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  • Welcome to our site! Electro Tech is an online community (with over 170,000 members) who enjoy talking about and building electronic circuits, projects and gadgets. To participate you need to register. Registration is free. Click here to register now.

Recent content by Bob S.

  1. B

    Pfaff Sewing Machine Foot Pedals

    Thanks Mike for the quick reply. The foot pedal (3 wire potentiometer) does not control it very well but there may be some issues with the motor control board. There is a blown paper capacitor on the board. I ordered a new capacitor from Digi-key as well as a 150k potentiometer and will try...
  2. B

    Pfaff Sewing Machine Foot Pedals

    On a previous thread ( Control Pedal Issue) Pfaff 1222 sewing machine foot pedals were discussed. It was determined that the proper foot pedal used a 20K potentiometer. I also have a Pfaff 1222 but an earlier version. No one seems to know what value potentiometer is needed in the foot pedal...
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    Pfaff Control Pedal Issue

    Sorry for the infraction. I didn't mean to "hijack" someone else's thread. I am new at this game. Can you move it for me or show me how I can erase it and start all over again.
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    Pfaff Control Pedal Issue

    I purchased Pfaff 1221 and 1222 machines on E-bay without foot pedals. I think the proper foot pedal is AT 0001 for both these machines. Since most of the motor controller electronics are inside the machine, all there is in the foot pedal is a potentiometer. The later Pfaff 1221's and 1222's...

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