Liz Tuddenham  wrote:   
   > Wu Ming  wrote:   
   >   
   >> Liz Tuddenham  wrote:   
   >>> Wu Ming  wrote:   
   >>>   
   >>>> Chuck  wrote:   
   >>>>> On Sun, 1 Mar 2026 09:21:20 -0000 (UTC), Wu Ming >>>>> 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 “power control    
   oard”. 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?   
   >>>>>   
   >>>>   
   >>>> What is the useful shelf life of electrolytic capacitors?   
   >>>   
   >>> Sorry this isn't more helpful but - it varies from manufacturer to   
   >>> manufacturer, from type to type and from application to application.   
   >>> Sometimes their working life is specified at certain temperatures, but   
   >>> the relevant literature is not always available and shelf life is hardly   
   >>> ever mentioned..   
   >>>   
   >>> A capacitor that might last indefinitely as a decoupler in a pre-amp   
   >>> could fail rapidly if it were in a power supply with high pulse   
   >>> currents.  Even if it started to fail, as a pre-amp decoupler it could   
   >>> degrade quite badly before any drop in performance would be noticed,   
   >>> whereas, in other parts of the circuit, any leakage would result in   
   >>> "noisy pots" or some other very obvious symptoms.   
   >>>   
   >>> Furthermore, a manufacturer with a good reputation might have an   
   >>> occasional dud batch or may be take over by bean-counters and start   
   >>> producing 'value-engineered' rubbish without any visual change in the   
   >>> product.  It would only be much later, when things began to go wrong,   
   >>> that their reputation would be lost (and by then the bean-counters would   
   >>> all be retired with fat pensions).   
   >>>   
   >>>   
   >>   
   >> Well written and thanks.   
   >>   
   >> Any hint from my previous posts about why I am experiencing described   
   >> faults? Delay at powering on expanded from a minute to an hour after only   
   >> two use cycles.   
   >   
   > I am not familiar with the product but that time-scale suggests   
   > something like a memory battery or super-capacitor needing to charge up.   
   > Does it have a memory battery?   
   >   
   > If it hasn't got a battery, then a failed electrolytic capacitor would   
   > definitely be my next suggestion.   
   >   
   >   
      
   It does have a memory battery to store custom program settings. To my   
   surprise it didn’t fail so my settings were retained. What changed instead   
   is the power up - not instantaneous anymore - the text on the small   
   segmented display - faint after switching on, less so later - and   
   occasional resets along the program - happened twice the same day but not   
   the next day when power up was much earlier than program start.   
      
   --- SoupGate-Win32 v1.05   
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