Microwave will not heat up

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

Time for a new microwave.

The logic chip is messed up... replace the whole circuit board

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.

Hi,
Here is a tip that will help you to figure out what is wrong with yourMicrowave Oven....

Basic Microwave Oven TroubleshootingTips

heatman101l;;'l';l

You cannot do that, it will overheat the unit, that fan does two things, it keeps everything cooler, and "Stirs" up the Microwave "Field". So it is essential for safe and efficient use.

Hi,
Here is a tip that will help you to figure out what is wrong with yourMicrowave Oven....

Microwave Oven Basic Troubleshooting Tips

heatman101
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Microwave ovens that do not heat, and failed as you have described, have 1 or more of the following failed components, in order of cost -

1) Fuse
2) Diode
3) Capacitor
4) Transformer
5) Magnetron

4 and 5 are interchangeable when it comes to cost.

Try replacing 1 and 2, then 3, then it's decision time of whether to buy parts or replace the microwave.

time for a new one. the microwave unit is dead, no the oven. the microwave unit is the heart of the oven. so, if that goes, everything else goes.

Check those three microswitches in the latch assembly.

The Microwave Magnetron or power circuit break down . You need to replacement the parts .
Good luck