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No wires attached to thermal cut-off WHY?

I was replacing the thermal fuse and saw that there were no wires attached to the thermal cut off. (it's right behind the thermostat, and wires ARE attached to the thermostat). I see no wires available, but posts were scratched like there were at some time. Does it matter that there are no wires there? I've had this dryer since it was new. Kenmore #61062 Electric

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  • annechoranch Mar 13, 2009

    Thanks for the info and reply. This dryer has been serviced once, but wouldn't I see some wires available if someone moved or removed them? Also, now that you have explained what the thermal cut off is, it seems to me that the dryer needs power to the thermal cut-off. What is happening to the heater element or to the temperature inside of the dryer if my dryer has no wires attached to the thermal cut-off?

  • annechoranch Mar 13, 2009

    Thanks again for the info. This dryer has a thermal fuse and a thermal cut-off also. The thermal fuse is directly beside the thermistor(which I don't know it's function!), both mounted on the blower housing. The thermal cut-off is directly beside the thermostat, both mounted on the heater element box. The thermal FUSE is what I was replacing when I noticed that there were no wires attached to the thermal cut-off, and I could see no loose wires to which it might have been attached to before. But obviously the dryer has been running that way for some time, the repairman was out a few months ago for the "no heat" situation.

  • annechoranch Mar 14, 2009

    Thanks again, now I see where the thermal cut-off was bypassed, I checked it for continuity, and it was bad, so serviceman must have bypassed it for that reason. The thermostat is good, the thermal fuse is good, the element is bad, and I am wondering if the absence of the thermal cut-off has caused the element to go bad, or what bad things can happen if the machine is run without the thermal cut-off? TCO is located on the heater box next to thermostat,so it is exposed to high temps. What do you think?

  • John Aman
    John Aman May 11, 2010

    I don't suppose you've ever had this dryer serviced?

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I'd need to see the schematic for this dryer to be sure, but if what you are talking about is a thermal FUSE, it's a safety device, and would be inline with the thermostat. Considering that you say it's close to the thermostat, if the fuse blew, the serviceman could have just removed the wire from between the thermostat and fuse (say thermostat out to fuse in) taken the wire that was on the other side of the fuse (fuse out) and put it on the thermostat out instead - completing the circuit, and removing the fuse from the circuit altogether. A quick fix, but not a safe one. The fuse should be replaced.

Posted on Mar 13, 2009

  • John Aman
    John Aman Mar 14, 2009

    I would think there is another problem with the heating circuit in this dryer, which caused the thermal fuse to fail in the first place. Is the heating element in the dryer still good? Also, if you happen to have the schematics for this dryer, I'd love to see them - you can email them to me at johncaman@hotmail.com.

  • John Aman
    John Aman Mar 14, 2009

    Sorry, I missed the part about the element being bad - I would not replace it without replacing the thermal fuse, and even then, I don't know whether I would replace them both without being sure about the thermal cutoff and thermistor - I'd suspect the cutoff, first. I just don't want to see you waste your money replacing parts, just to have them blow again. Again, if you do have schematics (I wasn't successful finding them), please email.



    Good luck!



    John

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The thermal cut off is what cycles the heater,the thermal fuse is the fuse that pop if the heater get to hot,back in the day they never had thermal fuses to begin with,hope this helps-mike

Posted on Mar 13, 2009

  • MIKE major Mar 13, 2009

    forget about the blower box,it has a low temp. thermostat and the white thing is the main fuse,if you have no wires going to the thermal cut(located on the heater box) the dryer will run til it pops the thermal fuse(also on heater box or blows the main fuse on the blower box(white)you should have 2 red wires for the fuse and 2 red wires for the thermal cutout and 2 bottom wires 2 the heating element,they all run in a circuit,alot of the time repair guys just take the thermal fuse wires wire nut them together all charge you $60,not safe

  • MIKE major Mar 14, 2009

    yes,without the thermal cutoff the heating element can overheat and break the cutoff is more inportent then the thermal fuse

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