Question about Startrac Fitness Products Star Trac Pro S Treadmill

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As soon as i turn the treadmill on it blows a breaker! I just had new brushes put in motor what do u think keeps breaking tripping breaker

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Sound like your motor control board has shorted to ground thus blowing the breaker I would have that service company back out ASAP!! to check this unit out.

Posted on Feb 28, 2010

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Posted on Jan 02, 2017

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1 Answer

Can the motor control board cause the house circuit breaker to trip?

It's unlikely. An internal fuse would blow first, I'm assuming. If you've diagnosed this far you sound capable of continuing. Electricity is dangerous!!! I would remove all things from the board, 1 by 1 plug each component into board until the breaker trips. That should pinpoint what is tripping breaker. I would assume a motor.

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Keeps tripping breaker when put into start mode.

Hi, if you have burnt electrical smell and the breaker keeps tripping you have a short in the motor that's what causes the tripping in the breaker. You will have to get it repaired or claim if it's still under warranty.

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The screen on my treadmill seems to work fine. I can enter and progam without any problem but as soon as I hit start and the motor turns on then the circuit breaker immediately trips. I have tried oth

Either a faulty Motor Controller Board or Motor.
Disconnect the power lead.
Disconnect the Motor from the Controller board.
Then reconnect the power lead.
Press 'start' and see if this trips the electrics.
If the electrics trip when the Motor is not connected to the Controller board, then the Controller board is faulty.
Disconnect the power lead then test the Motor.
Try running the Motor with a Drill Battery, connected to the Motor leads.
These tests should only be done if you are competent to carry out the tests.
Caution at all times Lethal Voltages are present

SAM Fitness Solutions

Oct 04, 2014 | Nordic Track NordicTrack A2350 Pro...

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My 5.2t Horizon Treadmill turns on, but as soon as I push the start button it blows the fuse to the outlet. I tried re-setting the breaker about 6 times and then I started smelling smoke. I opened the

First of all, never reset a breaker more the once. If it trips twice it's not going to magically, "heal " if you keep resetting it.
Two possibilities. Bad breaker or internal short in the machine.
Replace the breaker with one not tripping and then check out the machine for shorts.
Just switching out parts is a less specific and more costly solution.

Aug 10, 2014 | Horizon Exercise & Fitness

1 Answer

Table saw keeps tripping breaker

May have a brush in the motor that's hanging up or worn may try
replacing the brushes

Feb 07, 2014 | Saws

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Washer keeps blowing fuses

Do you mean the houses circuit breaker? If so, WHEN in the cycle does it blow the circuit breaker? WHEN it trips will tell you what to look at. I.E. If the circuit breaker trips during the fill cycle then it would be the walter inlet valve or the timer in the control panel; if it trips as soon as it is in the agitator cycle - then the motor or transmission; if it trips in the spin cycle - then the drain pump or transmission or control panel.

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My profrom 480e threadmill is tripping as soon as I start it.The kids palyed with red stop button. I put the stop button back, but still it trips.How do i fix it.


Looseness or discolorations of the prongs on the plug or the terminals in the wall or extension indicate a weak connection. A weak connection lowers the voltage to the treadmill and causes the motor to work harder. With low voltage the motor draws more amperage and causes the circuit breaker in the treadmill to trip.

Another cause for circuit breakers to trip is the belt needs lubrication. Check for belt lubrication and ease of movement. To test the walking belt lubrication, do not turn the treadmill motor on. Set the elevation to the highest level. Stand near the front of the walking belt. Push yourself firmly toward the rear of the treadmill. If the belt is properly lubricated the belt will take you to the rear edge of the treadmill and dump you off on the floor. If you move and stop, the belt needs lubricating.

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Jul 05, 2011 | Sport & Outdoor - Others

1 Answer

Thermal overload on motor keeps tripping around speed of 3.2 when being used. Will run at 11 for 5 minutes without anyone on belt. House breake does not trip in either case

I would check out the condition of your belt and deck.

When a running belt has excessive wear, it creates a lot of friction which causes the drive motor to work harder. When the drive motor works harder it will start overheating. If the belt is not lubricated periodically, it will ruin the deck, the drive motor, and cause other electrical problems such as tripping the breaker [after a while, the circuit breaker on the treadmill will need to be replaced.

It is suggested to lubricate the belt every month. At this point, you may need to replace both your deck and your running belt.

Jun 29, 2011 | Precor 9.31 Treadmill

1 Answer

Proform 450 X treadmill powers on, but trips current when started

There could be a combination of problems. I would first start with disconecting the motor leads and see if it trips the breaker. Then elevation motor would be next if no change from disconecting motor. More than likely it's a motor issue.

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