Question about Frigidaire FMT148GP Microwave Oven

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Microwave runs but is not heating up / cooking

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Hi,


Here is a tip that will help you to figure out what is wrong with your Microwave Oven....

Basic Microwave Oven Troubleshooting Tips

heatman101


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Posted on Feb 25, 2011

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Posted on Jan 02, 2017

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1 Answer

Microwave timer works but will motor will not run/cook.


If everything works on the unit, but you do not receive any heat or possibly the turntable does not turn you have a faulty magnetron (controls heat) and a faulty motor (controls turntable). You would require service on the unit, if parts are available. Some microwaves are so small in cubic foot size, that manufacturer's do not have parts available for purchase/repairs.

Dec 24, 2012 | Frigidaire FMV156DC Microwave Oven

1 Answer

Microwave wont heat up food


If your microwave runs, but doesn'theat your food, verify that you have selected a cooking setting. You mayaccidentally set the timer. Test the magnetron by placing 1 cup of water in themicrowave and heating the water for three minutes. If the water doesn't heat,your magnetron is dead.

Mar 08, 2012 | Sanyo Microwave Ovens

1 Answer

Not heating


Hello


Power Supply

Check whether there is a proper power supply. Look to see whether the cord is connected to a grounded 3-prong outlet and the cord is fully plugged in. If the electrical system is built-in and no power cord is visible, replace or reset the household fuse or circuit breaker.

Microwave Functions

Some basic microwave operational steps may affect whether the microwave is heating. Open and close the microwave door, as the unit will not function with the door open, and push "Stop/Clear" to cancel any previous settings, such as the timer, which do not heat the microwave oven.

Setting the Microwave

Once the power to the microwave has been reset, or verified as working, and the microwave is ready to run, select a new cook cycle and press "Start" to see if the microwave begins to run and cook food as expected. Allow the food to cook for the alloted time and then open the microwave door and check to see if the food has cooked or heated. Choose a longer cooking time and restart the microwave if food is heating but is cooking slowly.

Repair

If all efforts to troubleshoot the function and power to the microwave still do not get the appliance heating food as expected, there may be a repair issue that needs to be addressed. Contact professional technician for advice.

Oct 05, 2011 | Sanyo Microwave Ovens

1 Answer

Microwave runs but does not heat or cook food



If a Goldstar, LG or Zenith MV1610 or MV1608 is running but not seeming to heat a load placed in center of turntable, its probably because the "stirrer" intended to spread microwaves generated by the magnetron around the cook chamber is stuck so that most all the heating is directed toward the back and top rather than the center of the cook chamber. This usually occurs after cooking for longer than a minute with no load in the cook chamber - as when a model w/o a timer (such as a MV1608) is intentionally operated in cook mode to serve as a kitchen timer, or when a model with a timer function (such a MV1610) is accidentally operated for longer than a minute w/o any load. Before assuming the magnetron (usually warranted for 5, 8 or even 10 years) or other high voltage component such as diode or capacitor needs to be replaced, try “cooking” a 16 oz pyrex cup of water at full power on the outer edge of the turntable for 2-3 minutes - which usually reactivates the "stirrer" and restores normal cooking function.

Jan 18, 2010 | LG Microwave Ovens

2 Answers

Microwave seems to run, but won't heat.


We have a similar problem! It sounds like a problem with the microswitch inside the unit that the door is suppose to engage when closed. If not engaged properly, it will not cook. We had the switch replaced last March but it has started acting up again. We can press in on the door and/or lift it slightly and it will cook. Try putting time on the counter and hit start. It the word "cook" appears then try moving the door slightly and see if the turntable starts turning. If not, then you may have a more serious problem. Good luck!

Oct 09, 2009 | Frigidaire FMV156DC Microwave Oven

1 Answer

Microwave still runs but is not cooking food


Sounds like a bad magnetron, i would replace the magnetron, Capacitor and Diode at the mag assembly, to be honest it will cost you more to fix than a new one.............

Sep 10, 2009 | Magic Chef CMV1000B Microwave Oven

1 Answer

Oven part works fine, microwave runs but doesnt heat


bad micro switch in door handle, 79.95 for GE man to check,9.61 for the part and changed it myself

Apr 15, 2009 | GE Advantium SCA2000B Microwave Oven

1 Answer

Quit heating


This is a sure sign that the Magnatron has burnt out and needs replaced ( This is what cooks the food!) Replace magnatron in oven unit and all should work well!
Please rate my response!
THANK YOU!

Jan 11, 2009 | GE Spacemaker JVM1640SJ Microwave Oven

1 Answer

GH7145XFB-1 not heating properly


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

Nov 16, 2007 | Whirlpool GH7145XF Microwave Oven

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