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treadmilltech, Technician
Category: Exercise Equipment
Satisfied Customers: 5645
Experience:  20+ years experience repairing exercise equipment with emphasis on Nordictrack/Proform and Horizon
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nordictrack sl 720 shows changed resistance on the display,

Resolved Question:

nordictrack sl 720 shows changed resistance on the display, but pedal resistance doesn't change. stays in 3 or so
Submitted: 6 years ago.
Category: Exercise Equipment
Expert:  treadmilltech replied 6 years ago.
Remove the plastic shields and locate the tension motor. You can test the motor, by using a 9 volt battery - attach a wire to positive and negative side then touch the yellow and blue wires of the motor- let it run til it stops and then switch the wires around and let it run the other way. If it works both ways the motor is good. Then test the harness for continuity from the console to the motor. You will need to use a volt meter to check the continuity. If the wires check ok you will need to check the voltage being supplied by the console through the blue and yellow wires when the tension buttons are pressed - it should be approx 6 vdc. If there is no voltage the console is defective and will need replaced.
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