Where is the thermal fuse in my dryer
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Where is the thermal fuse in my dryer
On the exhaust vent pipe. Some use a small disc type, some are an elongated cylinder shape. Remove the back of the dryer and look for something in the vent pipe with 2 wires. Look on the inside of the back panel for where it is located. Test for continuity with an ohmmeter, should be zero or close to that. If it is open, get a replacement and you should be good to go. HOWEVER, many burnt limit switches are due to plugged or obstructed vent pipes. Make sure they are clean and flow well.
Hi liz, ma0641 gave you good advice, especially about the cleaning of the vent pipes. Below is a good video that should help solve your problem. Good luck and let us know how it goes.
Whirlpool & Kenmore Dryer Repair - How To Diagnose No Heat - High Temp Fuse 279816 OR 279769 Test - YouTube
The thermal fuse is behind the drum and positioned so that you will have to take the dryer apart to get to it. There is more than one fuse most of the time. You need a multi-meter to find which safety has blown. You will have to take it all apart and clean the drier out thoroughly or it is all for nothing. Every air duct will have to be removed and scraped and washed out to remove baked on lint deposits which bakes on like a concrete lining. This will burn so the manufacturer has installed the safeties to keep from having a house fire. The safeties are oval-shaped with a round center part containing the safety with two plug-on terminals for the wires and when they burn open, from the dryer being dirty, nothing will work or it will not heat. Using an ohm meter you put a lead on each terminal of the safety, with one wire unplugged, and if it is good you will have a reading of about zero; if it is bad it will read infinity. On your dryer you may also have to test some thermistors if it has them. They are sensors that are around in different places to test the temperature and you test them with a meter set to ohms and compare the reading to a chart. They are specific to the dryer, but if you read nothing or a short you will know it is bad. Probably, once you clean it the dryer will run find after the blown safety is replaced, too. Driers were the number one cause of fires at one time, hence now we have safety fuses. Look at: How to clean your clothes dryer. How to make it hot again. - YouTube to see how. Also look at these to get an idea about how to clean it: Mr. Appliance Tips: How to Clean Your Dryer - YouTube ; Cleaning a Dryer Vent and Lint Trap - YouTube
Electric Clothes Dryers Dryer vent cleaning prevents fires - YouTube and: Cleaning out a dryer with top lint cleanout - YouTube
Cleaning out a dryer: By a woman 2 of 2 - YouTube
When you finish cleaning the drier it is best to also replace the belt, too, because you do not want to have to disassemble it all over again and if the belt is over two years old you should replace it.
Note that on most of the videos it does not show them washing out the parts, but this is important because it's the only way to really get the parts clean, just don't get motor wet or the capacitor if it has one. Vacuum out the motor to remove all dust. I would move the drier out to your garage to have plenty of space to work. You also want to check your vent and clean it, also. The vent should have a short run and be straight as possible. The job is really easier than it sounds. There is no shortcut that will work; it has to be cleaned well. Before you re-assemble it make sure to use white lithium grease (high-temp grease) and grease all bearings. Here is a manual and parts list for one Kenmore dryer: (They are all about the same.) https://dl.dropboxusercontent.com/u/...%20Manuals.zip
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