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How to use a potentiometer with this treadmill motor and speed controller? Answered

Hi everyone

I found this forum after doing a lot of searching on controlling the speed on a treadmill motor without using the big bulky digital display unit that sits on top of the treadmill. I bought a really nice Nordic Track for 10 dollars on Craigslist and I thought I would be able to figure out how to do this but apparently I was wrong.

I have seen a lot of material regarding the MC-60 speed controller unit but nothing about the speed controller that came on the treadmill that I bought which was the MC-2100 Rev B.

I will attach a couple of pictures of the board and specifically the wires coming from the display unit that go into the board. I have a 5k pot but I really dont know what to do with it and I am afraid to just start experimenting because I dont want to burn up the motor or the board. I would be happy to post any other pictures or add any other information that might be of help if anyone asks for it.

Of course I would like to turn this little project into a lathe if I can ever get everything sorted out. btw the motor is a 2.25 hp cont duty.

If the potentiometer wont work, I would love to hear about other ideas to be able to control the speed using this board and motor.

Thanks everyone

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