Jun 08, 2008

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It sounds like a fuse. With the door fuse blown it will cause the microwave to not operate all all. It is a small thing to swap over. Its a bit like a car fuse. There will be a few different ones but all have a different purpose. Not sure if you are handy or a local electrical handyman can do the job.

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Unit fails when attempting to cook.


see the steps and fix it. God bless you

  1. Main control boardIf your microwave runs for a few seconds and stops, the first thing to check is the main control board to ensure that a shortage has not occurred. If the part is defective then it will need to be replaced to prevent continual shut offs. If this is not the issue, the next step would be to check for a faulty touchpad.
  2. Touchpad/Control panelIf the control board is not the issue and your microwave continues to shut off after running for only a few seconds, the next thing to check is your touchpad, which is also known as a control panel. Although uncommon for this issue, symptoms are usually that the display and some buttons are working properly; however, when selected some buttons are not functioning. If this is the case the touchpad will need to be replaced.

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Unit cuts off


see this steps and fix it. God bless you

  1. Main control boardIf your microwave runs for a few seconds and stops, the first thing to check is the main control board to ensure that a shortage has not occurred. If the part is defective then it will need to be replaced to prevent continual shut offs. If this is not the issue, the next step would be to check for a faulty touchpad.
  2. Touchpad/Control panelIf the control board is not the issue and your microwave continues to shut off after running for only a few seconds, the next thing to check is your touchpad, which is also known as a control panel. Although uncommon for this issue, symptoms are usually that the display and some buttons are working properly; however, when selected some buttons are not functioning. If this is the case the touchpad will need to be replaced.

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GE spacemaker microwave turns off during cooking and display goes black


Step 1:


Door Switch




If the microwave runs for a few seconds and then shuts off, a door switch might have failed intermittently. Check each of the door switches for any signs of overheating, arcing, or burning. Also check each of them for continuity. Replace any of the switches that is visibly damaged or that only has continuity intermittently


mwswitchtest2.jpg

Step 2:

Main Control Board




If the microwave runs for a few seconds and stops there may be a short circuit in the main control board. Check other components first, these boards are often misdiagnosed.


Touchpad and Control Panel




If the microwave runs for a few seconds and stops the touchpad and control panel might be defective. There are several other components that can cause this problem, be sure to check any other components before replacing this board.

Touchpad




If the microwave runs for a few seconds and stops the touchpad might be at fault. This is not common. Generally speaking, if the microwave display is working and some of the buttons respond correctly but some don't, the problem is with the touchpad.

High Voltage Transformer




If the microwave runs for a few seconds and stops the high voltage transformer might have an intermittent short. This is not common. Check other components related to the microwave symptom first.

Thermostat




If the microwave runs for a few seconds and stops the thermostat might be defective. Watch our video on testing thermostat

Step 3:

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Step 4:

2_8_2013_11_36_20_am.jpg

Step 5:

2_8_2013_11_37_03_am.jpg

Step 6:

use the DVOM tester and fix it. God bless you

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


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