Model #831297990 PROFORM Treadmill

  • Console
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  • Walking Board
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Question and Answers

Q:

Why does my treadmill belt not go around?

A:

I'm sorry about the difficulties your having with your treadmill. While you are waiting for an expert to respond, I have attached a helpful link below that may provide information to assist you with your question.

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Yadira B -
January 24, 2013
A:

Hi,

Thank you for asking this question and allow me to answer it this way. The problem may very well be the motor but it's unlikely as there are no error codes being shown like there should be with a motor problem. Which leads me to believe the problem is the motor controller (board). You can test the motor though, just to be sure. You will need a DC volt meter to check the motor for operation. Unplug the machine from the wall and then remove the motor cover. Unplug the red and black motor leads from the controller and attach the leads to your meter leads so the meter is tied into the motor (not the controller). Then plug the machine back into the wall and put the key in place. Do not try to start the machine, just put the key on and then walk on the treadmill and get it up to 3MPH. Because the motor is a DC motor, it will generate electricity. At 3MPH the motor should generate no less than 28VDC. If there is less voltage than that, the motor is bad. If it creates 28VDC or better, the motor is fine. NOTE: Always unplug or de-energize electrical equipment before removing covers or attempting service. Be careful and wear appropriate hand protection when working around sharp metal parts.

NOTE: Live voltage checks are dangerous, and possibly deadly. Exercise caution at all times. If you are not comfortable working with live electricity I suggest you call an Sears Home Services technician.

I hope this answer is useful and that it helps you correct the problem with your appliance. Thank you for using ManageMyLife.

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Bill__W -
Sears Technician
January 25, 2013
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Q:

pro form J8

A:

I'm sorry to hear that you are having some difficulties with your treadmill. I did some research for you at Managemylife.com and found an expert answer to a similar question that may help until your expert can respond to your specific question. The link is attached below. If you do decide to schedule service and have a qualified technician help you, I have also attached a link to Searshomeservices.com. I hope these links provided assist you.

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Joseph P. -
October 19, 2011
A:

This could be a bad motor or a bad controller and choke. If you have a volt meter we can check the motor to see if it's failed or not. More than likely though the controller and choke are the issue. Normally when a motor fails the unit will run but cut out or it won't get up to speed like it normally would.

Let me know if you have a meter and we'll go over how to check the motor.

If you do not have a meter and/or want to go ahead and get the controller (pt 137858) and choke (pt 185582), you can order those HERE .

Thank you for using Manage My Life!

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XX Wade_ -
Sears Technician
October 20, 2011
A:

I do have a voltage meter

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Peter -
October 20, 2011
A:

Okay. Unplug the machine from the wall. then remove the motor hood so you can access the motor and controller board. Unplug the wires from the motor to the controller (red and back). Connect your meter to those wires (so the meter is connected to the motor). Then set the meter to read DC voltage. Put the key in the treadmill and walk on it (do not press start or anything) until you manually walk it up to 3MPH. At 3MPH your meter should read 28VDC. The motor will act as a generator and create power that the meter reads. If at 3MPH the voltage is less than 28vdc the motor is bad. If you have 28VDC or better, the motor is good and the controller is the problem.

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XX Wade_ -
Sears Technician
October 21, 2011
A:

DID THE VOLTAGE TEST. Looks like the motor is OK. At 3mph it when well above 28vdc. So I guess the controller is the problem. Please advice and can you tell me how much the controller costs?

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Peter -
October 26, 2011
A:

It's great that motor checked out good. the controller is part number 137858 and I would also replace the choke (transformer looking part ), it is part number 185582. the 2 parts will run around $140 and they may be ordered from the link I have attached.

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XX Wade_ -
Sears Technician
October 26, 2011
A:

I'm sorry,but I gave you the wrong info. on the treadmill. It is a pro-form J8li, model no. 831297990. power is getting to the power supply, but I'm not sure if the controller is transfering this power to the motor. the incline works so I sumise that the power supply is working well. How can I find out if the controller is gone?

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Peter -
February 20, 2012
A:

There isn't much you can check as far as the controller itself. Because the motor checks out good (from earlier test) and the power board is showing to be good because the incline is working and the console is powering up. That kind of only leaves the controller as being the problem. The replacement controller is part number 152004R.

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XX Wade_ -
Sears Technician
February 20, 2012
A:

I was on the icon replacement parts sight and they claim the part no. is 141877

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Peter -
February 20, 2012
A:

Theirs is going to be a new updated replacement board, ours is a rebuilt original board. Either one will work with your machine. Honestly, if it were me and Icon has a new board in stock, that's the one I would go with.

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XX Wade_ -
Sears Technician
February 20, 2012
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Q:

Treadmill j8li won't run

A:

Treadmills are an awesome appliance to have, if you ever want to go for a walk or run you can just jump on and there you go. So when it starts to have problems it can get very concerning. A suggestion I have is to visit Sears Home Services website to set service with a Sears technician. I attached the link below. Hope this helps!

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Dezeray S -
December 13, 2010
A:

The problem may very well be the motor but it's unlikely as there are no error codes being shown like there should be with a motor problem. Which leads me to believe the problem is the motor controller (board).

You can test the motor though, just to be sure. You will need a DC volt meter to check the motor for operation. Unplug the machine from the wall and then remove the motor cover. Unplug the red and black motor leads from the controller and attach the leads to your meter leads so the meter is tied into the motor (not the controller). Then plug the machine back into the wall and put the key in place. Do not try to start the machine, just put the key on and then walk on the treadmill and get it up to 3MPH. Because the motor is a DC motor, it will generate electricity. At 3MPH the motor should generate no less than 28VDC. If there is less voltage than that, the motor is bad. If it creates 28VDC or better, the motor is fine.

Thank you for using Manage My Life!

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XX Wade_ -
Sears Technician
December 14, 2010
A:

Thanks. The motor tests ok per your instructions. I'm going to try to replace the controller:Controller Part for PROFORM, Model # 831297990 Number:� 152004R Category:� Sports & Fitness Equipment See estimated delivery date $99.99 Is this a complicated procedure, or is it a simple plug in? Thanks for your assistance.

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Chris -
January 03, 2011
A:

You will need to unplug that machine from the wall. Then unplug the board from the harness. Put the new board in place then plug the harness into it. Put everything back together and fire the machine up. I cannot stress enough to make absolute certain you unplug the machine from the wall first. The voltage in the treadmill is line (wall, 120) voltage and it can be very unforgiving.

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XX Wade_ -
Sears Technician
January 04, 2011
A:

Thanks for your imput, I'll be extremely careful. I'll let you know how it turns out. Chris

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Chris -
January 04, 2011
A:

I replaced the motor controller, and the symptoms are the same. I followed the instructions and wasn't able to get the belt to move while attempting to get into the calibration mode. I encountered a slight electrical ( burning ) odor with the new controller in place. Any other ideas? I'm getting ready to punt. Thanks, Chris

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Chris -
January 08, 2011
A:

Given everything that has happened, it could be an issue with the harness or with the power board. Or, it could be that you got a bad controller (see that occasionally). The controller you just got is a rebuilt board. The OEM board is no longer in production and all that is available for it are rebuilt boards. I'm not going to trash talk a rebuilt board because I've used a lot of of them over the years, but I've had my share of bad rebuilts as well. Just to be completely honest with you, if it were me I would see about returning the board and punt strictly because of the age of the machine and the cost of new ones. We saw a $1200 Nordic Track for $760 at our local Sears this past Saturday. There are some really good sales going on this time of year. That combined with the fact that manufacturer gives an approx 10 year life on these things is enough to make me look into a new one. Which is exactly what we're doing. I have a hard time recommending you have a service tech come out because by the time you do that and get it fixed you will likely be half way to the cost of a new comparable machine. I just can't see anything else that will cause the symptoms you're having other than the controller. The burning smell you had makes me not trust the controller you just got.

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XX Wade_ -
Sears Technician
January 10, 2011
A:

Wade, Thank you for working with me on this. I agree with you - it's not worth getting a tech out here at this point. I'm guessing I'll have some difficulty returning the board, but I'll give it a shot. Time to go shopping. Regards, Chris

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Chris -
January 10, 2011
A:

If we can help out with anything else please give us a shout. I hate that it turned out this way with your treadmill. Sometimes it's hard to balance the benefits of repair or replace with these things. Thank you again for using our service.

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XX Wade_ -
Sears Technician
January 10, 2011
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