Question about Proform Crosswalk 500 Treadmill

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Treadmill stops when speed is increased

Treadmill starts fine and will run at a low speed but cuts out when speed is increased and returns speed setting to 1mph. Is this related to the motor controller? Any help would be appreciated. Thanks

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6 Suggested Answers

6ya6ya
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Posted on Jan 02, 2017

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  • 40 Answers

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

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valeantudor
  • 787 Answers

SOURCE: I have a model 297980

You have to put the safety key in if you want to select speed/incline or predefined programs.
It starts and runs at full speed on that occasion because it's part of the maintenance process, that lubricates the inner rollers so that it will continue to work perfectly for as long as possible.

Posted on May 01, 2010

maxtreadmill
  • 832 Answers

SOURCE: treadmill turns off

Check you Drive Motor : Get a fully-charged, 18 volt (preferred) cordless drill battery and on most treadmills connect the red and black motor leads to the battery If good, the motor should operate at about 1 MPH. Or if you have a extra car battery- these are 12 VDC high amp batteries so the motor will turn slowly but you can walk on the belt. If you have the same problem it could be worn motor brushes.

Posted on May 15, 2010

maxtreadmill
  • 832 Answers

SOURCE: Pro Form Treadmill 625 EX Wide Trac

1. You may have a worn belt and deck problem ( #1 problem on treadmills ). Test by the following procedure:
a) without the power on stand on the walking belt
b) push the belt in the direction it normally turns
c) if the belt is very difficult to turn (on most treadmill) this means that you have high belt/deck friction.

You must physically inspect the belt and deck. The deck should be smooth. The belt should have a consistent feel from side to side (a belt can be worn out without any sensory signs of a problem). If you feel deep grooves in the deck or uneven wear on the underside of the belt, part replacement is necessary. Continued use of your treadmill may damage expensive electrical components. If their is no signs of excessive wear then the next step is to lubricate the deck follow this procedure:

Before applying lubricant, the belt must have the tension reduced and cleaned deck. Loosen the tension roller by following the instructions in your owner’s manual. Do not loosen the bolts in the tension roller too far or the bolts will come out of the roller shaft. This step may not be necessary for your treadmill model or belt and deck condition.
Contaminants are the worst enemy of your belt and deck. Some treadmills may have an excessive accumulation of dirt and contaminants. If these are trapped during the belt lube process, significant damage will occur. Lift the belt and slide a moist towel between belt and deck, slide the towel the length of the unit to catch the contaminants do this a number of times inspect towel and need be use a fresh towel and repeat cleaning let dry then apply the lube in the center upper third of deck then start unit and walk on it @ 1-2mph for about 5 min. You may purchase the lube from National Gym Supply @ gympart.com Part# TM001 or call them @ 1-800-496-7278 their on the west coast. At this point I believe your problem should be resolved if the above procedures have taken care of problem take a look at the next step, as mentioned the #1 cause of treadmill failure is lack of maintenance of the belt and deck.

On occasion, you may have already damaged the DC board if you have high belt/deck friction. If the belt walks freely, you have a different problem.

2. If it passes the belt/deck checks, you may have a DC board output problem. If the belt tests ok and you have a speed variation, try this test:

  1. Set the speed to 2.5 MPH. Let the treadmill run without anyone on the belt. Check to see if the speed is constant or if there is a variation.
  2. If there is no variation, step on the belt. If the speed slows down or speeds up, you may have an output problem on the DC board. This is the board that connects directly to the motor. Check the speed sensor if it is a magnetic sensor unit ( Under motor shroud usually attached on the left hand side of frame with 1/8' clearance between sensor and front roller pulley) you can test continuity with a multi meter or replace with a new part to test. Many times passing a kitchen magnet in front of the signal will make a speed display on the console if the magnetic sensor is good.

Posted on May 16, 2010

  • 218 Answers

SOURCE: Clicking sound coming from front

bad bearing in the front roller

Posted on Aug 12, 2010

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2 Answers

My treadmill runs for 9 secons and stops and shows E1


Ok. So the first thing to try is to calibrate the speed.
You do this by doing the following:
  • With the SAFETY KEY in place, hold the ELEVATION UP and SPEED DOWN buttons for five seconds. The console will beep twice, "ENG0" will appear in the Distance window, and a number will appear in the Elevation window.
  • Press SELECT until "ENG3" appears; this is for Auto-Calibration.
  • Press START to Auto-Calibrate.
  • The treadmill will calibrate minimum and maximum speed, and minimum and maximum elevation. When Auto-Calibration is complete, the treadmill will reset to User's start screen. This process takes three to five minutes.
Make sure there are no errors. . .and that the speed goes from super slow to super fast and then stops. . .. if it stays slow. . or stays fast. .or error code appears during calibration, there is a problem.
If after a good calibration sequence, if it still does the stopping and E-1 after 10 seconds. ., then you need to (Power off and disconnect treadmill). . .then unplug the speed sensor from the lower power board, blow into the connector on the wire, and add a little contact cleaner spray to the connector on the board.
Recap: If it actually runs. . .but stops after a few seconds. . but the calibration runs and passes fine. .. .more than likely it is a speed sensor misread or a faulty speed sensor.

Sep 30, 2014 | Triumph 400T Treadmill

1 Answer

Precore m9.43 treadmill error 22


Precor Error Code 22 Error Code: 22 Manufacturer: Precor
Model: All Models
Error Description: Error 22, No Motor Pulses at Start Up - Error indicates that the display has sent a command for the drive motor to start, however, the speed sensor has not returned the signal acknowledging that the drive motor has started. Possible Reason:
  1. The line of sight between the speed sensor and the speed sensor target is obstructed.
  2. Badly worn drive motor brushes.
  3. Incorrect gap between the speed sensor and the speed sensor target.
  4. Incorrect adjustment of the speed sensor potentiometer (when equipped).
  5. Inoperative speed sensor.
  6. Faulty lower PCA.
  7. Faulty interconnect cable between upper and lower PCA.
  8. Faulty upper PCA.
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. Bady worn drive motor brushes cannot make proper contact with the motor commutator, therefore the drive motor will not start when voltage is applied. Inspect and replace drive motor brushes if necessary.
  3. 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".
  4. 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.
  5. An inoperative speed sensor will allow the drive motor to start and run briefly before the error appears. If able to access the speed sensor wiring, measure the DC voltage between the speed sensor leads. Two of the leads will always read about 5 VDC. Two will toggle between 0 and 5 VDC as you slowly turn the speed sensor target. If both measurements are not seen, the speed sensor needs replaced. Some units have the speed sensor mounted on the lower PCA and the lower PCA needs replaced.
  6. Determine if the lower PCA is bad by swapping with a known good lower PCA.
  7. Determine if the interconnect cable is bad by swapping with a know good cable.
  8. Determine if the upper PCA is bad by swapping with a know good upper PCA.
Precor Error Code 22

Feb 05, 2013 | Precor 9.21 Treadmill

1 Answer

Precore m9.43 treadmill error 22


Precor Error Code 22 Error Code: 22 Manufacturer: Precor
Model: All Models
Error Description: Error 22, No Motor Pulses at Start Up - Error indicates that the display has sent a command for the drive motor to start, however, the speed sensor has not returned the signal acknowledging that the drive motor has started. Possible Reason:
  1. The line of sight between the speed sensor and the speed sensor target is obstructed.
  2. Badly worn drive motor brushes.
  3. Incorrect gap between the speed sensor and the speed sensor target.
  4. Incorrect adjustment of the speed sensor potentiometer (when equipped).
  5. Inoperative speed sensor.
  6. Faulty lower PCA.
  7. Faulty interconnect cable between upper and lower PCA.
  8. Faulty upper PCA.
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. Bady worn drive motor brushes cannot make proper contact with the motor commutator, therefore the drive motor will not start when voltage is applied. Inspect and replace drive motor brushes if necessary.
  3. 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".
  4. 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.
  5. An inoperative speed sensor will allow the drive motor to start and run briefly before the error appears. If able to access the speed sensor wiring, measure the DC voltage between the speed sensor leads. Two of the leads will always read about 5 VDC. Two will toggle between 0 and 5 VDC as you slowly turn the speed sensor target. If both measurements are not seen, the speed sensor needs replaced. Some units have the speed sensor mounted on the lower PCA and the lower PCA needs replaced.
  6. Determine if the lower PCA is bad by swapping with a known good lower PCA.
  7. Determine if the interconnect cable is bad by swapping with a know good cable.
  8. Determine if the upper PCA is bad by swapping with a know good upper PCA.
Precor Error Code 22

Feb 05, 2013 | Precor 9.21 Treadmill

1 Answer

Belt stopped and showed message ERR22


Precor Error Code 22 Error Code: 22 Manufacturer: Precor
Model: All Models
Error Description: Error 22, No Motor Pulses at Start Up - Error indicates that the display has sent a command for the drive motor to start, however, the speed sensor has not returned the signal acknowledging that the drive motor has started. Possible Reason:
  1. The line of sight between the speed sensor and the speed sensor target is obstructed.
  2. Badly worn drive motor brushes.
  3. Incorrect gap between the speed sensor and the speed sensor target.
  4. Incorrect adjustment of the speed sensor potentiometer (when equipped).
  5. Inoperative speed sensor.
  6. Faulty lower PCA.
  7. Faulty interconnect cable between upper and lower PCA.
  8. Faulty upper PCA.
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. Bady worn drive motor brushes cannot make proper contact with the motor commutator, therefore the drive motor will not start when voltage is applied. Inspect and replace drive motor brushes if necessary.
  3. 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".
  4. 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.
  5. An inoperative speed sensor will allow the drive motor to start and run briefly before the error appears. If able to access the speed sensor wiring, measure the DC voltage between the speed sensor leads. Two of the leads will always read about 5 VDC. Two will toggle between 0 and 5 VDC as you slowly turn the speed sensor target. If both measurements are not seen, the speed sensor needs replaced. Some units have the speed sensor mounted on the lower PCA and the lower PCA needs replaced.
  6. Determine if the lower PCA is bad by swapping with a known good lower PCA.
  7. Determine if the interconnect cable is bad by swapping with a know good cable.
  8. Determine if the upper PCA is bad by swapping with a know good upper PCA.
Precor Error Code 22

Dec 06, 2012 | Precor Treadmill 9.21 9.21s 9.25 9.21si...

1 Answer

I hae a Pro Form 540 Iteracive Trainer treadmill. When the key is inserted, the treadmill cuts on but the control panel doesn't seem to work when you touch start. I waited and cut it off and went...


Hi,

I will advice you try re-calibrate your treadmill, follow the procedure below to re-calibrate it,

Step 1 Stand on the side rails of the treadmill for safety purposes. Remove the safety key. Step 2 Press and hold the two incline buttons. The incline buttons are blue and on the left side of the display. Hold the up and down button simultaneously. Release the buttons when the display reads "Calibration."
Step 3 Press the green start button located either above or below the large, red stop button (depending on your model). Stay on the side rails as the treadmill belt begins to move. Both the speed and incline should go through their full range from lowest to highest, and then back down again.
Step 4 Repeat the process if the display does not read "Calibration Successful."

Aug 08, 2011 | Sport & Outdoor - Others

1 Answer

My proform treadmill turns on and the inlcline works however the belt does not move. Any suggestions?


Enter calibration mode and do a calibration first.
Press the stop & speed up key, insert the safety key/magnet. Press stop 1 more time. Press speed up, the speed display should start to increase in value. By 30-40, the motor should be running. If not, you either need a motor or motor controller PCB. What model is the treadmill?? PCTL???

Dec 14, 2010 | Proform Exercise & Fitness

1 Answer

Precor treadmill suddenly speeds up and then stops. display reads "ERROR 22"


Precor Error Code 22 Error Code: 22 Manufacturer: Precor
Model: All Models
Error Description: Error 22, No Motor Pulses at Start Up - Error indicates that the display has sent a command for the drive motor to start, however, the speed sensor has not returned the signal acknowledging that the drive motor has started. Possible Reason:
  1. The line of sight between the speed sensor and the speed sensor target is obstructed.
  2. Badly worn drive motor brushes.
  3. Incorrect gap between the speed sensor and the speed sensor target.
  4. Incorrect adjustment of the speed sensor potentiometer (when equipped).
  5. Inoperative speed sensor.
  6. Faulty lower PCA.
  7. Faulty interconnect cable between upper and lower PCA.
  8. Faulty upper PCA.
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. Bady worn drive motor brushes cannot make proper contact with the motor commutator, therefore the drive motor will not start when voltage is applied. Inspect and replace drive motor brushes if necessary.
  3. 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".
  4. 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.
  5. An inoperative speed sensor will allow the drive motor to start and run briefly before the error appears. If able to access the speed sensor wiring, measure the DC voltage between the speed sensor leads. Two of the leads will always read about 5 VDC. Two will toggle between 0 and 5 VDC as you slowly turn the speed sensor target. If both measurements are not seen, the speed sensor needs replaced. Some units have the speed sensor mounted on the lower PCA and the lower PCA needs replaced.
  6. Determine if the lower PCA is bad by swapping with a known good lower PCA.
  7. Determine if the interconnect cable is bad by swapping with a know good cable.
  8. Determine if the upper PCA is bad by swapping with a know good upper PCA.
Precor Error Code 22

Sep 15, 2010 | Precor C954i Commercial Treadmill

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

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

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