Question about Emerson MW8119SB Microwave Oven

1 Answer

When cooking a frozen dinner for 5 minutes at full power, everything is fine. When cooking a second frozen dinner for 3 minutes immediately following the first one, the microwave goes into the 70% co

I have tried pressing the stop and power level buttons to clear the power level back to 100% (default setting) and the problem persists

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  • jamesjjv Nov 25, 2014

    my question was cut short. I meant to say it goes into 70% power setting on its own

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  • Expert
  • 75 Answers

Your circuit board has a small chip in it that allows the settings to be changed. The chip has gone bad. Usually any good electronics repair person can fix the problem. Ask your local dealer for a reference.

Posted on Nov 26, 2014

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Posted on Jan 02, 2017

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MicrowaveSvc
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SOURCE: I have Emerson Microwave #mw8999sv which has the

The owner's manual is here. On page 10 we find:

COOKING IN ONE STAGE
1. Press the POWER button; the Microwave and High
Cook indicators will light and “PL 10” will light in the
display.
2. Press the POWER button different times to set the
desired power; the display will show the percentage
you chose. If selecting power level 70%-10%, the
Low Cook indicator will light instead of the High
Cook indicator.
3. Press number keys to set the desired cooking time.
OPERATION(CONTINUED)
4. Press the START/+30SEC. button to start cooking;
the Microwave and one of the Cook indicators will
blink and the display will countdown the remaining
cooking time in minutes and seconds. It will beep
five times when cooking is completed.

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


Posted on Sep 12, 2009

Testimonial: "Thank you for finding the instruction manual for me. I now can set whatever time I wish on my microwave!"

  • 3 Answers

SOURCE: Emerson microwave, #MW8119SB, push start button to start cooking

Replace the fuse with a ceramic fuse from Home depot! costs less than $3 and it will fix the problem. I had all the same problems as everyone else, you name it my microwave had it! you must remember replace it with a ceramic fuse! not a glass one. I know people say its the switchboard and all that nonsence but I promise you, the fuse plays a majoe roll in the microwave not working properly. Even though it doesnt look broken, a junky fuse can cause your appliance to do very strange things. I replaced mine 6 months ago and it works like its fresh out of the box.

Posted on Apr 29, 2009

MicrowaveSvc
  • 9085 Answers

SOURCE: setting time

Sounds like a keypad problem. A bad keypad may be worn out due to age, damaged, or it may have gotten wet or otherwise contaminated. Moisture and contamination can be caused by not using the fan when boiling on the stove top (for over the range models), direct spraying of cleaners, by storing the microwave in an unheated garage or shed, or infestation. I warn my customers to never spray cleaner directly onto the microwave keypad, since the liquid can get inside and "lock up" or even ruin the keypad or controller. Apply an alcohol-based cleaner (such as the purple kind) to a cloth (since paper towels can scratch) and gently wipe it off. I suggest to my customers that they NEVER use any ammonia-based cleaner (like the blue stuff) on a microwave, since the ammonia will crack and distort polycarbonate plastics. If you think you or a friend may want to take a look, please reply here and I can follow up with more targeted information.

Posted on May 25, 2007

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1 Answer

I am cooking a roast beef dinner for Christmas I bought a 13lb chuck boneless and I need to know how long to cook in in a traditional oven.


5 After browning the roast at a 500°F temperature in the oven for 15 minutes, reduce the oven temperature to 325°F. To figure out the total cooking time, allow about 11-12 minutes per pound for rare and 13-15 minutes per pound for medium rare.

Really, you need a probe thermometer. Leave it to rest for 15 minutes after you take it out of the oven, loosely tented with foil. I am a chef!


how long to cook Google Search

Dec 24, 2016 | In Microwave Ovens

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WMH1163XVD seems to no be on full power. Takes 1 minute to heat up a piece of bacon


1 minute to cook a piece of bacon sounds pretty fast, really.

Try this:

MICROWAVE HEATING POWER TEST


The following test will provide a suitably accurate measurement of the output power of any microwave oven. Variations or errors in performing this test will produce uncertain results. If the line voltage (from the electrical outlet) is low, the magnetron output will be correspondingly low.

Equipment needed:

- Microwave safe container with 1000 mL (1 Liter) gradation.

- Fahrenheit or centigrade thermometer

Procedure:

Pour exactly 1000 mL (1 Liter) of cool tap water into the container. Using the thermometer, stir the water, then measure and record the temperature. For accurate results the water should be about 60 degrees F (20 degrees C).

Place the container on the center of the oven cooking shelf (do not leave the thermometer in the container and remove any metal racks), and heat the water (at full power) for 63 seconds. Use the second hand of a watch, not the oven timer.

After the heating time is completed, immediately remove the container, stir the water, re-measure and record the temperature of the heated water.

Subtract the starting water temperature (step 2) from the ending water temperature (step 3) to obtain the temperature rise.

To determine the output power in watts, multiply the total temperature rise by a factor of 38.75 if you're using a Fahrenheit thermometer or by 70 if you're using a centigrade thermometer.

If the oven is grossly underheating or overheating, then you probably have a bad magnetron.

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.

mini_manual_behind_grille_small.jpgdee77f7.jpgAt 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 helpful exploded view diagrams and order parts by entering your full model number from the tag on the oven here.

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

Jul 18, 2011 | Whirlpool WMH1163XVS Microwave Oven

1 Answer

Low power when cooking. Takes twice as long to cook a frozen dinner as what the package states


Check the power output. Most are adjustable. With the microwave on, and cooking something, see if it is on 100%. If not, adjust it with the keypad.
Regards, --W/D--

Aug 01, 2009 | Magic Chef Microwave Ovens

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I have a new microwave oven Model JVM1750SM1SS. Does this model allow me to use seconds rather than minutes. For instance can I place a frozen dinner roll in the oven for twenty seconds?


It should. Normally to cook 20 seconds you would pres COOK TIME - 2 - 0 - START.

You can download your owner's manual free.

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

Jul 12, 2008 | GE Microwave Ovens

1 Answer

Microwave re-started


The Start pad on the keypad may be starting to short. If so, a new keypad (membrane switch) would fix it.

If you might want to replace it yourself, I have uploaded a handy guide with pictures showing you what's typically involved. It's at
http://www.microwavedisplay.com/keypad_replacement.pdf

We have critical safety, disassembly, and troubleshooting info at our site, and our link is at our listing here on FixYa: http://tinyurl.com/yzjozk

The part # needed is A64795790AP "membrane switch" for $46.88 available here.

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

Jun 07, 2008 | Microwave Ovens

1 Answer

Microwave Oven Panasonic NN-5560A


Chances are your Start key on your keypad has failed.

If you might want to replace it yourself, I have uploaded a handy guide with pictures showing you what's typically involved. It's at
http://www.microwavedisplay.com/keypad_replacement.pdf

We have critical safety, disassembly, and troubleshooting info at our site, and our link is at our listing here on FixYa: http://tinyurl.com/yzjozk

It is part # A64795790AP "MEMBRANE SWITCH", it runs $46.88 and you can find it here:

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

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

Jun 03, 2008 | Microwave Ovens

1 Answer

Sanyo microwave EMS667W, diff high power ratings


A couple of things: If the dinner is in an aluminum pan, DON'T put it in your oven. Typically, high power units need about 3-5 minutes to heat a dinner so you should have heated it through. The power default is usually full power. Usually, there is a minutes button that should give you incremental minutes for programming.

Try using a standard nonmetallic cup (beaker) and fill it with water. Heat for 2 minutes. The water should be boiling hot. If not, your oven is not doing it right.

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Maytag MMV5165BA Over The Range Microwave


We had this problem. It was installed improperly - to recirculate instead of to vent.

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