Electrolux ERN3420 Larder fridge thermostat location

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  • September 18, 2016 at 11:16 am #89330
    Larso
    Participant

    Hi, I have an integrated electrolux larder fridge ern3420 p/n 923800711. The complete back wall is freezing over. The display shows what looks like a small zero, error code. Im trying to locate the thermostat to see if theres any obvious fault with it. Can someone tell where/how I can locate the thermostat please?

    Thanks

    Rich

    September 18, 2016 at 9:10 pm #441060
    captaincaveman1
    Participant

    Re: Electrolux ERN3420 Larder fridge thermostat location

    This model has no thermostat it is electronic controlled . When a small square is in the display this indicate’s one of the NTC sensors has failed (these are what send the temperature’s to the main control board) but equally it could be the main control board itself.

    September 19, 2016 at 8:42 am #441061
    Larso
    Participant

    Re: Electrolux ERN3420 Larder fridge thermostat location

    Thanks Captaincaveman. Where do I locate the NTC sensors?

    September 19, 2016 at 10:53 am #441062
    kwatt
    Keymaster

    Re: Electrolux ERN3420 Larder fridge thermostat location

    The parts info doesn’t show you where they are in the fridge but, they’re all connected to one block running from the back of the control board by the look of it and they all come as one item.

    K.

    September 19, 2016 at 10:13 pm #441063
    Larso
    Participant

    Re: Electrolux ERN3420 Larder fridge thermostat location

    Thanks Kwatt. Yes I found the header that connects the NTC loom to the PCB. I’ll see if I can verify if the individual NTCs are good or not with a multimeter. Any suggestion as to what my meter should read is welcome? I’m hoping a faulty unit will show open or closed CCT.

    Thanks

    September 19, 2016 at 11:15 pm #441064
    kwatt
    Keymaster

    Re: Electrolux ERN3420 Larder fridge thermostat location

    Nope, resistance changes on temp changes…

    http://www.ukwhitegoods.co.uk/help/fix- … hermistors

    K.

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