Question about Horizon DT850 Motor Control Board
Everything else works but the belt won't move?
Step 1:please see the video and lube too the rollers bearing. Happy new year and God bless you
Step 2:test the input voltage motor, if there are voltage in the motor, the motor NEED repair, see the diagram attached, and see my personal TIPS for motor help.
Step 3:test the output voltage board, for input voltage motor, if there are NOT the board is faulty.
see the diagram attached.
Posted on Dec 31, 2012
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Posted on Jan 02, 2017
Loosen rear tension and recent and tighten.
First grab the walking belt on an edge and lift up, It should only lift up 3 inches, this about the right tension
There are two guides underneath near the front make sure the belt is underneath them. (they touch the white side)
If OKay, remove the endcap byu the tension control bolts (two screws underneath) and make sure you have adjustment room (threads showing on bolts toward the rear)
these bolts should look about the same position with respect to the roller.
Run the machine on slow, walk on it and try to stop the walking belt, if it slips - turn both rear bolts 1 turn clockwise.,repeat until it doesn't slip
Get off and run the machine on slow 2mph, turn the bolt on the side the belt wanders to 1/4 turn clockwise. If it goes over fast you may need turn the bolt 1 full turn right away (it shouldn't). If its kinda of stable - speed up machine to 5-6 and repeat.
Note the front of the belt should be centered first, this is preset and usually doesn't need adjustment
Posted on Aug 22, 2009
Unplug your treadmill and remove motor shroud ,locate Motor control board their a series of LEDs . Now without getting on treadmill hit start look down and you should a light starting to flicker this is your PWM signal, t the upper console sends a signal to the lower board and instructs the motor to start. This tells me that the upper board and cable are functioning properly and our problem is either the board or motor.
DC motors can be easily tested in a number of ways. Many times a motor is replaced only to find another problem exists so be sure to test the motor if you think it is a problem. Methods to test a motor: 1) 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. 2) Car battery- these are 12VDC high amp batteries so the motor will turn slowly but you can walk on the belt. Always be careful with battery acid on these things so we don’t recommend bringing them in the house…take the treadmill to the battery.
If the motor test good then all fingers point to the Motor Control Board replace the board. When was the last time lubricated the running deck?
Answer: Never ! Then I suggest you purchase lubricant and apply it on the deck about 75% to 85% of the problems are belt and deck related.
Posted on May 23, 2010
Testimonial: "Many thanks for prompt response, seems that the treadmill works only when in the upright position and not the horizontal as per normal. Gonna have to learn to run up walls i guess"
To find a specific bearing that has gone bad in a treadmill you can use a long handled screwdriver and touch it to a non-moving portion of the rollers and then put your ear up to the handle and the screwdriver will amplify the noise of the part so you can find out which part is making the noise. If it is a bearing, it will be obvious which part is the problem because the grinding noise of the bad bearing with be amplified by the screwdriver.
Posted on Jun 11, 2010
The manual said that after lubricating the deck, press Stop and Speed buttons together for 5 minutes and this will reset the lubrication message and the treadmill should work.
Posted on Aug 22, 2010
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