Bosch oven cooling fan comes on / stays on at random

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  • #100794
    GJH
    Participant

    I have a 3 year old Bosch double oven. The oven works normally but the cooling fan comes on at random when not required, and can stay on for many hours. We therefore now have to turn off the power to the oven whenever not using it.
    Oven model number: MBS533BS0B/01
    Can you advise which part(s) I likely need to replace?

    #482243
    SWERV
    Participant

    I had this fault several months ago. It was a customers oven and the cooling fan for the top oven would come on at random times. Sometimes in the middle of the night and stay on for hours.
    I was advised to replace the NTC sensor repair set as it had been modified. The part number was 10011733 from Bosch. If you look on the Bosch spares diagram for that model, it is item 1046.
    It may be what is at fault, can’t say for definite.
    Remember to switch the power off if you are investigating.

    Mervin

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