Any ideas what this is?

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  • August 6, 2014 at 5:10 pm #81744
    Jimathey
    Participant

    See Photo…

    This is on the back of my oven (Smeg SUK92MBL5), is it a Thermal Cut Out? I have tested the part and I am not getting continuity through it. I have removed it and (bizarrely in my opinion) – my oven works even with both ends of this taped up separately.

    It has the following numbers on it:
    On the top W (red dot) 14/10
    On the side Z43KE070FD

    I’ve contacted Smeg (they’ve gone away to think about it) and I’ve googled the life out of the numbers and cannot find one.

    If you can think of what it might be, can you think of a way to find a suitable replacement.

    This makes me doubt it is a TCO, but I think it might have given me a leak to neutral judging by the fact I had live power both sides of my element when it was in the on position. Any thoughts on that?

    August 6, 2014 at 5:17 pm #417566
    Jimathey
    Participant

    Re: Any ideas what this is?

    http://shop.ukwhitegoods.co.uk/81873055 … thermostat

    This is very similar, but has the wrong number on it.

    W (Yellow Dot)
    06/08

    I guess this matters???

    August 6, 2014 at 5:26 pm #417567
    Dales-Electronic
    Moderator

    Re: Any ideas what this is?

    Remember thermal cut-outs can operate both ways ie normally closed opening on temperature rise, or normally open closing on temperature rise. What is it connected to? Is it by chance controlling the fan unit used to keep a digital timer cool?

    August 6, 2014 at 5:33 pm #417568
    Jimathey
    Participant

    Re: Any ideas what this is?

    Thanks for your reply…

    I didn’t know that I always thought of them like a fuse. I live and learn…

    It’s right at the back inbetween the two ovens, so I doubt it’s protecting the timer. Still there being no continuity through it and removal seemingly fixing it would suggest it’s buggered.

    August 6, 2014 at 9:07 pm #417569
    philfish
    Participant

    Re: Any ideas what this is?

    Think you might be missing the point, it might be a “cutting in toc” to bring the cooling fan on at a set temperature to keep the timer/ knobs/ fascia/workings etc cool and then cuts the cooling fan back out when temp falls to a safer limit.
    Or as you say it could be a normal toc but if your right, why as it overheated to such a degree it took out the toc? That would need checking. Bit like a fuse blowing something makes it do it they don’t just go.
    If you’ve got a live to both sides of the element you’ve got a problem somewhere, there should only be live and neutral and of course the earth. Not two lives on a single element.
    Where do the wires trace back to on the toc?

    Phil

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