The microwave will come on but not heat - Frigidaire FMT148GP Microwave Oven

read this!


https://www.ifixit.com/Answers/View/285420/Daewoo+microwave+shines+but+does+not+heat

Time for a new microwave.

Timer working but not heating - Microwave - iFixit

https://www.ifixit.com/Answers/.../Timer+working+but+not+heating

iFixitMy fridgadire microwave oven is not heating, it acts like it is heating by the timerworking and .... I have a GE Profile and everything worked but it would not heat.

Microwave Not Heating Troubleshooting Guide - YouTube

? 2:45
https://www.youtube.com/watch?v=_3SbJueEn1w
Aug 31, 2012 - Uploaded by Repair.com
If the water is not consistently warm, you've confirmed there's a problem. ..... Everything works except the microwave- it wontheat anything up. ... How to Fix a Microwave Oven - Simple Fuse Replacement - Duration: 18:04. by

When it did heat food before and you used the same settings now, the microwave must be defect.
But before you are sure, put a cup with water in the micro and try to heat that.
Dry food can't be heated in a microwave. There must be some moist in the food if you want to heat it in the microwave.

hELLO THERE
when a microwave quits heating but every thing else is ok normally
investigate these 4 areas

Investigate these three areas if your microwave won't heat but you hear a loud buzzing or humming noise:
Power Diode

A diode is an electronic component that readily passes current in one direction only and blocks the flow of current in the opposing direction. If your microwave's diode has become defective, your microwave will not heat and you will hear a buzzing noise. Test the diode to determine if this is the cause of your problem. Replace it if it is defective.

• How to test a microwave diode.
• How to replace a microwave diode.



• 
  

High Voltage Capacitor

A capacitor is an electrical device which stores electricity. A defective capacitor may be why your microwave is not heating but you are hearing a buzzing or humming noise. The capacitor will have to be tested to determine if this is the cause of your problem. A defective capacitor will have to be replaced before your microwave will work again. Make sure you discharge the capacitor before you test it, though.

• How to test a microwave capacitor.
• How to replace a microwave capacitor.



• 
  

Magnetron

A defective magnetron is the third possible cause of why your microwave is not heating, but you can hear a buzzing noise. Test your microwave's magnetron. Replace it if it is defective.

• How to test a microwave magnetron.
• How to replace a microwave magnetron.

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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Sounds like the Magnetron has stopped working. The Magnetron is is a specially designed powerful magnet that generates the high frequency microwave energy used to heat food.

I have a GE Profile Spacemaker model JVM3670WF001, purchased I think in 2003. Pop sound, no Heat. Light goes on, carousel goes around,
Repair or new microwave

There are three solutions (source) =>

http://www.partselect.com/repair.aspx?appliance=microwave&part=no-heat

Power Diode

A diode is an electronic component that readily passes current in one direction only and blocks the flow of current in the opposing direction. If your microwave's diode has become defective, your microwave will not heat and you will hear a buzzing noise. Test the diode to determine if this is the cause of your problem. Replace it if it is defective.

High Voltage Capacitor

A capacitor is an electrical device which stores electricity. A defective capacitor may be why your microwave is not heating but you are hearing a buzzing or humming noise. The capacitor will have to be tested to determine if this is the cause of your problem. A defective capacitor will have to be replaced before your microwave will work again. Make sure you discharge the capacitor before you test it, though.

Magnetron




A defective magnetron is the third possible cause of why your microwave is not heating, but you can hear a buzzing noise. Test your microwave's magnetron. Replace it if it is defective.

have a GE xl1800 microwave that is not heating the food. The lights work, turntable turns etc. all but no heat. Help this microwave is only 1 years old.