Smeg Oven HELP! SUK91MFX5 – Fan Assisted Oven Not Heating.

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  • April 26, 2022 at 2:25 pm #100771
    strongs_uk
    Participant

    Hi I was wondering if someone could assist.

    Our fan oven has stopped heating. The grill works fine just not the oven.

    Things I’ve tested and noted…

    > BOTH fans are working

    > BOTH oven elements are not heating

    > BOTH oven elements tested OK with a digital multimeter so elements not at fault.

    > NO POWER going to elements tested with DMM

    > Selector switches tested working fine.

    After some research I believe the fault to be either with the relay ‘control’ PCB. (I’ve reflowed the solder on the PCB to no avail so possibly need a new PCB which is readily available here:
    https://shop.ukwhitegoods.co.uk/8116…-control-board

    OR

    The safety thermostat which is labelled ‘Campini Ty 62-A’ (180c) and is looking rather BROWN & TOASTY
    Here: https://shop.ukwhitegoods.co.uk/8187…out-thermostat

    Please can anyone chime in with which is likely to be the culprit.

    I need to get this fixed asap.

    Thank you

    Scott

    April 26, 2022 at 4:20 pm #482167
    strongs_uk
    Participant

    Updated original post with more info.

    April 26, 2022 at 4:20 pm #482168
    kaibart
    Moderator

    At the back of the oven there will be a small pcb thatbis probably faulty as that is where the power comes from to the elements

    April 26, 2022 at 4:24 pm #482169
    strongs_uk
    Participant

    kaibart wrote:At the back of the oven there will be a small pcb thatbis probably faulty as that is where the power comes from to the elements

    Yes that would be the control board mentioned in my original post. So you think it is likely that rather than the safety thermostat?

    April 26, 2022 at 5:55 pm #482170
    electrofix
    Moderator

    you should be able to check continuity on the safety thermostat with your meter

    Dave

    May 3, 2022 at 1:34 pm #482171
    strongs_uk
    Participant

    For closure purposes I can confirm it was the relay PCB that was faulty. The new PCB arrived today from UK White Goods which I installed and jobs a good-un.

    This: https://shop.ukwhitegoods.co.uk/811650197-oven-electronic-control-board

    May 3, 2022 at 6:16 pm #482172
    kaibart
    Moderator

    So I pointed you in the right direction I’ve changed a few good glad it’s working

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