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Kenmore Gas Dryer (110 70956990) - cycles but no flame comes on - does not receive voltage to flame sys - only found one open at first sensor to right of fan cage in duct(In-RedWire Out-RedWhtWire with one inch betw terminals) RedWhtOutput line feeds to sensor above flame discharge cover.(have no schm). Had already checked coils, glo-bar, & all other sensors & switches. This line obviously feeds thru to the Flame Thermal Sensor and would interupt the 110vac flowing to flame sys. I do not believe an open here is normal but with no shematic and even less experience I need some help. There are two sensors on this Output Air Duct - one is open & other closed. I would have to pay & wait for a manual - rather get expert advise - faster Dan

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  • Danny Yates Apr 30, 2008

    I pulled out hte suspected component and found adequate info on the part to determine for sure it was a thermal fuse.

    Microtemp Kenmore DryerThermal Fuse 3390719

    and it is open

    I will replace it and check for any other damage

    I also got a reply but had checked on that page before and there was more general information about various problems - these could all be helpful but not directly to troubleshooting this particular electrical circuit. Thank you Dan

  • Danny Yates Apr 30, 2008

    I had already discovered the problem because I was finally able to remove the component and research p/n on it. The applianceaid site you suggested does mention that some dryers have a thermal fuse as one of several items to check. I needed to know for sure if this component I was testing was indeed a thermal fuse. I needed a schematic or someone to describe the part or a location to settle it for me.

    This was a good reply and would have greatly aided me in troubleshooting and would have strengthened my exsisting suspicion of an open thermal fuse, especially because of its placement in the wiring trace I had done.

    If there is any reason beside the age that may have caused this fuse to fail. Please let me know from your experience since I wll have to wait to receive the part rather than jump test it. Thank you Dan



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The termal fuse normally blows for overheating, not for ageing. Replace termal fuse, if the problem comes back have your dryer inspected by a profesional.
Gas dryers can become dangerous appliances if not maintained and tested regularly.
I would recommend having a profesional check up done on dryer, particularly if fuse blows again.
Replace fuse with original part, in no case try to bypass it.


Posted on Apr 30, 2008

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