That switch simply short 120 AC power when door opens. I had the same problem with a 3 year old GE Microwave. I replaced the capacitor. Wait at least 20 seconds before you cancel the self-clean setting on the oven. At 120 volts it would only take 2400 watts to cause a 20A circuit breaker to trip. The broiler turns off when the door is open, but the oven should stay on. When your done you can test the operation of each switch with and ohmeter and repeatedly opening and closing the door. Again wait for at least another 20 seconds. The oven does not cook with the microwave on and the door is closed. If there still power, it just blow the fuse. Where do I register my Kenmore appliances for the warranty? From not heating at all to cooking unevenly, ovens can wear out and break with lots of use. Answer: Use the solutions below (to open the oven door) that may cause an oven door to NOT OPEN or be LOCKED… 1 – Remove power to the oven – Unplug the oven from the power outlet or flip the circuit breaker for the oven. It was enough to be slightly out of sync causing the fuse to blow. The timer counts down when entered and the start button is pressed, the inside light comes on but that's it. Locate the internal oven light switch. Try disabling the control lock or set and then cancel a self-clean cycle to unlock the oven. Igor Blokhintsev With the door open, locate the door jamb switch on the face of the oven. That will blow the fuse. I have had the door switches out and don't appear to be bad. 08/16/2018 by Do I need to install an anti-tip bracket on my range? You should verify that the electronic clock on the stove goes off to confirm that the power to the stove is actually off. If you take that switch out, beware that you can actually microwave yourself in the event the other relay welds together. No adjustments can be done to assure that middle switch operates before the door switch (commonly upper of three switches) will cut the power. I could also move the door up and down by pushing up under the handle (enough to cause the Secondary switch, the bottom one to open and close). The part was ordered from China on ebay for $4, SONG CHUAN 302 302WP-1AH-C M02 12VDC and took 2 weeks to come. The stovetop works perfectly. If the device were to trip the circuit all by itself that would mean that there is a short within the microwave and the door could be all or part of the trigger. Terms — The issue turned out to be the white plastic housing that holds the 3 switches. Strange way to protect. In my case the top hole wore down faster than the lower hole causing the switches to release at different times when the door is opened which will in turn send a power surge to blow the fuse. If you read my answer, it said the fuse was blown, not that the circuit breaker tripped. It is ridiculous schematic to prevent microwave to work with even slightly opened door - one hundreds of inch may counts. Arthur Rubinstein I do not see where CASPER YOUNG directed anything toward your answer or toward you. OWNER RICK'S APPLIANCE REPAIR APPLIANCE TECHNICIAN FOR 31 YEARS Luckily, there are several ways to unlock your oven. Fuse does not blow if I end cycle with the cancel button. Serena Arnold, Nick Nishino and really? Your question was published, help is on its way! Is it normal to see steam or smoke coming out of the control panel of my range? And one can change a dozen of switches and other parts, but will have the same problem. Suggestion to Avoid Overheating If your MW is 800W and you select cooking time for 10 minutes by using only instant/fast select button(s) the MW will cook the food for 10 minutes with full power using all 800W. I found some other strange behavior that was related to the door sagging (see my comment above) and also how tightly the door closed. The door will unlock and open, but the light - Answered by a verified Appliance Technician. Check status from anywhere without opening the oven door with live streaming video of your food on your smartphone. oldturkey03. To test, open the oven door and press the door light switch. If your oven door is locked open, press and hold down the light switch while you continue to work through the process of cancelling the lock on the door. Also, what makes you think I have limited electrical knowledge? I highly recommend you put that safety switch back into your unit or you could be inviting a disaster to yourself or someone you care about. Why Won’t My Microwave Shut Off? The oven light comes on when I open the oven door. So Arthur : what part did you order? My fuse blowing was a result of one of the two interlock switches failing. My range surface or coil cooktop seems too hot. I changed the capacitor and all three switches and still had the problem. That middle switch shorten 127 VAC power and blow the fuse. They are designed to interrupt the power when the door is open. @nickyboy. Fuse blows if door is opened before end of heating. How would I find the schematic for this? Open door broiling is good for when you are broiling for short periods of time, like cooking thinner meats, top browning, or searing meat. Set the oven to self-clean. Can be opened anytime not in heating part of cycle. By continuing to use this site you consent to the use of cookies on your device as described in our cookie policy unless you have disabled them. Hannah said that GE makes open-door-broil and closed-door-broil ovens in all price ranges. Now remove the single screw at the top of the control panel that was concealed by the air grille. The circuit only trips when attempting to run a cook cycle. Wall Ovens with In-Oven Camera. Clean the... GE Oven Door Removal. The test meter will show you which one is bad, but GE recommends to replace the switches at the same time since an over current situation will electrically stress all of the switches. Did it work? Can try to redesign switch support, adjust switches position making timing reliable, but just eliminating shortening switch is an easy and fast solution. October 21 by After fixing the door hinge, I noticed there was some slack on the right side of the door where the handle is. That switch simply short 120 AC power when door opens. However having said that, there are certainly risks, and the problem should not be left alone. General Electric Microwave JVM1740DM1WW Doesn't shut off Doesn't shut off is the 2nd most common symptom for General Electric JVM1740DM1WW. I think almost all microwaves have a 15A or 20A fuse at the inlet power cord. This should be located where the oven door meets the oven. I almost have up before I saw your post. It looks to me like his answer is directed toward the OP. It absorbs surge and is available with the same rating as the original fuse. WARNING the capacitor is storing high voltage and is a potential shock hazard. Model is JVM3160 Df. oldturkey03. I blew up four fuses in couple weeks, but now microwave works without problems. The door was sagging a bit before the fix but it blew another fuse on startup. Better yet, if you don't know what you're doing (obviously because you removed it) you should spend a few hundred dollars and just go get a new microwave. 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