Kenwood K266 kitchen machine

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  • GraphicMan
    Senior Member
    • Aug 2018
    • 124
    • Egypt
    #1

    Kenwood K266 kitchen machine

    Device works randomly for 1 sec for every 20 trial
    so it is not really dead
    by removing the relay top and pushing its mechanism the motor works normally but ofcourse while bypassing the speed control
    I am not sure if the relay was the issue or something else
    I have a question, how this relay works when I cant see any 24vdc supply
    on the pcb to power it
    hope to hear from you guys
    here is video for how i bypassed the relay
    https://www.youtube.com/watch?v=nKZg_bcCrR8
    Attached Files
    Tags: None
    • lotas
      Badcaps Legend
      • Jan 2016
      • 4620
      • Russia
      #2
      Re: Kenwood K266 kitchen machine

      You have a transformerless power supply with a quenching capacitor, so measure the capacitance of this capacitor and if its capacitance has decreased, then replace it with the same one.
      Attached Files

        Comment

        • GraphicMan
          Senior Member
          • Aug 2018
          • 124
          • Egypt
          #3
          Re: Kenwood K266 kitchen machine

          Originally posted by lotas
          You have a transformerless power supply with a quenching capacitor, so measure the capacitance of this capacitor and if its capacitance has decreased, then replace it with the same one.
          very true and i have already tested that cap outside the pcb and it is actually giving me about 2 times its rating, any idea what does that mean?
          the cap looks good btw
          thank you

            Comment

            • stj
              Great Sage 齊天大聖
              • Dec 2009
              • 31055
              • Albion
              #4
              Re: Kenwood K266 kitchen machine

              double the rated value is a false reading caused by internal electrical leakage between the plates.
              the caps bad and it's tricking the meter.

              a meter designed for the job would show uF, ESR, and Leakage,
              the uF would still be shown wrong, but the Leakage would show up.

                Comment

                • GraphicMan
                  Senior Member
                  • Aug 2018
                  • 124
                  • Egypt
                  #5
                  Re: Kenwood K266 kitchen machine

                  Originally posted by stj
                  double the rated value is a false reading caused by internal electrical leakage between the plates.
                  the caps bad and it's tricking the meter.

                  a meter designed for the job would show uF, ESR, and Leakage,
                  the uF would still be shown wrong, but the Leakage would show up.
                  ok I will replace it and let you know how it went
                  thank you very much for your support

                    Comment

                    • GraphicMan
                      Senior Member
                      • Aug 2018
                      • 124
                      • Egypt
                      #6
                      Re: Kenwood K266 kitchen machine

                      thank you so much, worked perfectly by replacing the cap))

                        Comment

                        • lotas
                          Badcaps Legend
                          • Jan 2016
                          • 4620
                          • Russia
                          #7
                          Re: Kenwood K266 kitchen machine

                          Congratulations, it would be nice to replace another relay.

                            Comment

                            • GraphicMan
                              Senior Member
                              • Aug 2018
                              • 124
                              • Egypt
                              #8
                              Re: Kenwood K266 kitchen machine

                              Originally posted by lotas
                              Congratulations, it would be nice to replace another relay.
                              yup already got one also
                              thank you guys, you are really life savers

                                Comment

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