Microwave is not Heating Up

Microwave is not Heating Up Appliances Repair

Your microwave is a helpful device that makes cooking a lot easier.  It speeds up the process of defrosting, heating up, etc.  When your microwave begins to malfunction it can really make life difficult.  When your microwave stops heating, the entire device becomes useless. However, you should still try to fix it by first determining the problem. Below are a few possibilities for why your microwave is not heating up.

Magnetron Failed

A magnetron is the part of the microwave that actually produces the heat to warm your food.  This component is a major part of the microwave and actually makes up 95% of the cost of the entire oven. For this reason many people opt to simply replace the entire microwave rather than pay for a replacement part. The problem may also be that the circuit providing power for the magnetron is faulty and you will need to take it apart to find the problem. You will need a voltmeter to find exactly where the issue is.

High Voltage Capacitor Defective

The high voltage capacitor in your microwave oven could be defective, causing your microwave to stop heating properly. This part of the microwave store electricity. If this component is defective then not only will your microwave not heat but you will also hear a buzzing noise. You should replace this part if you want to fix the problem. Before you test to see if it is indeed the capacitor causing problems, you should discharge to avoid injury.

Diode Malfunctioning

A third possibility is that the power diode that passes current in one direction is malfunctioning.  You should test the diode to see if it is defective and replace it if it is.

Continuing Problems

If you continue to have problems with your microwave not heating you should seek professional help.  Use TalkLocal to be put in contact with reliable local businesses within minutes.  You don’t have to do any work! Simply input your problem and availability and TalkLocal will do the rest. Almost immediately you will be connected with someone who can help you out on the phone.

One Response to “Microwave is not Heating Up”

  1. I love the way you wrote this article. This is wonderful. I do hope you intend to write more of these types of articles. Thank you for this interesting content!

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