Question about Exercise & Fitness
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Posted on Jan 02, 2017
Unplug the treadmill then loosen the running belt and physically feel the full length of the deck and then chick the entire running belt something is stuck causing the scrapping.
Posted on May 18, 2010
You may have a belt and deck problem. Test by the following procedure: without the power on stand on the walking belt, push the belt in the direction it normally turns, if the belt is very difficult to turn (on most treadmill) this means that you have high belt/deck friction. Apply silicone lubricant between belt and deck beginning laterally at the motor shroud to end of the rear roller on each side
The deck should be smooth without any grooves, pits, or exposed wood. The belt should have a consistent ridged feel from one side of the belt to the other (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. Visually look at the underside of the belt. It should have a consistent look. Black streaks in the belt are a sign of bottom-layer wear through. Very worn belts will feel smooth in the areas you normally walk- you would think smooth is good but not in belts because the smoother the belt, the more contact area. 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:
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.
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.
You may have a short in the motor. If you turn the machine on and have erratic speed, you could have a problem in the DC board or the motor or both. With a simple multi-meter, you can test on the continuity scale to see if you have a closed circuit between either DC motor lead and the common earth ground. You should always have an open circuit.
You may have a speed signal problem. Your controls on the upper panel send a signal to the lower electronics to help them set the appropriate speed. If there is a problem in the signal generator, the communication links, or in the feedback links, you will have erratic speed operation.
Communications test- Look on the board for a flashing signal as you increase speed on the treadmill. Most boards have a signal feedback test light. If a LED flashes, your communication is ok.
Feedback test- If your unit is equipped with an optical feedback (disk inside a sensor) you can swap the feedback unit with the incline (it is the same part on many Icon machines). If it tests ok, you don’t have a problem here. If it is a magnetic feedback unit, 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.
Signal Generator- If you have a problem with the signal generator, your speed will be erratic with either a person on the machine or without a person on the machine. You may even get a speed error code from the unit.
Posted on Jun 15, 2010
If the console takes batteries, replace them. If this does not work or your console does not require batteries, check the reed switch or optic sensor. Reed Switch: Unplug the treadmill and remove the motor hood cover. The reed switch is mounted on the frame next to the front roller pulley. There is a magnet glued into the front roller pulley. When adjusting the reed switch, make sure it is pointing directly at the magnet. Move the tip of the reed switch within 1/8" of the magnet. Also, check to see that the wire is not damaged, and is connected to the console.
Optic Sensor: Unplug the treadmill and remove the motor hood cover. The optic disk and sensor are located either at the end of the motor or the right hand side of the front roller. The optic disk spins between two sensors on the optic switch. The disk must spin freely without touching either sensor. The sensors can be moved by loosening the adjustment bolt holding the switch to its bracket. The switch can then be slid. Center the disk.
Posted on Nov 15, 2011
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