Question about Smoothfitness Smooth 5.45 Folding Treadmill

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Smoothfitness 7.1hr would not run

"MY SMOOTHFITNESS 7 1HR POWERS UP the diplay BUT it WOULD NOT SPIN. I push on all buttons but LCD does not change"

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Sounds like the motor is stuck or bad. Get into the front panel near the roller and remove that cover and check it with a volt meter

Posted on May 16, 2009


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Belt don't move

you may have to adjust tension notch at a time and see if it makes any difference.

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I have a Smoothfitness 5.65 and the speed readout kicke to EO1 and the machine stops

please read this steps and fix it. see the diagram attached. God bless you
ERR1 indicates a speed issue. In this case, the motor speed as reported from the optic sensor differs
from the speed setting.
Analysis: Optic sensor signal issue -- Either the optic sensor signal is not right, or it is read incorrectly, or
the signal is not reaching the display.e0ce916a-e304-4e53-8fb8-a0843b056ce9.gif

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I need a wiring diagram for a smooth fitness 5.45

You should find one in the free manual you can download at

Nov 05, 2011 | Smoothfitness Smooth 5.45 Folding...

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Need wiring diagram for a smooth 5.45 treadmill





Oct 08, 2011 | Smoothfitness Smooth 5.45 Folding...

1 Answer

I have a Smooth FItness 9.15 treadmill. The electronics control seem to quit working in the middle of a run-the treadmill was running, but was not responding to pressing the various keys. By pulling out...

Good Afternoon

For better assistance please feel free to contact one of our technical advisors as soon as possible regarding your question.. we are always happy to assist you! Also, a service representative can be reached via email @ or by calling 1-888-800-1167ext 2 Monday thru Thursday 9am -8pm EST and Fridays 9am-6pm EST. Thank you

Smooth Fitness Customer Support

780 5th Avenue, Suite 200

King of Prussia, PA 19406

1-888-800-1167 :

Dec 27, 2010 | Computers & Internet

1 Answer

I borrowed evo treadmill 500i, but dont have the safety key for it is there any way of starting it? i have no idea where the key is to be inserted either.

Maybe it uses a magnet, like mine does. Are there any conspicuous places on the front that you might think a magnet may be placed? Mine is on the lower front left side and has a square, pushed in molding in the plastic where the magnet sits.

Nov 23, 2010 | Smoothfitness Smooth EVO Treadmill Safety...

1 Answer

My smoothfitness 5.25 treadmill is stuck in the

Unplug your unit take the motor shroud off and you will see a circuit board (Motor Control Board) their should be L E D s on the board. Now plug your unit in and you will see these light up if you have a second pair of hands that can help you have them press you incline controls.

You should see one of these L E D s light up followed with a click of a relay this activate the incline motor some of these boards will have a 3 amp fuse to protect the board from damage , if you see a open fuse replace it with the same exact fuse. If it blows again either you have a shorted armature winding or the worm screw is frozen. I would call Smooth Fitness, depending wiether this was made by either Sports Art Fitness or Keys Finess they will direct you to theproper parties.

Mar 11, 2010 | Smoothfitness Exercise & Fitness

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