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Old 11-12-2010, 05:32 PM   #1
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Electric dryer


I have a 400 series kenmore with no heat but runs. I checked the continuity on the thermostats fuses etc. Found that the thermal cutoff has no resistance. This would be the culprit correct. Anything else I should look for?
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Old 11-12-2010, 06:00 PM   #2
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no resistance like it is an open circuit or a complete circuit? To me, no resistance means it is a complete circuit (has continuity). Infinite resistance would show an open circuit(no continuity).

anyway, if it is a complete circuit, I would say it is not the problem. If it is an open circuit, then sounds like a likely suspect. Any way to temp bypass it to verify?

Have you checked to see if you even have 240 volt supply. I have seen 2 pole breakers go bad on just one leg. You might also have a bad connection in only one of the circuit conductors from the panel to the recep.

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Old 11-12-2010, 06:20 PM   #3
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The receptacle is not the problem there is a dryer plugged in now and it works fine.
Maybe I have my terms mixed up. I checked everything with this see pic. It tests continuity and the only thing that had none was the thermal cutoff.
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Old 11-12-2010, 06:26 PM   #4
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I was just suggesting checking the supply. It really sucks to tear apart an appliance only to discover there is nothing wrong with it and it was the power supply all along. (yes, been there, done that. embarrassed I was.)

ok, so there is no continuity (infinite resistance, open circtuit) through the thermal cutout. Is there a way to bypass it for a test? It sounds to be the likely problem but I try to prove that whenever I can rather than spending money without being 100% certain.
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Old 11-12-2010, 06:45 PM   #5
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Ya I've been there a few times myself. That was the first thing I checked this time.
I guess I could just jump it out and see if it runs. I don't really know what that will do but I'll give it a shot.
Thanks for the help.
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Old 11-12-2010, 06:48 PM   #6
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if it is the problem, everything should work so you buy a new one and replace it.

I would suggest not running it a long time with it bypassed. It is there for a purpose.
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Old 11-12-2010, 06:55 PM   #7
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thermal fuse on the heating element is your culprit, buy a new one, it will come in a kit with a new hi limit thermostatat. check venting after you have it replaced
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Old 11-12-2010, 07:49 PM   #8
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Thanks guys

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