Question about Proform XP Weight Loss 620 Treadmill

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Treadmill will not maintain the correct speed.

When I am walking at an incline the treadmill speeds up. Can you tell me why. I have a Proform 625. PFTL62510KD.

Where can I get a book for this treadmill?

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  • david1benny Feb 17, 2009

    I have a Proform XP 620 model and have experienced similar occurences.When on an incline the treadmill speeds up.

    What is the solution?

    David Benny


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Your belt may not be tight enough and it is slipping which can cause it to move faster than the motor

Posted on Aug 26, 2009

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You can get a book by calling 1-800-999-3756. The treadmill you are usine in a cheaper model. the motors on those units are not that strong. when you incline your unit gravity make the belt move faster. Remember incline put a lot of pressure on you lower spine. This can cause injury for some.

Posted on May 01, 2009

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How to reset/recalibrate your treadmill after replacing drive or incline motor,...


Make sure you recalibrate your treadmill after installing ANY controller, motor or console. You can NOT over calibrate your treadmill. You want to make sure you adjust your pedometer for the correct operating speed and incline adjustment. First plug in your treadmill, do not stand on the walking belt. Hold down the "Stop" and "Speed +" key and insert the safety key or magnet, let go of the two keys. Now press "Stop" key once. This puts you into the level 2 of calibration. Press the "Speed +" key slowly until you see 85 on the console, (at this point the display is going to show the percentage of motor usage and also the actual walking belt speed) at 85% motor usage your top speed should be between 10 and 10.5 MPH or (of 12 and 12.5) depending on the treadmill. You must know your treadmills top speed. (Important the motor may be damaged if you set the maximum speed higher than the maximum speed that your treadmill is made for). If the speed is higher than 10.5 or 12.5 then you need to turn the potentiometer down to the correct level. The adjustment is made with a phillips screwdriver, and the adjustment point is on the motor controller. It is a little square metal box with a yellow plastic adjustment screw inside. If the speed it to low you need to turn the potentiometer higher. Once the speed is correct you are done calibrating the speed. Press the (-) speed key to lower the percentage to (0). Next press the incline (+) button, this will make the incline motor go all the way to the maximum incline and come all the way down to the level position. Then remove the safety key and the treadmill will reset into the normal manual mode. Double check that the treadmill is operating at the correct speed and incline motor works correctly, by running maximum settings. Once you are done, be sure your treadmill is properly protected from surges from power spikes that can destroy the work you just performed.

Hope this helped.

on Dec 08, 2011 | Nordic Track Treadmills

1 Answer

I have a proform 505cst. When I push start, the motor seems to short out. The motor controller LED blinks four times.


Customer Reviews: Proform 505 CST Treadmill (2014 Model)

www.amazon.com/Proform...Treadmill.../B0048HS02...

Amazon.com, Inc.Start here. ..... I was worried it would fall out with the vibration but, as I mentioned earlier, ... The 10% incline and the max speed on this unit more than serves the need ...The sound from the belt and motor is very acceptable (but then its only been .... This morning i was using it for the first time and this treadmill seems great.

Amazon.com : Proform 505 CST Treadmill (2014 Model ...

www.amazon.com > ... > Cardio Training > Treadmills

Amazon.com, Inc.Start here. ..... The ProForm 505 CST Treadmill is designed to get you moving. ....This morning i was using it for the first time and this treadmill seems great. ... I would suggest for anyone that gets this to open up the motor cover and take a look at ...graphics on the instruction manual and figure out what piece went where .

505 CST ' Proform


Jan 11, 2016 | Proform 505CST Treadmill Walking Deck

1 Answer

Ifit treadmill stuck on highest incline


RUN inmedaitely the software calibration for diagnose, troubleshooting and fix it. Now that machine is running in slow speed.

sincerly. God bless you

Apr 23, 2012 | Proform 740cs/745cs Treadmill Walking Belt...

1 Answer

Incline reads 0.0 but is not all the way down


Renee, Here is how to recalibrate the incline motor. Read all of it It will be good to keep.
Plug in your treadmill, do not stand on the walking belt. Hold down the "Stop" and "Speed +" key and insert the safety key or magnet, let go of the two keys. Now press "Stop" key once. This puts you into the level 2 of calibration. Press the "Speed +" key slowly until you see 85 on the console, (at this point the display is going to show the percentage of motor usage and also the actual walking belt speed) at 85% motor usage your top speed should be between 10 and 10.5 MPH or (of 12 and 12.5) depending on the treadmill. You must know your treadmills top speed. (Important the motor may be damaged if you set the maximum speed higher than the maximum speed that your treadmill is made for). If the speed is higher than 10.5 or 12.5 then you need to turn the potentiometer down to the correct level. If the speed it to low you need to turn the potentiometer higher. Once the speed is correct you are done calibrating the speed. Press the (-) speed key to lower the percentage to (0). Next press the incline (+) button, this will make the incline motor go all the way to the maximum incline and come all the way down to the level position. Then remove the safety key and the treadmill will reset into the normal manual mode, when you re-insert the safety key. Matt

Dec 04, 2011 | Nordic Track NordicTrack Treadmill, A2550

1 Answer

I need to calibrate my incline on my treadmill


depending on the model hold the stop and speed up key at the same time, insert keythen let go.nextpress stop once, then press incline up key once.incline will go up then down thats it.

Mar 09, 2011 | Proform 325 Treadmill Walking Belt

1 Answer

I have a proform 785..the problem is the speed and incline decreases all of a sudden like within a minute...i raised the speed to 4 and it dropped to 2 within 1 min and same thing with the incline it...


Unplug unit remove motor shroud then start calibration procedure.
Press the Stop and the Speed Up keys down while inserting the safety key. If you cannot get into calibration then upper console needs to be replaced.
Press the Stop key one time. The Time window should read EP:2P. Some newer models may also say FP, Pass, or the like. This means that it passes the EPROM test. At this point if it show 2F FF or Fail then upper console needs to be replaced.
Press either incline key and the incline will calibrate automatically
BE CAREFUL, THE TREADMILL WILL RUN AT FULL SPEED IN THIS NEXT MODE! DO NOT STAND ON WALKING BELT.
Press the Speed Up key and hold it down until 85 is shown in the Distance window (some models may show the 85 number in another window).
If the top speed of the treadmill does not match the displayed speed on the computer console, adjust the max speed potentiometer (pot) on the motor control board. This is the board that the red and black motor wires connect directly into in the motor area. The Max Speed pot is clearly labeled.
The max speed potentiometer is a small square with a mobile center and is located in one corner of the board and is labeled MAX SPD. It is near the harness that carries the speed signal labeled H,W,L. Using a small insulated screwdriver adjust this potentiometer clockwise to speed up and counter-clockwise to slow down the max speed of the treadmill. A tiny turn of this potentiometer will make a big difference in speed so be careful when making adjustments.
It is not important to get the speed set exactly at the max speed of the treadmill but do make sure to get the speed within .2 MPH of the max speed of the treadmill. For instance if the max speed of the treadmill is 10 MPH, make sure to have the speed set between 9.8 MPH and 10.2 MPH. Some models have a 12 MPH top speed, so please check your manual if you aren’t sure.
After completing calibration of the speed, press the Speed Down key. The treadmill will automatically return to 0 MPH. Please allow the unit to stop completely before continuing.
Press the Stop key once and remove the safety key.

Jun 11, 2010 | Proform 785 CS Personal Trainer Treadmill

1 Answer

Proform 350s crosstrainer treadmill; surges 3 MPH to 4MPH


Walking Belt is Worn: The only certain way to test for a worn walking belt is to take a DC amp draw (if you have a DC treadmill) or an AC draw (for AC). Trying to look at the belt or a feel test is highly unreliable. Better tests, if you lack a DC ammeter (they are expensive for a good one), are a coast test or an incline test. The coast test is to get on the treadmill as the lowest incline setting and walk on the treadmill at 3 MPH. Pull the safety key and it should take you 2-3 full steps to stop (this is a general rule…some like a few Tunturi models stop on a dime even with a healthy belt but for most models, this tests works well upon). Fewer steps indicate high friction. The incline test is to put the treadmill at max incline and walk on it at 3 MPH. If the treadmill operates normally at max incline but bogs down at minimum incline, replace the walking belt. Gravity takes over for the drive system eliminating much of the friction problem. On some heavily worn walking belts, this test will not eliminate the problem. Go to your local hard ware store and purchase silicone spray. Apply Lubricant by lift one side of the running belt spray contents length wise starting at motor shroud to the back end repeat this process on the other side. If this unit bogs down again then you will have replace the running belt and possibly the deck

May 27, 2010 | Proform CrossTrainer Treadmill

1 Answer

How do you calibrate a ProForm 530x Treadmill?


To calibrate the speed and/or incline, please refer to the instructions that are under the motor hood cover or are mounted on the inside of the belly pan. Be sure to unplug your machine. If the instructions are not there, please contact our customer service department at {~1-888-533-1333} while you are near your machine.

Apr 10, 2010 | Proform 530 Treadmill Walking Belt

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