Question about Treadmill Doctor PROFORM 770 EKG TREADMILL Drive Motor

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Treadmill willnot run

Treadmill motor will not come no when you press what speed you want and press start . everything thing else come on

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IF YOU THIS PROBLEM LISTEN A BAD NOISE OR SMELL YOUR TREADMILL MOTOR IS NOT GOOD AND DAMAGE YOUR MOTOR CONTROL BOARD . IF NOT SEE WIRE OF MOTOR AND 2 COAL IN END OF MOTOR SOME MOTORS HAVE A BIG PLASTIC SCREW ON THESE COAL AND SOMETIMES THESE SCREWS COME BACK AND VOLTAGE NOT CONNECT ON COLLECTOR OF MOTOR.

Posted on Oct 18, 2016

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Check motor....if motor ok check the controller

Posted on Jan 04, 2014

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My Nordictrack X9i treadmill console says it is operating at speed, however the track is not moving. Occasionally the belt will move for just a moment then it stops.


do you hear the motor running but the belt is not? if it is the belt need tightened or the drive belt may have broken. remove the motor hood to inspect

Aug 23, 2012 | NordicTrack Exercise & Fitness

1 Answer

I have a Nordictrack C2200 treadmill that I haven't used for a while. I went to use it again and the motor starts then stops almost immediately. Lights are on and incline works. If I push STOP and...


hi,
You have to check the Driver circuit board for the motor. There is motor control IGBT Insulated Gate Bipolar Transistor) in this board .If the IGBT is short then the treadmill will try to run at high speed without setting any value or witout pressing the start button and will shut down . You have to check the OHMS between the seocnd and third of lead of the IGBT. If it shows less than 100 Ohms then the IGBT is short and you have to replace the same. Also you have to check the connection to the control pannel. Is there is any loose conatct. Remove the connection in the motor control board which go to the control pannel and reconnect it. Also check the speed sensor. In most of the treadmill you can find the speed sensor near the motor pully. Remove the speed sensor and clean it and the refix it. Remember one thing remove the power of the treadmill and leave it for 30 minutes then only oppen the treadmill. Because there is high voltage storage capacitors in the motor control board which will hold charge for some time even after the power is disconnected. i have added the picture of IGBT for your refference.




ajin_g_52.jpg
OK

Aug 18, 2011 | Exercise & Fitness

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

Everything works. but the treadmill motor won't start when I press the on button.


If you press start and the belt will not turn, but your incline is working, the time is counting and the speed #'s change. The problem would most likely be the lower control board. It could also be your motor. Have a professional test the motor with a DC voltage source. If it tests OK the problem is almost certainly the control board. Depending on the brand, some control boards have a fuse. Have the fuse checked and if it is bad replace it and try starting the treadmill again before you buy a new control board.

Nov 23, 2010 | Proform CrossTrainer 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

1 Answer

My Tunturi Treadmill ramp is stuck in the top elevation position and will not run. I get a "Auto Syncing" message, but the machine will not run. Have tried unplugging etc, but it will not exit the mode...


Enter the testing mode after switching the treadmill POWER ON by pushing first ‘SELECT’ and then ‘SPEED DOWN’ and hold buttons pressed simultaneously.
LED scanning mode for verifying display functionality Press ‘ENTER’ to scan DATA LINES to verify display functionality Press ‘ENTER’ to scan SACN LINES to verify display functionality Press ‘ENTER’ to scan LED’s to verify display functionality After pressing ‘ENTER’ the TIME window shows “test” and the keypad functionality can be tested (the value displayed changes when a button is being pressed) Press ‘ENTER’ to enter IO mode (TIME display shows lift motor potentiometer value, SPEED reads speed from speed sensor and DISTANCE shows heart rate pulse) Press ‘START’ to test lower board relay (a “click” sound) and then press ‘ELEVATION UP’ for 2 seconds to increase the elevation to 8%. Press ‘ELEVATION DOWN’ to decrease the elevation to minimum percentage 0% Press ‘SPEED UP’ to increase speed value and ‘SPEED DOWN’ toto decrease speed value. Press ‘ENTER’ to repeat above test or ‘SELECT’ and ‘ SPEED DOWN’ buttons simultaneously to return to the normal mode
The lift motor calibration is done manually by following the following steps: 1. Drive the lift motor to 0% from user interface (inclination display must be 0%) 2. Switch off the treadmill and unplug the power cable 3. Remove motor cover 4. Fold up the running deck 5. Loosen two screws (A) attaching the lift motor nut (B) to the incline frame 6. Adjust the lift motor nut (B) so that there is 9 mm (.358 in ) gap between the upper end of the nut and the lift motor frame Tighten the screws (A) and verify correct elevation by measuring Adjusting lift motor to 0% position 2.76in 12% position 9.646 in measurement taken from floor to bottom of motor compartment frame.

Jun 11, 2010 | Tunturi T30 Programmable Treadmill

1 Answer

Error message E21


E21 means the treadmill is not picking up a speed signal once the start key is pressed. First, determine if the motor is turning before you get the E21 or not. If the motor turns, the speed sensor is the most likely problem. If it does not, you can manually turn the belt with your feet before you get the E21 and you should get a speed reading but eventually you will get an error code because it is almost impossible to keep the speed constant enough for the computer. Try running it through calibration with the motor shroud off.
Press the Stop and the Speed Up keys down while inserting the safety key.
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.
Press either incline key and the incline will calibrate automatically.
On this next step do not step on the treadmill when you 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 black square with a white center and is located near the three small speed wire connections 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.
If the motor does not run, test the motor but first unplug unit then unplug the two leads ( Red and Black ) that is connected to the Motor Control Board.Cordless drill battery- get a fully-charged, 18 volt (preferred) cordless drill battery and on most treadmills connect the red and black motor leads to the battery (some have different colors but if you have two wires and get it hooked up backwards, the motor will just run backwards and won’t be harmed). If good, the motor should operate at about 1 MPH. Then Motor Control Motor will need to replaced

May 21, 2010 | Proform 785 Treadmill

2 Answers

SOLE F80 TREADMILL STARTS TO RUN THEN STOPS. "LSI" OR "L51" APPEARS IN THE TIME BOX AND "LOW SPEED" APPEARS IN THE DISPLAY


SimplerFASTERSolution So, I had the same problem. After removing the motor cover I checked everything out per earlier instructions. Everything looked great. Having been a software geek for as long as I've been running (35 years), I as inclined to believe this wasn't a hardware problem at all. It appeared to me that the system just needed to be recalibrated. So...here's what I did. I turned the treadmill on and selected the "Manual" program and hit "Start". The monitor, as usual, counted down 3-2-1. As soon as the rollers started to move I hit the "Slow" button on the right upright several times so I knew that the treadmill was running at it's slowest speed. I then started walking on the belt. I started tapping the "Fast" button and let the belt gradually increase in speed and took it up to 6.0. No problem! But...nobody wants to start each workout that slowly. I had a hunch it was 'fixed'. So, I stopped the treadmill and turned everything off. I started it again, selected "Manual", immediately hit the "2" then he "4" then the "6" on the right hand "Speed" panel, and it ran like new. No service call, no new speed sensor, no fiddling with the little 'diode', etc. Give this a try first...no need to even remove the motor cover. Best of luck!

Apr 26, 2010 | Fitness Giant Sole Fitness F80 Folding...

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