Question about Microwave Ovens

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Keypad on microwave wont work

My Whirlpool Microwave MH7100XYB0 suddenly stopped working.  The light in  the interior works, but the keys don't.  The word FAIL shows on the panel.  Nothing I press seems to work.  The clock and timer wont come back on.  I tried to unplug it and plug it back in and the word FAIL reappears.

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  • Nancydog Dec 28, 2007

    keypad on over the range microwave (Maytag) has been intermittent, but now no keys work.  I thought it might be the door latch involved, but that's not it.


    Thanks for any advice.

  • Anonymous Mar 13, 2014

    Light comes on but display panel only shows 88:88
    Cannot set clock, timer, etc. Does not work at all

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2 Answers

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  • Master
  • 473 Answers

TOUCH PANEL & MICROCOMPUTER BOARD TEST FOR WHIRLPOOL....

The microwave oven may be provided with a self diagnostic routine that can be operated

through the touch pad keyboard. To enter the self-diagnostic routine:

1.While pressing the CANCEL keypad:

a) Open the oven door.

b) Unplug the microwave oven for 2-seconds and plug it back in.

c) Release the CANCEL keypad and close the oven door. You will see the following display.

CHART

NOTE: The humidity sensor test results will appear on the display after 8-seconds.If the tests are successful, "OK " will be displayed. If one or more of the tests fail, "ERR " will be displayed.. 2.When a keypad is pressed, a number according to the test chart will be displayed. When no keypad is pressed, a blank "—" is displayed...

 

POWER FAILURE &FAILURE CODES

Power Failure: After a power failure, the WELCOME screen will be displayed.

F2 —Keyboard Failure: Refer to the Tech Sheet and conduct a touch panel continuity test.

F3H —Humidity Sensor Failure: Refer to the Tech Sheet and test the sensor.

F6 —Microwave Relay Failure: Check the microwave relay.

F7 —Microcomputer Board Failure: Change the microcomputer board.

Posted on Oct 18, 2007

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  • Microwave Ovens Master
  • 9,179 Answers

.
This may have already been dealt with, but others can benefit from an accurate, thoughtful reply to this problem.

Is it possible that some spray cleaner got into the controls?

I always recommend that users instead spray cleaner on a soft cloth then wipe the control panel.

Also, I always recommend non-ammonia cleaners since ammonia can crack and damage plastic.

Otherwise, the spray can get into the controls and lock it up or make it act odd.

If it does not dry out over time, it may need to be manually dried or blown out.

The keypad may be damaged or worn out, or control unit may be damaged.

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

Please write back with more details if you need further help.

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

Posted on Nov 26, 2007

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Posted on Jan 02, 2017

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I want whirlpool oven mechanic in kakinada


see the details and proceed according. fix it. God bless you
Main Control Board If the microwave buttons don't work the main control board is most likely defective and will need to be replaced.

Main Control Board If the microwave buttons don't work the main control board is most likely defective and will need to be replaced.

Main Control Board If the microwave buttons don't work the main control board is most likely defective and will need to be replaced.

Touchpad and Control Panel If the microwave buttons don't work the touchpad and control panel assembly are probably defective.


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Nov 15, 2012 | Whirlpool Microwave Ovens

1 Answer

MT4110RPQ-0 Built - in microwave in our Camper. (Serial FGR202317) Something happened and all of the sudden the microwave doesn't work at all. I do not know if buttons were pushed prior or not! Now...


Cdfacc, we're sorry to learn that your Microwave is not working. We'll be glad to further review your concerns. Please email your name, contact number, address, model and serial number to [email protected]

Oct 23, 2017 | Whirlpool Microwave Ovens

1 Answer

Microwave not working


It might be helpful to tell us the brand and model number, but I think I can answer this one either way.

This is usually caused by either a bad door switch, a loose door switch mount, or a problem on the control panel.

Even though a door switch clicks, it may still be bad inside. Its continuity must be checked.

Door switch or mount trouble can be caused by slamming the door or by opening the door while it's cooking without hitting the Stop pad first.

If you someone you know decide to look into it, we have critical information on safety, disassembly and door switches at our site, and our link is at our listing here on FixYa: http://tinyurl.com/yzjozk

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

If you think the problem is on the control panel, we repair these nationwide by mail for $39.95 postpaid in most cases.

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

Apr 11, 2008 | Microwave Ovens

1 Answer

Microwave not working


Generally, the most common causes of a failure to heat are:

- bad door switches or door switch mounts
- loose connection at the magnetron
- problem or loose conneciton on the control unit circuit board
- bad magnetron or other high voltage part

If you or a friend decide to look into it, we have critical safety information, info on door switch diagnosis and replacement, and disassembly information at our site, linked here on Fixya: http://tinyurl.com/yzjozk

There should be a very helpful "mini-manual" hidden inside the unit behind the control panel.

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

Nov 28, 2007 | Microwave Ovens

3 Answers

Microwave not working


Sounds like the control board is bad. With the cost of a new board it would be better to replace the microwave. When dealing with microwaves, they have very high voltage parts and only qualified technicians should check them. In most cases, with labor charges, they are too expensive to repair.

Oct 07, 2007 | Microwave Ovens

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