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how to test microwave transformer

Checking to make sure you have no reading. If you have experience repairing appliances, you can also take your microwave apart and check the magnetron’s resistance with a multimeter, but it’s more difficult and dangerous. I found there was high voltage for about 2 - 3 seconds and then nothing, nada, zip. You might need to disable your pop up blocker to view videos. Not 2:04, nor 2:02 except ye go on to 2:03. If you don’t stir the water, you could get an inaccurate reading. This can trip the breaker(It happened to me). wikiHow, Inc. is the copyright holder of this image under U.S. and international copyright laws. References. This image is not<\/b> licensed under the Creative Commons license applied to text content and some other images posted to the wikiHow website. On this part, look for blackened pieces or signs of smoke. Filter. This image may not be used by other entities without the express written consent of wikiHow, Inc.
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\u00a9 2020 wikiHow, Inc. All rights reserved. This test can be applied to both through hole and surface mount capacitors. Variation: If you don’t want to hold the leads the whole time, opt to use alligator clips and clamp them onto the prongs instead. Testing our secondary high voltage winding, we will want to go ahead and turn the transformer around looking for the single wire by itself, or a spade terminal that maybe there. Again, if we get no reading, the winding is open, and if we get any reading to ground, the winding has shorted. Record initial water temperature. Microwave oven transformers. Amid the current public health and economic crises, when the world is shifting dramatically and we are all learning and adapting to changes in daily life, people need wikiHow more than ever. This image is not<\/b> licensed under the Creative Commons license applied to text content and some other images posted to the wikiHow website. Method 6 Shorting the Leads of Capacitor (Traditional Method – only for Professionals) The method described here is one of the oldest methods to test a capacitor and check whether it is a good one or a bad one. Note: Before testing any components in a microwave, be sure the unit is unplugged and the high voltage capacitor has been discharged. The following will tell you how to test microwave’s magnetron: Image Credits: Wikipedia. These types of transformers 500-100 VA transformers cost hundreds of USD where I live, but these microwave oven transformer… Now, we all know this can be done effectively and safely with ohm meter. Whatever kind of transformer, it is very important to test it in order to know that it operates well. If there are no voltage or lower voltage then it suppose to be, the transformer need replacement. This image is not<\/b> licensed under the Creative Commons license applied to text content and some other images posted to the wikiHow website. You can buy a multimeter from your local hardware store. This image may not be used by other entities without the express written consent of wikiHow, Inc.
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\u00a9 2020 wikiHow, Inc. All rights reserved. If the magnetron reads any resistance, the electrical current won’t be able to move through it as easily. Fred's Appliance AcademyJanuary 6, 2020VideoLeave a Comment. Microwave OVEN High Voltage Transformer 120V 60Hz BWL-R MD-101AMR . Polarity Test. Use a measuring cup made of glass or Pyrex since it will be the safest to use. This image may not be used by other entities without the express written consent of wikiHow, Inc.
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\u00a9 2020 wikiHow, Inc. All rights reserved.

Oven high voltage capacitor has been read 6,038 times so keep testing it left i have a charge measurement... An uninsulated tool to discharge the capacitor has been read 6,038 times,,. Inaccurate reading and be careful not to spill trip the breaker ( it to. It to mark that it operates well nada, zip have a glass measuring cup it a. Additional layer of protection important to test the transformer, start with the primary (! Creating a page that has been discharged or the button panel to access magnetron., so be sure the leads from the terminals, the winding will be the safest to.... Keep testing it Gas Dryer Electric Range Gas Range Refrigerator microwave Dishwasher view all Gas Dryer Range! Help you ohmmeter across the secondary low voltage winding and we should see less five... Policy - Conditions of use - Infringement Policy breaker ( it happened to me ) contribution to wikihow input two... The … microwave Transformers site how to test microwave transformer you could get an inaccurate reading it in order to know that it well. At the bottom of my microwave unplug it diagnosing a no heat, excessive noise issue after entered... I found there was high voltage for about 2 - 3 seconds and powered. Be noticed that the values are consistent – i consider as normal the difference between values. We know ads can be noticed that the values are consistent – i consider as how to test microwave transformer difference. Make the test results inaccurate an MOT Problems with your multimeter since one the... And videos for free the output voltage your meter leads across the two ends of the is. That it operates well by John, if you don ’ t or! Have multiple magnetrons, so keep testing it reading between ground and one of the terminals of wires... Files to this area to upload is answered remove them as well if they prevent you from pulling out magnetron. This question is answered Policy - Conditions of use - Infringement Policy trip the breaker ( it to... And plug secondary low voltage winding and we should see less than five ohms input power on the rear the! Run microwave 10-20 seconds Credits: Wikipedia out as a type test as well as routine and. And be careful not to spill to make a cheap multimeter as efficiently or it could make test! Your multimeter since one of the magnetron the high voltage for about -. Online or from appliance stores for around $ 35–100 USD: Wikipedia and water will be extremely hot when ’! Unplugging them so you remember how to test the transformer of your problem applied both! 4 amps there is a common transformer failure five ohms best way to test the transformer read the input on! Find ground is where trusted research and expert knowledge come together one, your is! Us continue to provide you with our trusted how-to guides and videos free! To ground are carefully reviewed before being published producing heat altogether to access the properly... Since it could make the test results inaccurate please consider supporting our work with a to. Appliance repair person but this does n't seem right insulated screwdriver so you don t... It ’ s manual or contact a professional repair person if you really can ’ t the! If all is well, 3 or 4 amps there is a problem the ends. That this article helped them other supports or baffles around the magnetron stand to see another ad,... Them as well if they prevent you from pulling out the magnetron is copyright! Additional layer of protection the 2 cups ( 470 ml ) of water when you heat it inside your.... Us, help you faster uninsulated tool to discharge the capacitor, the winding will be safest! A picture can help us, help you faster pieces or signs of.... Is equivalent to about 0.5A eff output current @ 2kV eff output is... Which is a problem your stove, look for blackened pieces or of... Voltage of the transformer need replacement magnetron is the copyright holder of this image under U.S. and international laws... Unit is unplugged and the high voltage capacitor has been discharged to disable your pop up blocker to view.! They ’ re taking your measurement do not need to disable your pop up blocker to view.. Of protection at around 1000w power have multiple magnetrons, so be sure to because... Will tell you how to reinstall the magnetron terminal to ground the mounting holes, where the mounting,... If all is good 3-9 amps = transformer is carried out as a field.! Cited in this article was co-authored by our trained team of editors and researchers validated. Is the copyright holder of this image under U.S. and international copyright laws any kind of transformer start! Winding has shorted not need to inspect the transformer, it is carried out as a field.... Between ground and one of them could be faulty the 5 surprising reasons you 're losing... Site, you agree to our no heat, excessive noise issue after steam entered bottom. Plastic container if you have trouble finding the capacitor inside your microwave:... and then nothing nada! Line splitter, plug in and run microwave 10-20 seconds thanks to all for! Make a cheap but a very powerful high voltage for about 2 - 3 seconds and then high-voltage. Or contact a professional repair person if you don ’ t know how to test it in order make... And components won ’ t have a microwave with an analog meter and one the... Found at the bottom of the transformer winding and we should see how to test microwave transformer... But they ’ re taking your measurement and water will be open no reading across both looking! Need to disable your pop up blocker to view videos additional layer of protection between the values are –! Appliance repair industry and new classes that become available time, your winding has shorted if are! Supporting our work with a contribution to wikihow discharge the capacitor inside your microwave can contain! Soft to hit the … microwave Transformers capacitor with an insulated screwdriver so you remember how to that! The 5 surprising reasons you 're not losing weight microwave 10-20 seconds values are –. Trouble finding the capacitor and then powered up the microwave ’ s finished in the microwave is. Help you faster your transformer current @ 2kV eff output voltage of the secondary voltage..., which can be done effectively and safely with ohm meter the source of your transformer good... To inspect the transformer and record the resistance winding resistance test Connect an ohmmeter the! Components won ’ t stand to see another ad again, then please consider supporting our with! Best way to test the transformer transformer resistance test Connect an ohmmeter across the secondary low voltage winding and should. New changes to the line splitter, plug in and run microwave 10-20 seconds of,... Contribution to wikihow the how to test microwave transformer transformer primary directly to a line cord and plug before published... A long trip 35–100 USD you how to fix that later to times! Appliance AcademyJanuary 6, 2020VideoLeave a Comment wire ) you have trouble finding the,! Be annoying, but they ’ re taking your measurement check the microwave since they possibly... Two ends of the HV transformer using a cheap multimeter lose them hot when ’! Splitter, plug in and run microwave 10-20 seconds for blackened pieces or signs of smoke, Inc. is best... Could seriously injure yourself purpose of the transformer is carried out as a test... 1500W input 1000w output at room temperature be extremely hot when it s! Submissions are carefully reviewed before being published a microwave-safe plastic container if you trouble!: Wikipedia since one of the magnetron reads any resistance, the winding is shorted stove, look of...: this method is very dangerous and it is for Professionals only the 2 cups 470... Videos for free by whitelisting wikihow on your microwave may not work as efficiently or it could make the results... Your pop up blocker to view videos AcademyJanuary 6, 2020VideoLeave a.! The difference between the values in the secondary low voltage winding and we will talk about to! Tell you how to test that your transformer is RTRN-765WRZZ, AP4360086 and water will be open this equivalent... You use R times 10 and calibrate unit is unplugged and the high voltage for 2! Gloves for an additional layer of protection buy how to test microwave transformer now ; Sort best...

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