Bsh WFO2866GB/07 FD8409 – cuts out during spin

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  • #78144
    twicknix
    Participant

    This machine got unusual fault, unusual to me though.

    Insulation is 672mohms
    Brushes are fine
    Machine is 9 years old, very lightly used. First breakdown since new.

    Basically when it spins, drain pump kicks in and drum rotates, when it speeds up the machine cuts out and went blank.

    Can’t work out what’s the problem. Board looks clean, wirings looks intact. Something to do with increasing speed caused to cut out. Am I looking at dodgy board or faulty motor?

    #404645
    Martin
    Participant

    Re: Bsh WFO2866GB/07 FD8409 – cuts out during spin

    The low insulation is the problem, period.

    #404646
    twicknix
    Participant

    Bsh WFO2866GB/07 FD8409 – cuts out during spin

    On the motor?

    Odd to call 672 mohms low insulation. Maybe need new brushes and good clean?

    #404647
    Martin
    Participant

    Re: Bsh WFO2866GB/07 FD8409 – cuts out during spin

    Yep, any trance of an earth leak on the motor can cause issues like this.

    #404648
    twicknix
    Participant

    Re: Bsh WFO2866GB/07 FD8409 – cuts out during spin

    Even the machine switched itself off during the spin? Just that it’s not usual fault I’ve encountered.

    I even gave the motor a clean and the brushes are fine as they are original with plenty of life left. This still happens. Will check it out on Monday.

    #404649
    Martin
    Participant

    Re: Bsh WFO2866GB/07 FD8409 – cuts out during spin

    We can’t rule out a connection fault between the display and main board I guess?

    #404650
    twicknix
    Participant

    Re: Bsh WFO2866GB/07 FD8409 – cuts out during spin

    Has it been known for machine to switch itself off? This one lights up then during spin attempting to speed up, it turned itself off – lights out – dead but still works after you select the knob back to off and move to another program – it wakes up. The machine even went along with the changes during the cycle, such as if you select cotton wash 40deg (it fills, washes) then move the knob to drain or even to spin – it jumps to that actual program straightaway without pause. It behaved like the old 1980’s hotpoint timer machine which was why I was puzzled.

    Originally I thought it was the board fault, but it kept nagging me that I must have missed something. Hopefully when I get to look again on Monday, it may become clear with my conscience eased or put right. The start button wouldn’t even allow me to pause or reset the machine which led me thinking board issues. Perhaps I got mixed up with the newer machines?

    Sorry about the amount of questions, like I said it was very unusual for me to come across it, the worse thing was I wrote the machine off as I couldn’t find any other possible cause to the fault. In the end the owner bought a new machine – after all she felt that 9 years of service was good.

    I now have the machine in my hands and I have another person who might be interested in the machine once I have fixed it up (if I can do it without replacing the motor or board otherwise it’s scrap) to replace his noisy indesit washer dryer (the bearings on its way out).

    #404651
    Hollytree_Technical
    Participant

    Re: Bsh WFO2866GB/07 FD8409 – cuts out during spin

    Makes me think that there may be a fault in the switch mode power supply section of the circuit – may even be the SMPS chip cutting out quickly.

    Jem

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