From what you have stated, I would suspect the relay on the control board is stuck closed. 7 possible causes and potential solutions . Make sure Control Lock is off. This door switch is approximately 1 inch long, and has 2 metal prongs called terminals that extend out of its body. Or, the dryer might start then stop if the door switch fails during the cycle. If neither is possible—then the microwave needs to be unplugged and its door kept open when not in use. View solutions. The microwave will not start or function correctly if the door is not properly closed all the way. June 26th, 2010. Blown fuses. Microwave shuts off after a few seconds. Open and close the door, then start the cycle Here are five reasons why a microwave might turn on by itself. Disconnect the oven from the power and turn off the gas. Uncover the vent or reposition the oven so that the vents are not blocked. This will assure adequate airflow around the oven. Faulty Board and Switches. Follow this guide to get things back to normal. This occurs to avoid unintended starting of the microwave oven. For whatever reason, whenever the microwave door is closed, it runs. It controls parts in the microwave to power up when the door is closed and to shut off when the door is opened. The control board most likely has to be replaced. Of course opening and closing the door and hitting start a number of times does no good. Samsung Microwave not heating in Kitchen and Family Hub 12-02-2020; MG11H2020CT Microwave has power but makes clicking noise and does not heat in Kitchen and Family Hub 12-01-2020; Won't be buying another Samsung product again in Kitchen and Family Hub 11-20-2020; OTR Microwave heats when off and door is closed in Kitchen and Family Hub 11-10-2020 If your microwave doesn’t shut off when you press the stop or pause button, but does stop when you open the door, there may be a problem with the smart board. So, the beam will be very wide. Kenmore Microwave model 721.66339, I purchased it today, plugged it in, and it immediately started running. Check to make sure there is nothing blocking or preventing the door from closing all the way. In the past, customers reported their microwaves from a particular manufacturer turning on by themselves. If your microwave turns on by itself after you close the door you may need to clean the door, check the latch, or ensure that the door is closed all the way. Follow this guide to get things back to normal. I have a whirlpool microwave Model WMH73521CB that's just over a year old, just out of warranty. If power does not return to the microwave, this signals a problem. The smart board, sometimes called the control board, controls the microwave by powering the relays. And, just like any part of any household appliance, this component can malfunction. As we all know from using a microwave, the interior light comes on when the microwave is running and when the door is open. No Video Available . Next, check the door switch and … I have pressed every button I can think of and even cycled the power to the unit...to no avail. To test, open the oven door and press the door light switch. On some models, if a packaging spacer is attached to inside of the door, remove it, then firmly close door. Wait approximately 30 minutes to see if the microwave power returns. Push it in until the oven cavity light goes off, indicating that the oven believes the door is closed. If the faulty oven is used, close supervision is recommended in case of fire. First off, your door-less microwave is not a very good transmitter. Microwave turntable not turning. So, if your 363.62709300 microwave keeps running, won't stop running or won't turn off, the following info will help you identify the problem. Once the door is open the reading should change to infinity. I thought I'd check here before I proceeded to start buying any parts. Finally, shut the appliance door and turn … Microwave Won’t Turn On. If the microwave continues to run even with the door open, quickly shut the door and unplug the unit. While you hold the door jamb switch in this position, complete the following steps. Check continuity on the switch to see if the switch is the fault. But if your cooktop lamp will not turn off, then it may just be wet from recent cooking. Greg. Microwave buttons not working. View solutions. Report This by Manage My Life. Therefore, we know when the door is open the Orange switch must close when the door is open in order to complete the “Oven Lamp” (located just above the fan motor in the circuit diagram and shares a neutral return with the fan motor) circuit and turn on the lamp. If your microwave turns on by itself after you close the door you may need to clean the door, check the latch, or ensure that the door is closed all the way. No Video Available. No Video Available. The dryer won't start if the door switch senses that the door is open. Pressing the "stop/clear" button didn't turn it off. About once or twice a week or so when I go to use it, it will refuse to run with an message "open/close door". We do not advise that a customer to repair their microwave because of the dangerous amount of voltage a microwave has stored even when unplugged. This is a wall-mounted microwave-over-oven unit. View solutions. If a message about the door appears in the display, the door has been closed for 5 minutes or more without the microwave oven being started. No Video Available. Parts for Kenmore 36362709300. Possible Cause: Unseated Door. Next, replace the turntable support and the turntable and close the microwave door. If these readings do not match up, replacement of the door switch is necessary. The oven works normally, lighting up and reacting to input, without starting. Open and close the door, then start the cycle: Control: Make sure control is set properly. Firmly close door. The Right Parts for the Job. Any ideas? Hi, I have a Panasonic Microwave (model nnsn676s) that has the following problem: When I close the door, sometimes it seems it doesn't "latch properly" (although the door IS closed shut and the latch does seem to be correctly engaged) and so the microwave won't start because it thinks the door isn't closed (properly). View solutions. When a relay sticks closed the microwave will not turn off unless you open the door. I have not pressed any "cook" buttons. Microwave won't turn off. When this has happened, the oven was off - just the microwave … The door switch sometimes referred to as the primary or secondary interlock switches, is a source of power to several different components in your microwave when the door is closed. Always ensure the door is completely closed if the oven fails to start. It is designed to focus the beam in the center of the oven, not outside of it. VIEW ALL. If pushing the stop button does not turn off your microwave, try opening the door while it is still running. 4 possible causes and potential solutions . If it does, the problem likely lies with your control panel, not the cooking unit itself. Eventually the thing shut off and will now not turn on at all. When the cycle initiates, press the clear/off or cancel pad immediately to cancel it. By continuing to use this site you consent to the use of cookies on your device as described in our … If I leave the door open, the microwave stays off, but if I close it, it will sometimes have the humming sound and it will be running. The dryer door switch detects whether the dryer door is open or closed. 7 possible causes and potential solutions . The unit heats properly, but after the cook time is complete the fan continues to run and the oven interior light stays on. If the hooks are damaged or lacking tension due to worn-out springs, the switch will not latch properly meaning the microwave won’t turn on. This should stop the operation of the microwave. If the switch has no continuity, replace as necessary. Part Number: AP2024337: In Stock Ships Tuesday Guaranteed. Sometimes it is possible that when a door switch fails, the display and controls may appear normal, but the oven won’t operate. 4 possible causes and potential solutions . If this is the first use, ensure that the shipping spacer (on some models) is removed from the inside of the door. My OTR microwave fan runs whenever the door is closed. 7 possible causes and potential solutions . A microwave that seems to not turn on may be suffering from a number of failures. The switch monitors the door latch position, and communicates whether the door is open or closed to the electrical control board. When your microwave door is closed you should have a reading of zero. Child Lock Active The child lock stops children from playing with the oven, changing settings and starting the appliance by themselves. If a message about the door appears in the display, the door has been closed for 5 minutes or more without the microwave oven being started. 7 possible causes and potential solutions . Microwave turntable not turning . If it does, and your door switch fails, your microwave won’t display any outward signs of the issue. View solutions. To determine if your fuse has blown out, which may attribute to your microwave not running, you need to pull the fuse out using a pair of fuse pullers. Most door latch assemblies are made of plastic hooks that stick out of the door and engage the door switch when the door is closed, signalling the rest of the controls to power the microwave. But if your cooktop lamp will not turn off, then it may just be wet from recent cooking. Finish off your repair by reinserting your microwave into the opening in your cabinet, and then securing the sides of the appliance to the sides of the cabinet. Microwave buttons not working. Microwave wont turn off when door is closed - Answered by a verified Appliance Technician We use cookies to give you the best possible experience on our website. No Video Available. The Right Parts for the Job. After an internet search I've been lead to believe that this is either an issue with the control board or a door switch, but I'm pretty foreign to this kinda stuff so I'm not certain. Hold the button with a padlock icon for a few seconds to turn off the child lock. 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. Press the Clean pad, wait 10 seconds. VIEW ALL. Wait 10 seconds for the display to clear. Thanks. Vent fan is weak on Samsung over-the-range microwave. Microwave shuts off after a few seconds. Start by checking the wall plug to ensure the microwave is plugged into power. Cause #1 Door Switch - 62% of the time Total Satisfaction Rating (119) Door Switch for Kenmore 363.62709300 Doesn't shut off. If this switch is bad, the microwave will appear to be in working order, but not heat. No Video Available. Wall Plug; Door Latch Assembly; Door Switch; Thermal Fuse; Ceramic Fuse; Of course, your microwave is completely useless if it won’t turn on or respond to button presses. The secondary door switch is a simple on/off mechanism that stops the microwave from operating when the door is open (normally opened). Thank you for your inquiry. If I open the door, it stops, but that the only way to stop it. It still works, but I have to leave the door open all of the time. This happens to avoid unintended starting of the microwave oven. Of course, if your microwave doesn't have a mute function built-in, you'll just have to continue doing the run-across-the-kitchen-to-open-the-door-before-the … The only way to shut the fan off is to leave the door open. Our chat service hours are Monday - Friday from 8 a.m. - 8 p.m. Saturday from 8 a.m. - 4:30 p.m. EST. View solutions. When I opened the door, it turned off but when I closed it, the microwave started running again. If the door is left open for a while, eventually, it can be closed and the microwave will remain off. If the oven door does not connect with the door light switch, the oven light will stay on. If the light turns off, the door will need to be adjusted. If the microwave turns off before the set time is complete, it can be due to a covered or blocked oven vent around the case. Microwave has automatic fan ignition setting pre programmed to keep the unit components from over heating.