Tumble dryer element resistance

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  • July 13, 2009 at 1:14 pm #47013
    br0ke
    Participant

    I have a Electra (Creda) 37664v reversair tumble dryer that trips the house RCD when turned on.

    I took the back off and the element was in poor shape. I disconnected it and the unit works OK (with no heating). I ordered a new element, fitted it and the unit still blows the trip.

    I have drawn and the wiring schematic but cannot add a picture for some reason.

    My real concern is that the new element has only got 23ohms resistance across each of the twin elements. I would have thought this should be much higher. My multimeter is calibrated and I have no reason to suspect it.

    Any thoughts much appreciated

    July 14, 2009 at 10:47 am #291943
    br0ke
    Participant

    Re: Tumble dryer element resistance

    I’ll answer my own question in case anyone does a seach for this.

    Yes, the resistance will be between 23 and 40 ohms.

    I eventually traced the fault to a thermistor shorting to earth when power was applied. Bit of a bugger to find because it would trip out as soon as the power was applied to the element and tested Ok when no power.

    July 14, 2009 at 4:21 pm #291944
    iadom
    Moderator

    Re: Tumble dryer element resistance

    Which thermistor is that then. 😕

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