Repair and disassembly guides for microwave ovens. If I open the door the humming stops. If your microwave is making Crackling Noise or other electrical sounds: Crackling sounds are usually caused by the food item being cooked in the microwave. Check for continuity in the opposite direction by reversing the meter leads. I've got an over the range GE microwave JVM1650WB 007. Remove turntable. I replaced all three switches (since the unit had to be opened up anyway) and the problem appears to have been solved. @johnlornea15848. Sometimes the cooling fan becomes dislodged or debris gets caught in it. However, if the magnetron is damaged or nearly burned out, it may begin emitting high-pitched sounds or growling noises. clicking is from a physical motion in your computer. If youre not already aware, cooking sprays can create a mess and lead to fire hazards. Edward Angel. Many of us rely on our microwaves to prepare meals in a rush, so it can be disconcerting if it starts making weird noises. Remove and clean turntable support and rollers. s.eVar14 = document.title; Try pushing back on the right side and left side of the door while it is closed. http://www.applianceaid.com/component-testing.php, GE Refrigerator GTE18GTHGRWW Strange Noises, KEHC309JSS06 Combo unit Microwave not heating, Whirlpool Microwave Model WML55011HS2 heats for the first 20-30 seconds and then provides almost no heat for the remainder of the cook time. The unit was only 4-5 years old. I tightened the screws just inside the door because one was slightly loose. If so, you might consider leaving your microwave unplugged when youre not using it to prevent it from making noises. Eric Smith. daniel waweru, Same issue hereit scares the !&&* out of mesounds like a loud cap pop gun if I had to try to describe it but it's only when it's first starts. Repair and disassembly guides for microwave ovens. Locate the diode (if you're not sure where it is, consult your user manual). I don't think it's the magnetron, as the sound was a sharp pop when the microwave starts cooking, not a continuous hum or anything. Make sure the appliance is not plugged into a power source, Remove the microwaves top casing to access the high-voltage circuit and the diode. If all else fails, and you havent been able to resolve your microwaves issues on your own, its time to contact a microwave technician. It's not the exhaust fan as I can turn that on without the microwave . What are the Signs that a Microwave is Going Bad? By removing and packing the fan back on its axis, it may go back into place freely without having to worry about replacing the device entirely, as some people would typically do in this case. Microwaves have an integrated cooling fan, which can get dirty and clogged over time. Feb 8, 2019 by Access the stirrer motor from inside the microwave cavity, above the turntable plate. Covering the container will reduce this. This motor powers the turntable that slowly rotates your food to ensure even cooking. If a defective diode is to blame for your microwave making noise, the microwave won't generate heat. Food items with a higher fat content will pop and sizzle as they cook. If it reads between 50k 200k ohms, then its a healthy one. Frigidaire Microwave Making a Popping Noise. A screaming or screeching sound that's hard to ignore is usually caused by a defective or worn-out magnetron. With loose wires, you can easily put them back in place. I don't really feel like it is safe to leave plugged in or even use. While defective blower wheels and faulty diodes will not necessarily pose any imminent danger when operating a microwave; they are potential fire hazards so avoid using them until it is fixed. Before accessing the turntable motor, remove the turntable plate and support roller from the microwave. If it's the stirrer motor to be blamed, replace it. Violently from within your food. Taking the bottom cover. You can prevent your microwave from making noises by using a plate cover and cleaning it regularly to avoid a food build-up. Whirlpool gold gmh3204xvs-1 - Answered by a verified Appliance Technician . The diode is responsible for converting AC to DC to supply the magnetron with power. Yep, it was a shorted high voltage diode (see chosen solution). var s_code=s.t();if(s_code)document.write(s_code); If your microwave is making arcing, sparking, popping, or other electrical sounds: If you would like to schedule a service appointment, please contact GE Appliances Factory Service or schedule a service appointment online. For these reasons, its not ideal to use cooking sprays in a microwave oven. This could be caused by a dirty waveguide or a damaged interior wall. Before doing so, its worth checking whether you have a warranty that covers the cost of faulty parts and a technicians services. Can it be fixed? A faulty diode typically makes a loud humming noise. Remove the fan motor cover (most microwave fans are at the back). Unfortunately, those unfriendly noises your hearing from your appliance . Tom Riordan. My microwave is now making the HUM sound (same sound when I am heating the food and the plate is turning). If the cooling fan is the culprit, its best to replace the cooling fan motor. It happens when humidity is over 70%, whether from humid days air or too much boiling on stove underneath. If it has gone bad, its typically to heat some grinding or clicking sound. On most models the turntable motor can be accessed from underneath the microwave. The foods cook normally. . While the microwave is operating, it is normal for it to make a low humming or buzzing sound. The water valve. Is it even safe to use the microwave if its emitting such a loud noise? Microwave capacitors store significant amounts of energy, even if they've been unplugged for a long time. Read on to find out more about the causes and ways to fix these unusual sounds on your own. 3. There's excessive moisture present: One reason why your oven might be making clicking noises is moisture. The solution for annoying noises like this is to reduce or remove the gap. However, regular microwave sounds should be quiet and unobtrusive. Check if the stirrer blade is in good condition and tightly fixed. If not, you might have to get rid of the debris obstructing it from spinning freely. Hold until the light flashes. A burning smell also indicates a problem with the magnetron. Gas Oven Making Popping Noises When Heating. You can buy them online or in DIY stores. The sound is normal and there's no reason to be alarmed. cxavi_007. Go. Give the safety switches a test for continuity. Or, remove the stirrer motor and see if the microwave stops making noise. The capacitor stores electricity and runs the digital clock when the microwave is not in use. If that doesn't work, the only way to stop your microwave from making noise is to find out which part is faulty and repair or replace it. Oct 7, 2017 by Step 2: When you see "oP-2" on the microwave, press Start. I tightened both screws where the latches engage, and it no longer hums now. community. Normal microwaves make a slight humming noise while they're working. Joe fix worked! Should I call the landlord? Heres how you can use a multimeter to test a magnetron for continuity: To test a diode for continuity, you will need a meter powered by a 9-volt battery or use a 9-volt battery in conjunction with the meter. Touch the red lead to the positive terminal on the battery. // Manipulate variables The high-speed electrons generate microwaves, which disturb your foods water molecules, create heat, and cook the food. Due to the risk of electrocution, it is recommended that a trained microwave professional be used to repair the more complex issues. However, if the magnetron is damaged or nearly burned out, it may begin emitting high-pitched sounds or growling noises. Popping and sizzling noise from the Microwave is a regular occurrence. The unit will still heat food, and everything else seems to be working as normal. Micro waves heat from the inside out. There is a safety switch (thermostat) that is often located just behind the user interface. A grinding sound from inside the microwave indicates it is the stirrer motor, while a grinding or clicking noise from the base of the microwave indicates it is the turntable. It's a common problem, with a variety of causes - here are some of the most likely reasons for a clicking microwave. First, I prayed, then I checked on the internet for possible answers, and find this response by Joe. The diode was also touching another wire, which might have caused it to short. Top 6 Noise Recorders for Noisy Neighbors In 2023, Power Strip Making Buzzing Noise? Rotate the multimeter dial to the lowest setting for Ohms of resistance. Furthermore, the popping noise could result from malfunctioning or damaged microwave parts. Reasons why a mini-fridge clicks: Start relay. Occasionally, cleaning the cooling fan can solve the problem if the noise is due to dirt or clogs obstructing . Its not dangerous if you know what youre doing and carefully follow the process highlighted in this guide. As soon as you close the door, without pressing any buttons or starting the microwave the hum comes back. Microwave fans should be rotated by hand after being removed from the machine. When you run your microwave on a low setting, you can often hear the magnetron switching on and off to reduce the microwave frequencies while cooking the food. Remove the top microwave cover to access the magnetron. I took the microwave down from above the range, removed the cover to try and pin point where the noise is coming from. Check if the fan is spinning freely. A faulty turntable motor typically makes a clicking or grinding sound. Nothing burst into flames or anything, Is it time to replace it? Its similar to frying any oil or fat-based food on a conventional cooktop with oil popping and shooting everywhere when overheating. For the latter: If you hear a crackling sound during operation, you should observe the oven cavity for arcing: sparks or flashes often occurring near rack supports. A high pitch or loud hum points to the magnetron or diode, while a rattling or buzzing sound from the rear of the microwave indicates the cooling fan is at fault. For some models, you might have to remove some components to access the cooling fans. It is safe to turn off the microwave when you see these sparks and flashes from an approaching arcing event, the smell of burning, possibly an off odor to it, and last, but not least all smoking must be evident. HOMESERVE, the HOMESERVE Design and HOMESERVE Canada are trademarks of HomeServe PLC. Apparently jotting things down is what separates us humans from the rest of the animals, allegedly. Keeping your microwave unplugged may help, but contact a microwave technician if youve tried these solutions and your appliance is still making noise. Metal Studs vs. Wood Studs for Soundproofing Which is Better? Because of this, you might hear it making a low humming sound even after you are done using your microwave. The stirrer motor is located above the turntable plate, which you can access from the microwave cavity. (i live in canada) i have no problem buying a new one and replacing it. Why does it make this loud snap? Saturday: 9:00am 3:00pm. If it doesn't, please contact Bosch Customer Support at 1-800-944-2904 for troubleshooting assistance. Sometimes, turning your microwave off and giving it a good clean can stop it from making noise. It converts alternating current to direct current to produce the high voltage needed to power the magnetron. It makes a humming sound (sort of like a refrigerator running) when its plugged in. Youre sure it doesnt make this sound every time. Test the magnetron for continuity.
[email protected], Mine is exactly the same model as yours. If the multimeter doesnt detect current, the fan motor is broken and must be replaced. Your Account. I have had three microwave and all three have done the same thing and blue fire shoots out the back, Nov 2, 2020 by Accessing the cooling fan may require the removal of other microwave parts. Follow all your manufacturer safety precautions. Holding the black lead against one end of the diode, touch the opposite end of the diode to the negative terminal on the 9-volt battery. Other than that it works fine. The stirrer motor is located above the turntable plate, which you can access from the microwave cavity. s.prop5 = s.prop4; Operating the microwave empty may also cause a popping to occur and can damage the interior. s.channel = "Service_Support"; Always have something in the microwave when in use. You are using an out of date browser. Jacqueline Hightower, Mine makes a popping noise while in use but its not the food and its not arcing, Jan 25, 2023 by Replacements for those parts that can cause your microwave oven to become noisy, like a magnetron, diode, turntable motor, fan motor, fan blade, blower wheel, or wave guide can be found at Repair Clinic. The need for a quiescent working and living environment cannot be overemphasized. Once again, you should set the multimeter to Rx1. Dec 11, 2019 by There is a loose connection somewhere. Why Does Your Microwave Make Noises When Its Off? Microwaves are hardworking kitchen appliances, and its understandable that they sometimes have problems. But when you check it, the food is not ready and it seems like there is nothing wrong with the microwave. Use a multimeter to test the diode for resistance. If your microwave makes a popping noise because you are cooking food high in fat, then this should not cause you to panic. Pu. If I remove the turntable motor arm or turn the turntable off, it sounds fine (no unusual noise). I dont have capacity to fix and trying to determine should I replace or have service rep come fix it and than maybe having to do the same thing 2 years down the road. You can further diagnose a magnetron issue by running the microwave on a low setting and seeing if the microwave noise reduces or stops as the magnetron turns on and off while cooking at the low setting. Also, if you notice a burning smell, its likely the magnetron has gone bad. Age. Only a licensed technician should replace the magnetron.). The high-voltage capacitor inside the microwave can store a lethal amount of electricity, even after the microwave has been disconnected from the power for months. As soon as you close the door, without pressing any buttons or starting the microwave the hum comes back. Oh, my!! That one did the same thing but also had a display light out. Aug 30, 2021 by Detailed Answer. In the next section, well discuss practical solutions to microwaves making popping noises: Sometimes, switching off your microwave oven and cleaning it properly solves the popping noise.