My treadmill specs are 29956 Proform 750 CS low profile treadmill. I have a Tech Sheet part # 174283 with wiring diagram that came with the treadmill. The Power Board LED troubleshooting test revealed no problem all Four LED lights are lit. When performing the MC-60 SCR Motor Controller LED test everything points toward the D7- labeled SPD CNTRL , this LED does not light and the speed is set above o.o, but the D11 does light it indicates a problem with the speed wires or console wires. I can't find a thing wrong with the wires. D11 is the only LED lit on the card and it indicates the controller is outputting 12VDC to the speed pot. Any ideas?
Please LUBE the deck belt+rollers bearing. see the video attached.
If the problem persist TIME to replace the old deck belt board.
This happen because the lack of maintenance schedule in LUBE.
God bless you
note:forget it the LEDS troubleshooting, you must see the functions ONLY when there are electronic problem with the electronic board+sensor
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