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I have a proform xp 550e trademill and i changed the motor control board because the motor start running and inmediadlly stops. after i installed the board the motor start running and stop some time after start running. I checki the belt adjustment an is right, but i can't set the potentiometer because the steps they send me don't match with the trademill monitor

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To calibrate the speed follow these steps.
Press stop and speed up and place the safety key in its spot.
release the stop and speed up.
Press stop again. The windows on the console (speed & time) will be all zeros.
Press speed up, the time window will increase. The belt should start to move. Increase this number to 85. This is maximum speed. Adjust the potentiometer to the correct maximum speed. The console will beep until the correct speed is adjusted (+ or - .2mph).
If the machine suddenly goes dead when in use, you may have a static electricity problem.
Check that the ground pin is present on the plug and check your outlet for a proper ground connection.

Posted on Dec 30, 2010


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Posted on Jan 02, 2017


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Proform xp 550e had a problem with incline...plastic guide piece was brittle and broke apart....hubby made a new guide piece... Incline & incline motor now works perfectly provided you hot wire it! ...

Hi There, I think the motor control board, or MCB, has a couple of Triacs (Transistor looking things) bolted together on that unit. The lift motor plugs in near them. If one of these Triacs shorts or is damaged, it will act "Live" at the connector, and drive up or down constantly, pinching and/or damaging the lift. There are a few causes of constant elevation in either direction....
1) Up / Down key stuck
2) Bad logic signal from the console(unusual)
3) Pinched or damaged console cable
4) Shorted Triac or failing MCB

You can contact jatinah electronics for repair at 75 for these units. Good Luck!

Jan 10, 2015 | Proform Exercise & Fitness

1 Answer


1) LUBE the deck belt, you must do it every 1 week after use. Otherwise you will the same problem that you have right now. This is by lack of maintenance. Maybe you have WORN deck belt.
2) LubE THE rollers bearing with WD-40 NOT use for deck belt. deck belt is with 100% silicone lube.
3) Test the input voltage motor, if there are the motor need repair. see my personal TIPS for troubleshooting motor.
4) Test the output voltage board, for input voltage board, if there are NOT the board is faulty.
See the block diagram
God bless you

Nov 26, 2012 | Proform Sport 1000 Folding Treadmill...

1 Answer

Treadmill proform model 831.29605.0 (proform xp 550e was working fine till I Changed the walk belt. After changing belt, display looked ok but treadmiil would non trurn on. Operated incline. incline

1) i recommend that you lube very well deck belt + rollers bearing

2) see the videos.

3) see the block

4) Try to RUN the software calibration, for troubleshooting.

5) measure the input voltage motor, if there are the motor need repair.
6) Measure the output voltage board, for input voltage board, if there are NOT, the board is faulty.

Jun 27, 2012 | Proform Treadmill Motor Controller 241697

1 Answer

When I turned ON my proform 550e the speed is super high making imposible to even try to run on it, after pressing the speed down arrow the motor stops completely. I do not have any control on the speed,...

adjust the speed sensor, clean, and tigh the connector very well, see the diagram attached,
2) RUN the software calibration for diagnose, and troubleshooting and fix it.

sincerely .God bless you


Apr 29, 2012 | Exercise & Fitness

1 Answer

My proform 580 runs for 1/2 second, shuts of, and resets and will repeat this as many times that you push the start button

Your treadmill have problem with the motor control board. The motor control IGBT is faulty thats why its stars at high speed and shuts off immediately by sensing over current drain. The solution is replacing the motor control board or replacing the IGBT on the motor control board. To replace the IGBT you should have a through knowledge in electronics. If you need any more assistance feel free to contact me through FixYa.


Jan 19, 2012 | Proform XP 580 Trainer Treadmill

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I have a proform xp 620 treadmill and the control panel keeps shutting off and on. i can start walking then it shuts off and then seconds later it comes back on

adjust the sensor switch first.2) change the batteries if have it.3)tight the flexible cable vs display board.4) tight the connector from display board vs lower board.
If the problem must test the following:1) Test the main motor.2) See if the drive belt is broken, loose, or slip3)finally the main motor board possible is faulty
see block diagram12_1_2011_11_16_04_pm.gif12_1_2011_11_16_27_pm.gifgood luck.

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Proform tredmill---stops after a couple of steps--will start back up after getting off---motor control board?

Inspect the walking board and belt first.Feel the tecture at the outer edge of the belt, then feel the center. If it feel fuzzy, the walking belt is worn.
Check the walking board for damage, deep scratches, excessive friction will cause an over current shutdown of the controller.
If the walking belt and board are good, lubricate the walking board and belt and try again.
Does the motor spark allot when running?? This will also cause over current.
Have you tightened the belt (too tight??)
After covering these suggestions, if the same problem is apparent, change the motor controller..

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2 Answers

Treadmill powers up begins to turn belt then shuts down

Did the shop only do a continuity check or a real load test with amp check also? Motors can look good and run with no load but fail under load.

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