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I have a horizon fitness omega 3 hrc entertainment treadmill it has a Jm05-002 h.p 1.75 hp motor. I'm looking to know what is wrong with my treadmill when I press it on to start some times the treadmill starts and other times it doesn't. And other times when the treadmill starts and I get on it then the belt would cut out but other times it works fine can any 1 help me?

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I have a horizon fitness omega 3 hrc entertainment - d8059ac5-911d-453b-a576-434df5747959.gifPlease see the video and lube+rollers bearing front and back, test the drive belt motor, and replace the belt if necessary.
However if the problem persist, your control board is faulty.see the block diagram

Posted on Jul 22, 2013


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Posted on Jan 02, 2017

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SOURCE: My Proform 650v treadmill stop when running after couple of miles

Most likely a bad drive belt. Take the cover off the motor area. If you see black dust near the left side of the motor, replace the drive belt.

Posted on Nov 01, 2009

  • 1 Answer

SOURCE: I have a horizon fitness, Quantum II treadmill.

im having this problem too if some one could email me how to fix it @ 


Posted on Feb 26, 2010

  • 832 Answers

SOURCE: Treadmill (Vision Fitness T8500) turns on, motor doesn't run...

open motor shroud and inspect all connection on the motor control board see if all LED 's are lit except that light up when incline motor is moving up or down. then check the two connector coming from the drive motor to the board sometime over time the two connector will have a cold soldier I would move them to see any excessive movements of the pins then hit start and see if there is any belt movement. Last but not least unplug unit and check the motor brushes if they are less than 3/8 in in length replace them. Call them @ 1-800-335-4348 they under their parent corp. Johnson fitness.

Posted on Mar 01, 2010

  • 83 Answers

SOURCE: Treadmill Incline Works, belt does not move

Check the drive belt. It may be loose or broken. If the belt is loose, then to tighten the drive belt, start by removing the front cover. loosen the bolts around the motor then tighten the drive belt by tightening the motor adjuster bolt. Once the drive belt is tight, tighten the motor back down.

Posted on Apr 30, 2010

  • 1 Answer

SOURCE: horizon treadmill won't start running

power going to treadmill. it is beeping the whole time but wont start or move

Posted on Jun 14, 2011

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2 Answers

Horizon Fitness Treadmill new motor starts but cuts out in less than 5 seconds

Sounds like a faulty motor starter if equipped or motor it self faulty.
"I hope this helped you out, if so let me know by pressing the helpful button. Check out some of my other posts if you need more tips and info."

Mar 06, 2016 | Horizon Fitness Exercise & Fitness

1 Answer

I cannot adjust or reset the speed on the console as it just goes straight onto the fastest speed every time I start it up and even if you adjust the speed and/or the programme it still starts in the

Hey Tyler,

You may need to re-calibrate your treadmill you can check out this video it will guide you through it.

if the problem reoccurs after the calibration then you may need to replace the speed sensor... it is usually located next to the drive motor pulley (it is a magnetic pulse speed senor so it should be facing the magnet on the motor pulley) P.S. if the sensor is not lined up this can be the cause of the problem also, so check that it is before replacing.

Hope this help... Enjoy

Apr 17, 2014 | Horizon Fitness Exercise & Fitness

1 Answer

Omega 3 treadmill - Does anyone know what might be wrong with my tread mill? its showing 500 on the screen and is not starting.

replace the old batteries (if your system have batteries, clean the contacts batteries) put a new ones.
2) adjust the REED swtich see the diagram attached.
3)tight the ribbon cables inside from display board and clean it. tight and clean the upper and lower connector. and try again.
God bless you64554154-b7bd-4100-8a70-779a1727ba63.gif5b2cf7d6-545e-4e9e-80cd-605d4c8ca29d.gif

Oct 16, 2013 | Horizon Exercise & Fitness

1 Answer

After lubing the belt on my Horizon T101 it started tripping the breaker after 5-15 minutes of use. It never did this before I lubed it. Any suggestions?

Step 1:

1) the old board deck belt is time to replace it
2) However you must test a) the main motor see my personal TIPS for motor help b) test the output voltage board, for input voltage motor if there are NOT the board is faulty. see the diagrams attached.
God bless you

Step 2:


Step 3:


Jan 09, 2013 | Horizon Fitness T101 Treadmill

1 Answer

Treadmill wont run

LUBE the deck belt, maybe you have WORN deck belt, by the lack of lube. YOu must do it aprox every 5 hours of use.
2) LUBE the rollers bearing.
3) Test the input voltage motor, see my personal TIPS how to troubleshooting the motor , see the diagram attache
4) test the output voltage board, for input voltage motor, if there are NOT the board is faulty. see the block diagram
God bless you


Nov 20, 2012 | Horizon Omega II 1.75 HP Drive Motor

1 Answer

I have a Quantum II HRC treadmill, it worked for a short period and stopped now I can't get the walk belt to work.

LUBE the deck belt, you have a WORN deck belt, by lack of maintenance schedule.
2) LUBE the rollers bearing too
3) Test the drive belt motor, for worn, cracking or adjust it
4) Test the input voltage motor, if there are the motor need repair
5) Test the output voltage board, for input voltage motor, if there are NOT the board is faulty.
God bless you

Nov 19, 2012 | Horizon Fitness Exercise & Fitness

1 Answer

I have a Horizon QuantumCS 11 HRC Pacer Treadmill and I am getting E7 flashing when turned on,belt moves for seconds and then stops

please follow the steps and fix it. God bless you

E7- 1) Alternative Elevation Motor

1)Cause: Elevation Motor not moving Solution:Check Elevation Motor connection

2)Cause: Elevation Elevation Motor screw binding Solution: Clean screw and lubricate

3)Cause: Elevation Motor Motor out of Range Solution: Check motor out of elevation

4)Cause: E-Motor Potentiometer: Solution: Replace Elevation Motor


Display Doesn't Light Up: a)Cause: On/Off switch Solution: Test unit is turned on b)Cause: Insufficient Power Source Solution: Plug dedicated120V, 20Amp Outlet

c) Cause: Line Cord Damaged Solution: Replace Line Cord

d)Cause: Fuse Solution: Check Fuse on MCB


Nov 15, 2012 | Exercise & Fitness

1 Answer

Incline - Button not working, and also Stop Button not pausing

RUN the software calibration INMEDIATELY, for diagnose, troubleshooting and fix it.

sincerely. God bless you

Apr 19, 2012 | Horizon Quantum II Upper Control Board

1 Answer

I have a Horizon fitness CST3 and the belt stops running but everything else stays on. Do you know what is cuasing my problem?

How old is your treadmill? Has the deck been lubricated? Do you smell anything odd when the belt stops? Unplug treadmill, remove motor cover and check cables are all connected.

Oct 23, 2010 | Horizon Fitness Merit Fitness 725T...

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