Question about Bowflex Treadmill Series 7

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Rhythmic thumping noise with increased speed

Brand new treadmill, just set it up. When you increase the speed greater at 1.5mph, you hear a thumping noise towards the back of the treadmill, very rhythmic in sound, similar to sound of a heartbeat just louder. treadmill has been calibrated and passed, but sound remains and if you increase speed higher, sound remains just occurs more often but carries same rhythm.

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  • Anonymous Mar 18, 2014

    i have fitted a new belt to my treadmill and have lubed bearings as best i can and when at walking speed its fine but when increase speed it whines quiet loud

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The problem is the rear roller has a bad bearing and needs to be replaced

Posted on Mar 16, 2009

  • medalwinner Dec 13, 2010

    Not correct, they all make this sound (we have installed hundred's). The belt is brand new, just use the unit, by hour 50 it will be gone. Do NOT tighten the belt to reduce the noise, it will prematurely burn up the motor.

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1 Answer

The belt won't start on my treadmill. the speed is already at 0.5 when you turn it on instead of zero. everything starts going and speed can be increased but belt doesn't move......


Hi there, I think I can help. Now depending on model year the Horizon T500 can use a couple different motor control boards, most all of which are fixed at jatinah electronics which you can find with a Google search. It sounds like a failed control board fixed for 99 or less and exchanges available with returned cores. Good luck

Feb 04, 2015 | Horizon T500 Treadmill Walking Belt

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9.31 precor error 26 and loud noise


Precor Error Code 26 Error Code: 26 Manufacturer: Precor
Model: All Models
Error Description: Error 26, Motor Pulse Width Incorrect - Observation of the speed sensor signal and verification the signal from the speed sensor is appropriate for the requested speed. If an incorrect or erratic speed sensor signal is detected the error appears. Possible Reason:
  1. The line of sight between the speed sensor and the speed sensor target is obstructed.
  2. Incorrect gap between the speed sensor and the speed sensor target.
  3. Incorrect adjustment of the speed sensor potentiometer (when equipped).
  4. Damaged speed sensor target.
Recommended Action:
  1. Using a static safe vacuum cleaner, carefully vacuum out the drive motor compartment. Be sure to thoroughly clean the area between the speed sensor and the speed sensor target.
  2. Inspect the gap of the speed sensor to the speed sensor target. Proper gap is 3/16" and the speed sensor photo eye should be aimed at the larger portion of the targets wedge shaped section. If unit has a magnetic speed sensor, the gap between the end of the sensor and the flywheel tooth needs to be 3/16".
  3. Locate the speed sensor potentiometer (when equipped) on the lower PCA. Set the speed sensor potentiometer to mid-range. Start the treadmill and increase speed to 6 mph. Carefully adjust the speed sensor potentiometer until the treadmill is operating the smoothest. Increase the speed to full speed and again adjust the speed sensor potentiometer until the treadmill is operating the smoothest. These two adjustments are typically small and are generally only a matter of fine tuning.
  4. Inspect the speed sensor target for any scratches or tears that could cause incorrect readings. Replace the speed sensor target if
Precor Error Code 26

Jan 25, 2014 | Dmm Vision Fitness T9500 Treadmill

1 Answer

X3 goes faster that set speed on incline


Run the software calibration for easy diagnostic and fix it.
God bless you

Jul 09, 2013 | Treadmills

1 Answer

On power up the treadmills slowest speed is 8 klm's/hr, it can be increased to over 16 klm's/hr, but then only lowered to 8 klm's, which is to fast and dangerous to step straight onto. Is


ADJUST THE SPEED SENSOR , SEE THE DIAGRAM ATTACHED, CLEAN, AND TIGH THE CONNECTOR WIRES.

2) RUN THE SOFTWARE CALIBRATION FOR DIAGNOSE , TROUBLESHOOTING, AND FIX IT.

SINCERELY. GOD BLESS YOU
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Apr 28, 2012 | Treadmills

1 Answer

My proform 590 treadmill has these problems ; belt slips when running or walking ,speed goes up and down does not stay constant and you can hear motor noise increasing and decreasing in motor what should...


simple(maybe). go to the rear of treadmill,get the allen wrench that came with it,run at med-slow speed and adjust the rear roller with allen wrench. 1 turn per side 2 or 3 time then walk on belt until wont slip. all the problem is belt tension. also. make sure if it need lubrication under board and belt(some are lubless others dont).

good luck to you.

Feb 08, 2011 | Treadmill Doctor Proform 590Qs Treadmill...

1 Answer

My Epic 425 is getting louder and louder, a whirring noise, but can't seem to find maintenance help


Hi,

It sounds like you have a drive motoer failing. The only other place that can be load or making noise is the front and rear roller. The rollers bearings when failing make a "popping" or "clicking" noise, and increases as you speen up. The motor "growls", and the faster you go the noise is..... well loud. The way to confirm this is to remove the motor hood, then start the treadmill on power/speed level 3. Be very carefull, and use a broom stick (wooden) to put on the drive motor while it is running. You should be able to "feel" what you are hearing. You should then raise the speed, and you will then feel the increase as well.

The replacement motor is around $200.00.

Hope this helps

Nov 12, 2010 | Epic 425 Mx Treadmill EPTL88105 !

1 Answer

My ProForm 750 only runs at low speed. Varying


If u r seeing the increasing variation takeing effect on the panel but the speed does not increase in real, then there is nothing wrong with the push button for sure.
what it could be is ,
1. Your motor is getting overheat quickly and does not accept the higher speed commands.
2. it could be a belt slip also (do u hear any extra noice / vibration when u increase speed)
3. next time, pls unplugg the unit for atleast 4 hrs and when u start after that increse the speed very next moment and see if it works. if it does increase this way then it is time take look first on the belt ans then check the motor.

Good luck.

Jul 25, 2010 | Proform iLog 750 Treadmill

1 Answer

Treadmill problem


if the unit gradually increase speed then upper function pad speed up is shorting some manufacturer will sell the keypad and overlay some will sell the entire console.
Now if the unit running like a bat out of hell then the motor control board is defective and needs to be replace

May 24, 2010 | Treadmills

2 Answers

Thumping noise that increases with speed


OPEN MOTOR SHROUD SO YOU CAN BETTER INSPECT THE UNIT CHECK THE DRIVE BELT THEN I WOULD CHECK THE RUNNING BELT TO SEE IF THEIR IS ANY DEBRIS THAT THE BELT ITSELF IS SPLITTING SINCE YOUR SAY A THUMPING SOUND. SINCE KEYS FITNESS MADE THIS UNIT THEY ARE NO LONGER IN BUSINESS, BUT TREADMILL DOCTOR HAD PURCHASED THE PARTS. SO GO TO TREADMILL DOCTOR.COM THEY MAY HAVE THE PARTS YOU NEED

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