Bosch F/Freezer fault code

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  • #14193
    Colin T
    Participant

    Can anyone help with E2 fault code on Bosch KGU3201.
    Many thanks
    Colin

    #158527
    gegsy
    Participant

    Re: Bosch F/Freezer fault code

    Hi Colin
    Freezer compartment sensor failure


    Greg

    #158528
    Colin T
    Participant

    Re: Bosch F/Freezer fault code

    Thanks Greg, now I know it’s easy to say I thought so, but I know E1 is Fridge sensor but the freezer is the only bit thats working ok, the fridge is not working, no voltage down to solonoid valve, you think freezer sesor would cause that?

    Colin

    #158529
    gegsy
    Participant

    Re: Bosch F/Freezer fault code

    Hi
    I wouldnt have thought so, could be a sticking diverter valve or module problem.

    Greg

    #158530
    Colin T
    Participant

    Re: Bosch F/Freezer fault code

    Thanks again Greg, this customer is someone I know, and back in the summer he said that the fridge was freezing intermitantly, corrected when switched off and defrosted, I said then could be sticking valve and give it a tap when fault on fridge to prove it, and would change if fault could be seen when I was there, not happend since and got call other day with this E2 fault. I’m sure pcb because of no voltage to valve, but could be a valve fault (and sensor?) after that. Christ nows where we should go from here.
    Sorry for long post
    Thanks again

    Colin

    #158531
    superfix
    Participant

    Re: Bosch F/Freezer fault code

    E2 is sensor fault.

    Replace pcb to cure fault. New pcb has revamped logic which I believe bypasses faulty sensor.

    #158532
    Colin T
    Participant

    Re: Bosch F/Freezer fault code

    Thanks to you both, I’ll start with pcb and post results.

    Cheers
    Colin

    #158533
    BSH-MAN
    Participant

    Re: Bosch F/Freezer fault code

    Colin T wrote:Thanks Greg, now I know it’s easy to say I thought so, but I know E1 is Fridge sensor but the freezer is the only bit thats working ok, the fridge is not working, no voltage down to solonoid valve, you think freezer sesor would cause that?

    Colin

    Diverter valve is D.C.
    😉

    #158534
    Colin T
    Participant

    Re: Bosch F/Freezer fault code

    Although I have taken a voltage reading on one before I can’t remember what it was but quite high if my memory serves me.
    Do you know what voltage should be
    Thanks
    Colin

    #158535
    BSH-MAN
    Participant

    Re: Bosch F/Freezer fault code

    Colin T wrote:Although I have taken a voltage reading on one before I can’t remember what it was but quite high if my memory serves me.
    Do you know what voltage should be
    Thanks
    Colin

    About 350V D.C. IIRC
    There will only be voltage for a short time as the valve is pulsed and the polarity will reverse as the valve is activated. :lesson:
    All for future reference, as Boro has your answer.
    🙂

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