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Question DetailsAsked on 11/26/2015

Kenmore dryer not heating & stops working.

I have a kenmore dryer (model # 417.84082500), that has started to not heat up, and will just stop drying after about 10 minutes. At one point not too long ago it seemed like it might be overheating, so maybe needs new thermal fuse. But unsure if more needs replacing since the dryer stops drying also. Thanks!

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Here is a link to a site reporting the most common cause of those symptoms -


http://www.repairclinic.com/RepairHel...


When you say it just stops drying after 10 minutes, I infer that to mean it keeps turning, just the element stops heating - a classic symptom of either a cycle thermostat going out, or the overtemp thermostat cutting out. Both are commonly symptoms of blockage of the exhaust vent, though a failed thermostat/thermocouple can also cause this- but would be EXTREMELY rare that it would fail or malfunction, then work again if you try it again after it is cooled down.


BTW - the cycle thermostat is in the exhaust flue of the machine, commonly near the bottom, and measures the temp of the air coming off the clothes - shutting the heating element down if it exceeds the desired temp for that cycle. Separate ones commonly (different temperatures) for permanent press (hot) and warm (delicate) cycles, though some electronic machines use one sensor (a thermocouple) and a digital chip to determine which temp to shut the heating element off at. This sensor may cause cycling of the heating element every minute or so during the drying cycle, once the clothes start to get dry.


The overtemp sensor is commonly in the element area itself, and senses the element "box" or enclosure overheating - commonly at the bottom of it. This prevents overheating due to near-total blockage of the airflow, also if something like clothing or lint blocks the out from the element area - either because of something blocking the air outlet duct, or clothing or lint caught or blocking the air holes between the heating element and the drum.


First thing to do - check the outlet of the dryer to be sure there is good airflow coming out, and if at all possible inspect the length of the ducting for partial blockages. If blocked, clearing that might solve the problem.


Also - either dryer cleaning tech or DIY if into that (unplugged of course), should also check that the thermostats/thermocouples are not clogged with lint, which can affect their operation.


Otherwise, normally minimum service charge ($50-150) by Appliance Repair - Large (your Search the List category) technician for labor and about $15-40 parts for the thermostat/thermocouple, assuming this is not a controls issue, which I think unlikely.

Answered 5 years ago by LCD




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