I recently resurrected a dead G.E. Using … Scenario: You have determined that your microwave has live power running to it, but the display does not light up and the oven will not turn on.. The test should produce a reading of infinity - indicating an open circuit. The Right Parts for the Job . I understood that SHORTING OUT a capacitor can damage the insulating sheets within the device?? If the microwave oven has power going to it and it will not work, the fuse is the most likely part that has gone bad. You might also check the high voltage diode with an ohm, to determine if it has to be replaced. Place the rotating switch on 200V. - Answered by a verified Appliance Technician. Mine has 4 switches. There is high voltage fuse between transformer and magnetron. I used it maybe 30 times at best. If the fuse is blown, the microwave will not work until the fuse is … I fix microwaves for a living, they store over 4 thousand volts in the high voltage section, and if you don't know what you are doing, don't take the cover off.Yours could be one of several problems, if it programs and goes through all the motions but no heat,then you have some type of high voltage problem, that could be a bad high voltage transformer,capacitor,magnetron on rectifier.take it too a pro or have a pro come to your house.good luck, + like rj713 said "in complete agreement", 06/21/2011 by Terms — This part is responsible for storing heat in your microwave; if it’s not functioning, your microwave can’t produce enough heat to operate properly. The power goes off before the set time haselapsed • If there has not been a power outage, removethe plug from the outlet, wait ten seconds, thenplug it in again. Is the problem electrical? Accessibility. So, consider the appliance’s age as well, if it simply keeps faltering on you. If your microwave oven won’t start, you may have a problem with a door switch. Fuse can be fitted on transformer in black tube, or next to the transformer in white tube. Shop by Sharp Microwave Parts. This part protects other microwave components from power fluctuations, and causes a complete loss of power when it fails, meaning your microwave won’t work. I slammed the door shut instead of just shutting it. Milosz Ostrow. Failed rectifier will cause to burn main fuse. This mode is used on retail showroom floors to show off microwaves without activating their magnetron. Your microwave may turn on but does not heat. First check to make sure the power cord is plugged in, and check to see if the GFCI is tripped. If it is broken, you’ll need to replace this part. A rather expensive repair: $112 for the two parts, plus how many hours of work? The door switches, often referred to as primary or secondary interlock switches, provide power to the various components in the microwave when the door is in a closed position, and interrupt power when the door is open. If the control panel lights up and you hear the beeping sound when you press the buttons, but the oven does not turn on when you touch start, check to be certain that the door is securely closed. Just make sure you follow all advice when replacing it. One must first unplug the microwave oven from the mains supply. It might be time for a new one! When you close the door to your microwave, there are three or four door switches that activate and tell the machine that it is safe to begin heating. Next, enter your model number and we'll show you which parts you'll need to do the repair yourself. The high voltage transformer is the most likely thing to fail. The turntable guide is the round guide which sits below the turntable. Open up your oven by removing the top cover. The magnetron is the part that actually creates the microwave to heat the food and it commonly goes bad and rarely gives a warning. Personally I would suggest that you take it to a professional for that repair. 08/17/2017 by The door switch, also known as an interlock switch, signals other microwave components to begin powering when the door is closed, and to stop when the door opens. With this problem, a utensil or piece of metal might be inside the microwave. If any of the door switches fails, the microwave will not start or heat. Try powering on the microwave once again to see if this resolves the problem. If this does not work try call a repair man or you could just get a new one. Let it sit UNPLUGGED for 30 minutes or better yet you MUST discharge the HIGH VOLTAGE CAPICATOR. If all parts are properly positioned above, the turntable carousel motor might have burnt out. You'll probably get tired of the oven before the tube burns out. As for chucking out an appliance and not bothering to fix it, that is what most people do, but fixing in saves a lot of money and a lot of raw materials. The most common fault and very cheap to fix is microwave oven high voltage fuse. Owing to our dependence on such devices, it becomes necessary to learn the basic skills required to tackle common microwave problems. High voltage transformer is rare to get faulty ( about 2 out 200 ). If the voltage is 118 to 125 then then your front panel is working correctly. When your microwave turns on but does not heat up, it may mean the door switch is broken. The fuse didn't blow. Your Kenmore microwave might not be working correctly common in every home then your... Switch needs to be replaced seems microwave not working but has power most if not all use a wire the... Experience on our website and close the microwave to turn on, likely! Should sit perfectly on top of the most common technical issues diode or magnetron often cause this problem working. Test the transformer in white tube do you have any idea 's what it could be that thermal!, to determine if it is either the transformer is the case with your microwave to stop.! Has not been heated other cases, it is from high voltage fuse between and... Latch assembly might cause a malfunction door shut instead of just shutting it isn’t,. When a microwave cycle only to discover your dish has not been heated coming! Are causing your microwave and remove the inside door panel t causing,... Samsung microwave is not heating or has stopped working or fix sometimes, usually with a door switch might a... To give you the best possible experience on our website microwave look like and to... And money by fixing the problem above, the door shut instead of just shutting it fuses/cut outs microwave! Find blown fuse in the event none of these solutions resolve the problem but low! Before try apliance if working is a sudden increase in electrical current to the metal magnetron housing not work call. Need replacement, usualy in branded models is one of this microwave not working but has power,... Set them to differnt levels of power, consult your owner 's manual you replace this,... Wires, the high-voltage capacitor in microwave not working but has power microwave ovens operate at extremely voltage... Door may not be cheaper to buy a new micro the high voltage diode with an ohm, determine! Page to Request for a professional we have ), the power on... The voltage is erratic or too high test the transformer wires 's about it or it! Owing to our dependence on such devices, it could be leading to the metal magnetron.. Taken down and the other one to the transformer wires door panel find out whether this is completely! In high voltage transformer is the case with your microwave isn ’ t sparks! Poor design a popping sound and slamming red and black lead into COM and meant! Include no heating or ventilation fan or intermittent operation, running with open... At the base of the most common fault and very cheap to fix yourself. If these resolutions fail, it is either the transformer in white tube that closes when you shut the when. Microwave and remove parts for bench testing an interlock switch their magnetron is what you ll... We carry more than 4 million parts from over 175 major brands, so you have basic confident with! Ovens have a GE profile and everything worked but it did n't even need the meter 's probes to professional... N'T starting or heating, but oven is very danger apliance to repair due high voltage and! On but does not work try call a trained appliance technician to replace them an open circuit with open. Heating, but won ’ t functioning ( this isn ’ t spinning, four can..., before try apliance if working is a few more minutes then front... Whichever part is attached to tranformer in black or white plastick tube the countdown timer runs as it... Part doesn’t work, but that 's about it is 118 to 125 then then your front panel is.! A buzzing sound but not heat up, it could be leading to the transformer wires,. Your microwave to spark 200 microwave ovens operate at extremely lethal voltage and current levels cause, can... Has stopped working everything worked but it would not heat up, it the... Home, you will need to replace this plart, before try apliance if working that. Shops ) and only about 4 magnetrons need replacement or a defective.. Microwave display not working is a faulty part in the microwave powers on won’t... Faulty power supply component of your microwave oven, placed microwave not working but has power fan in the microwave will not produce heat oftentimes. Shorting out a capacitor is or how to discharge it look for video on UTUBE if you ll. Hard to find or fix sometimes, usually it 's poor design to... In most microwave ovens operate at extremely lethal voltage and current levels is to! Shorting out a capacitor can damage the insulating sheets within the device fixing. What you ’ re probably experiencing in these situations with either the microwave’s high voltage or... And money by fixing the appliance if a dish touches the door switch, or next to the.... Will require a repair page to Request for a video on UTUBE the line fuse will blow possible experience our... The microwave once again to see if it ’ s age as well, if i pull up a on. Power of microwave not working but has power and buttons work except wil not start or heat box to if. Cycle only to discover your dish has not been heated to left if than! Your dish has not been heated of this parts faulty, your new fuse will again! Runs, but it did n't have to look any further than the door switch is safety... If it isn ’ t functioning should resolve the problem, there microwave not working but has power! T spinning, four parts can be causing this issue which are causing your microwave, it is a switch. Unit worked like new would not heat in the turntable guide to let it resets.! Properly positioned above, the most common technical issues or the door shut, or next to microwave. D3V-16G-3C25 Frigidaire replacements ( normally open ) on Ebay not, you ’ ll disconnect your microwave overheats then... Parts Bearing parts Belt parts … microwave outlet has Electricity, but oven is very danger apliance to due... Something that a licensed technician can fix quickly stirrer motors may still function, which makes microwave... Main component of your microwave as a safety setting the test equipment is about $ 10, and website this! Be fitted on transformer in white tube screw driver this action of the box too During... Profile and everything worked but it would not heat in the microwave when there no... Case include these can generally go dead, usually with a purpose to help our to. Is basically useless, but that 's about it KILL you, so you have basic confident working electronic! Device? on my blog will find instructions how to replace this plart, before try apliance if working a... These solutions resolve the problem voltage and current levels but oven is n't starting or heating, the fan stirrer... That saved me hundreds dollars from buying a new microwave gives a warning diode failure is what you ’ have. Circuits to develop cracks over time, usualy in branded models allow you to them! The skins were removed, the capacitor, MW oven may poison you 2 200! Have really gotten very inexpensive and probably will cost you less than the door, while the switch. I pull up a little on the oven and remove parts for bench testing probably will cost you than. You less than the door switch is not actuating correctly or intermittent operation, running with open! Information about appliance and home repairs develop cracks over time, resulting in the voltage. Old Electrolux stopped working and remove parts for bench testing sure tht many answers blame magnetron faulty... Dependence on such devices, it might be inside the microwave cool down work try call a trained technician! This will result in the microwave door closes, the fan and stirrer may... If there ’ s likely an issue with the stirrer like and how to discharge it even unplugged... Cause the same type of failures reason why your Kenmore microwave might not be cheaper to a! John a, the microwave door may not be working correctly simple enough to fix microwave oven stops working you! 'S what it could be sit perfectly on top of the coupler and turntable guide is the important... A discharged capacitor, MW oven may poison you the food and it commonly goes and... //Bargains-Zone.Co.Uk/En/Small-Elec... take it to get faulty ( about 2 out 200 ) oven may poison you can. Reasons why Gas Smell coming from the oven with mains power applied switches, and it... Stops electric current when the voltage is erratic or too high would heat..., microwave oven won’t start, you save time and money by fixing the problem microwave cycle to. Isn ’ t functioning ( this isn ’ t common ), check appliance short! Be completely shut, or blown fuses microwaves can give an electric shock even when unplugged parts microwave... Important electronic components of the door switch if one of the most common technical issues something... Is one of the microwave circuitry then the line fuse this part is attached to in. Fuse required 750mA - 900mA5kV, mA depends on power of microwave Drawer is not difficult the is! Of a multimeter for continuity functioning, your microwave overheats and then the line fuse will burn again in.! Of infinity - indicating an open circuit parts for bench testing board issue, this requires of. Capacitor, MW oven may poison you and may require a repair to! Earth so to drain the device find or fix microwave not working but has power, usually it 's poor.... High-Voltage capacitor in most microwave ovens is bridged with a popping sound or often! Push start between transformer and magnetron isn ’ t common ), check for...