Question about Proform Exercise & Fitness

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I have a Proform 545s treadmill with incline and with ifit. When i start the treadmill it will no longer attain the programed speed. The higher the speed programed the fast the treadmill will go; however, it will no get up to speed. What might this be? I bought the treadmill secod-hand. Wheni bought it about 8 months ago, it ran well; however, at higher speeds, after prolonged use, i thought the motor was causing an odor--the smell of a motor burning up. I reduced my speeds but as i have said it will no longer reach the programed speed Steven

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  • imsg63 Mar 21, 2011

    Before i can accept this repair. How do i test the Motor-Control-Board. I cannot replace a part just because of a symtom. It is a good place to start. I would need to know how to test this part.

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I have a proform 545s as well and it would light up when pluged in but you could not use the speed settings at all. i figured out how to fix it just by tinkering around with it. i removed the back cover on the programer up top and exposed the circiut board. there is are 2 ribbon like sets of wires that come from the speed controler. the plug into the circuit board with a whit clip. pop loose the white clip on both of there and you will see a series of prongs that come in contact with the ribbon. using a small flat head screwdriver you must bend these prongs in slightly to close the gap between the two. it took me a couple tries to bend them enough to make contact again. i tried it and to my surprise it works great. the fan still is not working but i am trying to trouble shoot that now. hope this helps you....

Posted on Dec 15, 2011

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Hi

Turn off the treadmill and unplug it from the electrical outlet or surge protector. Remove the motor cover with your screwdriver by removing any screws. Refer to your treadmill manual because the location of the motor cover and the number of screws varies per model.

Detach any wires that are connected to the control board but leave them connected to the treadmill. Make sure the LED on the control board is off before removing wires carefully with your hands. Your treadmill may contain wires such as elevation wires, on/off connections, motor wires and sensor wires, but refer to your treadmill manual for all the wires to detach because models vary for the number and type of wires connected to the control board. Remove the control board.

Clean the inside of any dust with the can of compressed air because dust can cause issues with the treadmill. Install the new control board. Reconnect all the wires and screws to the new control board. Install the motor cover back in its place with all the needed screws.

Recalibrate the treadmill per the manual. Treadmill calibration is when you accurately register the incline and speed feedback of your treadmill. This should be done every time you replace your control board or motor.

Check this link for the manual:-

http://dl.owneriq.net/e/e53fb58f-9b1d-49c4-8c5f-a6841837cae1.pdf

Please get back to us if you have further query else please accept the suggestion.

Thank you for contacting fixya.com

Posted on Mar 21, 2011

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It sounds a lot like it might be your Motor Control Board. You can find one used on varios websites (ebay if you're lucky). I found one for $149.00 on the following website:

http://www.treadmilldoctor.com/PROFORM-545S-TREADMILL-Motor-Control-Board

I hope you got a good deal on it because it seems to be quite an expensive part.

Thanks and good luck!

Posted on Mar 21, 2011

  • ezdoesit2
    ezdoesit2 Mar 21, 2011

    Some voltage checks will need to be made to determine if the console or the motor controller is causing the problem.

    I am sending you a wiring schematic of the treadmill that will show you where to test.

    To test the voltage you must put the treadmill in the calibration mode. The console might beep at you while you are testing. You must let it beep, it won't damage anything. I am sending you the instructions for putting the treadmill into the calibration mode.

    After you have calibrated the console on the treadmill, put it into calibration mode and push stop 2 times and press speed up but don't go to 85%. With the motor hood removed test the voltage between the black and blue wires. If you have the voltage there and the motor is not running, the motor controller is bad.

    If you have no voltage on black and blue, remove the console and test the voltage between black and blue at the console. Leave all connectors connected for testing. If you don't have the voltage at the console, the console is bad. If you have the voltage at the console, the wire harness between the console and the controller are bad.
    http://media.fotki.com/1_p,wgdqqdbwgrftw...
    http://media.fotki.com/1_p,wgdqqdbbwgdgf...
    http://media.fotki.com/1_p,wgtsgfqqgswwr...

    Thanks and good luck!

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