• Unold Backmeister difficult to switch on

    From Wu Ming@wu.ming2@icloud.com to sci.electronics.repair on Sun Mar 1 09:21:20 2026
    From Newsgroup: sci.electronics.repair

    Hello,

    Bought second hand one year ago but according to serial code plaque
    fabricated 11 years ago. My bread making Unold 8695 delivered good bread
    for more than one year now.

    Beginning with last week begun not switching on immediately. One minute
    delay became one hour today. Text on the small display is clearly dimmed.
    Last week reset itself twice along the program. Eventually being able to complete.

    Producer amazingly has a spare rCLpower control boardrCY. But sales ended in 2020 and part may be even older. I am not sure it would solve.

    I was thinking it may be an old capacitor. But I am not very good at electronics. Suggestions? Thanks for sharing.
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  • From Chuck@chuck23@dejanews.net to sci.electronics.repair on Sun Mar 1 10:15:25 2026
    From Newsgroup: sci.electronics.repair

    On Sun, 1 Mar 2026 09:21:20 -0000 (UTC), Wu Ming <wu.ming2@icloud.com
    wrote:

    Hello,

    Bought second hand one year ago but according to serial code plaque >fabricated 11 years ago. My bread making Unold 8695 delivered good bread
    for more than one year now.

    Beginning with last week begun not switching on immediately. One minute
    delay became one hour today. Text on the small display is clearly dimmed. >Last week reset itself twice along the program. Eventually being able to >complete.

    Producer amazingly has a spare rCLpower control boardrCY. But sales ended in >2020 and part may be even older. I am not sure it would solve.

    I was thinking it may be an old capacitor. But I am not very good at >electronics. Suggestions? Thanks for sharing.
    Probably one or more electrolytic capacitors. Do you have an ESR
    meter?
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  • From Wu Ming@wu.ming2@icloud.com to sci.electronics.repair on Mon Mar 2 02:10:08 2026
    From Newsgroup: sci.electronics.repair

    Chuck <chuck23@dejanews.net> wrote:
    On Sun, 1 Mar 2026 09:21:20 -0000 (UTC), Wu Ming <wu.ming2@icloud.com
    wrote:

    Hello,

    Bought second hand one year ago but according to serial code plaque
    fabricated 11 years ago. My bread making Unold 8695 delivered good bread
    for more than one year now.

    Beginning with last week begun not switching on immediately. One minute
    delay became one hour today. Text on the small display is clearly dimmed.
    Last week reset itself twice along the program. Eventually being able to
    complete.

    Producer amazingly has a spare rCLpower control boardrCY. But sales ended in >> 2020 and part may be even older. I am not sure it would solve.

    I was thinking it may be an old capacitor. But I am not very good at
    electronics. Suggestions? Thanks for sharing.
    Probably one or more electrolytic capacitors. Do you have an ESR
    meter?


    Unfortunately I do not have an ESR meter available. I know a hw repair shop though. One limitation I could foresee for who may help to assess is
    control board is not easily accessible. Could be seen here: https://youtu.be/0L87CWmkXCI

    I actually used the video above as guide to replace the transmission belt
    of this machine before. It was obviously not designed for easy disassemble. Most painful part is re-assembling it.

    Few more tidbits. Yesterday I kept the machine connected to the mains for
    two hours before actually using it. One hour and it finally went on. One
    more I loaded it and went through the program without a hitch. This unlike
    the previous occasion when I operated it only minutes after switching on
    and had to be re-started twice.

    Also I mentioned yesterday text on the small display was quite faint right after switching on. It was sharper and easily read by the end of the
    program.
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