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 board”. 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.   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)