![]() In this case, the meter should read infinity, no matter what the polarity. Here, make sure you are careful not to touch the meter leads as this can result in wrong readings. After doing so, check the reading from the terminals of the magnetron to the metal magnetron housing. In this test, you will need to set the meter to the highest resistance scale. This is another test that can guarantee whether your magnetron needs replaced or not. If not, then your magnetron may be defective and you may need to get it replaced Image Credits: Wikimedia Commons 2. The reading of the ohmmeter should be less than one ohm which means that the magnetron filament resistance should be less than one ohm. Now in either direction, check the resistance from one terminal to another. Now take an ohmmeter and set it to the lowest resistance scale. Remove all the leads from the terminals of the magnetron and do not forget which wire was where. Test 1įirstly, unplug the microwave and discharge all the high voltage capacitors. If you wish to find out whether it is working fine or whether it needs replacement, you can go through the following 2 tests for microwave magnetron replacement: 1. In some cases, the magnetron may not be in the condition to be repaired and may have to be replaced. If you are someone who is facing problems with the microwave then one possible cause could be issues with the magnetron. The magnetron makes use of strong permanent magnets and also has a half wave voltage doubler circuit which oscillates and produces a cooking frequency of about 2450 MHz and thus converts 60 Hz supply voltage into usable microwave energy. It performs the function of a radio transmitter which produces RF energy and puts this energy into the cooking cavity of the appliance. The basic function of a magnetron is to produce the heat and energy which cooks or heats food inside a microwave. ![]() Thus a case of microwave magnetron replacement becomes important in certain cases. It won’t be wrong to say just like the microwave is the heart of the kitchen the magnetron is the heart of a microwave.
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