I replaced my Samsung Dryer Thermo Switch multiple times until I finally went up on my roof and ran a brush down the vent 22 feet until I could feel a draft, see my flashlight on the other end and clearly speak to the wife through the vent. The dryer worked for 30 minutes and the fuse blew again. Does this mean that in addition to its thermal fuse capabilities (blowing at a certain temperature profile), it also behaves as a 10A fuse, and will blow safely when current exceeds 10A (within the parameters of its delay time, maximum voltage, etc)? When the critical temperature is reached, the thermal fuse blows. It was replaced initially on a Friday and by Monday, it blew again. And also double check vent line from the dryer to outside. However, thanks to these components, this is a thing of the past, as both parts work to prevent fires. Ive seen this issue on Whirlpool and Maytag dryers? It also helps monitor the amount of heat being produced by the dryer. Another thing, i’ve seen several times, when control board relay was stuck in ON position. Cycling thermostat just not able to control amount of heat produced by the heating element. control board has to be getting to hot to blow that fuse on blower side. Two such part are the thermal (limit) fuse and the thermal cutoff. So get yourself some high temp tape (aluminum foil hvac duct tape and seal up the duct seams. As these units get older, the foam seals crap out. Hello I have a LG DLEX 3070 dryer and I’ve changed the thermal fuse a few times now. Step by step instructions on how to replace a Dryer Thermal Fuse #WP3392519 for Dryer, Washer Dryer Combo made by Whirlpool, KitchenAid, Roper, Kenmore, Maytag, Estate. Use MathJax to format equations. Are you talking about the thermal fuse on the blower or on the heater assembly? When dryer hoses or vent lines become clogged it prevents proper air circulation, which will eventually cause your dryer to overheat. General behavior is that there is no general behavior - it's down to what each data sheet says and studying the graphs in each data sheet. By clicking “Post Your Answer”, you agree to our terms of service, privacy policy and cookie policy. Once the dryer reached 220 degrees Fahrenheit, the heat cuts out. site design / logo © 2020 Stack Exchange Inc; user contributions licensed under cc by-sa. Once you have established that your thermal fuse has blown, you will need to replace it. the problem is with thermostat Dc47-00015A. After replacing the temp sensors, troubleshooting the control board, never found the “issue”. Comparable Part Numbers 3388651 and 3392519 The fuse is a fail-safe that stops the electricity to the heating system when a dryer overheats. Replaced high limit and thermal fuse. My 10 Year old Samsung Drier has never worked better, dries faster than ever its the exact model shown up top of this article with all the burnt looking components. This in turn blows the thermal fuse. My ducts/vents are cleaned regularly. I replaced it with the other fuse in the kit (gas) only for test. But first, turn the dryer 240V power cord OFF from the wall and only then start to work on the dryer. Hi Robert, did you check heating element to make sure its not grounded? A thermal fuse will blow when the temperature gets too high, not when it’s drawing too much current. Feel free to ask any questions about repairs. Both current and voltage rating are the "safe operating conditions" for the part and your application should stay below these limits. Each time a fuse has blown the dryer was in use, suggesting that the circuit is overloaded. I get a ton of questions from folks with ‘no heat’ dryers, and thought I’d tell you about the second most common cause of the problem – the thermal fuse (actually, these days, I think the numbers of open elements and blown thermal fuses are running about even in electric dryers). To subscribe to this RSS feed, copy and paste this URL into your RSS reader. When this occurs it will cause your dryer’s heating element to remain “ON” constantly, even during the fluff or AIR ONLY cycle. This cool air gives the control system a false reading, and it applies more heat. A dryer that runs but won't heat is usually easily fixed by replacing either the thermal fuse or the heating element. Does this mean that in addition to its thermal fuse capabilities took heater coil out and could not find any signs of damage and it ohms good. It stuck in ON position. Then it will always stays ON, causing overheating. mu dryer runs but does not heat. Thanks. Sustainable farming of humanoid brains for illithid? Its should be no more than 180F, usually less. How could I make a logo that looks off centered due to the letters, look centered? The good news is that thermal dryer fuses are inexpensive and relatively easy to replace. This site uses Akismet to reduce spam. Electrical Engineering Stack Exchange is a question and answer site for electronics and electrical engineering professionals, students, and enthusiasts. It also may cause overheating. While a blown thermal fuse is the most common reason a dryer won’t start, run, or heat, you should remove the fuse from the appliance and test it to determine if it has blown or not before purchasing a new one. Interesting, I never knew thermal fuses varied so much! This website was created with a purpose to help our visitors to find proper information about appliance and home repairs. Also it seems to be venting out of the house just fine. Note: This video is intended to give you the general idea of the part replacement procedure. The data sheet is in German and says this: -, wo Strom und Temperatur aufeinandertreffen und geregelt werden müssen, Using google translate it tells me this: -. 5% coupon applied at … The dryer thermal limiter, also known as a thermal fuse, blows the fuse to cut off power to the dryer when the dryer begins to overheat. How to Verify the Thermal Fuse Is Burned out on a Dryer. Usually, this relay becomes stuck in the “ON” position and sends the power to the heating element, ignoring ON/OFF commands from the control board. sensors ohms ok .checked the cut out on the wifes grittle and it opens 250/300 ,but replaced it away to no avail. Dryer Thermal Fuse - Whirlpool WP3392519. Have you had issues with a thermal fuse tripping? When this occurs, it will cause the fuse to overheat and blow due to heat build-up. Your device's DS is really poor and unless there was a fuller DS I wouldn't use it in my designs. However, you’ll also have to determine what made it fail in the first place. Its works for 3 months then the fuse goes out. Terminals: .25" Push-on Voltage: 125 / 250V Amperage: 25A Temperature: 185°F / 85°C Fits Samsung®, Whirlpool®, and Kenmore® dryers So I would say it acts like a 10 amp fuse and a thermal fuse BUT there will be some interaction and the data sheet (being in German) does not help me drill-down further. The thermal fuse blows to cut off power to the dryer if the dryer … My dryer is dead, and based on some google searching I suspect it may be my thermal fuse. It monitors the temperature of the dryer, and when that temperature gets too high, it shuts power off to the motor (not to the heating element !!!). As a one-time use part, it’s not designed to be reset. The thermal fuse blows to cut off power to the dryer if the dryer overheats. Asking for help, clarification, or responding to other answers. Can you identify this restaurant at this address in 2011? 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