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  3. Treadmill Control Board

Why Won't My Treadmill Start Even Though the Console Display Works?

Troubleshooting and Solutions

If your treadmill console display works but the treadmill won't start, it can be frustrating and prevent you from getting your workout done. Here are some common reasons for this issue and steps to troubleshoot and fix it.

Common Causes:

  1. Safety Key Not Engaged:

    • The treadmill won't start if the safety key is not properly inserted.
  2. Faulty Motor Control Board:

    • The motor control board that regulates the treadmill’s functions might be malfunctioning.
  3. Defective Motor:

    • The motor itself might be faulty, preventing the treadmill from starting.
  4. Issues with the Drive Belt:

    • The drive belt might be loose, broken, or off the pulley, causing the motor to run but not move the belt.
  5. Loose or Damaged Wiring:

    • There might be loose or damaged wires or connections within the treadmill.

Troubleshooting Steps:

  1. Check the Safety Key:

    • Ensure the safety key is properly inserted into the console. Without the safety key, the treadmill will not start.
    • If the safety key is missing or damaged, replace it with a compatible one.
  2. Inspect the Motor Control Board:

    • If the console display works but the treadmill won't start, the motor control board might be the issue.
    • Turn off the power to the treadmill and unplug it.
    • Remove the motor cover to access the motor control board.
    • Inspect the board for any visible signs of damage or burnt components.
    • Use a multimeter to test the motor control board for continuity. If it is faulty, consider having it repaired or replaced.
  3. Check the Motor:

    • The motor might be faulty if the treadmill won't start.
    • Turn off the power to the treadmill and unplug it.
    • Inspect the motor for any visible signs of damage or wear.
    • Use a multimeter to test the motor for continuity. If the motor is faulty, it may need to be replaced.
  4. Inspect the Drive Belt:

    • The drive belt connects the motor to the treadmill belt.
    • Turn off the power to the treadmill and unplug it.
    • Remove the motor cover and inspect the drive belt for any signs of damage, looseness, or misalignment.
    • If the drive belt is loose, tighten it according to the manufacturer's instructions. If it is damaged, replace it.
  5. Check the Wiring and Connections:

    • Inspect the wiring connected to the motor control board, motor, and other components for any signs of damage or loose connections.
    • Ensure all connections are tight and secure.
    • Repair or replace any damaged wiring as necessary.

Replacing Faulty Components:

  1. Replacing the Safety Key:

    • Purchase a replacement safety key that matches your treadmill model.
    • Insert the new safety key into the console and ensure it is properly engaged.
  2. Repairing or Replacing the Motor Control Board:

    • If the motor control board is identified as the issue, consider sending it to UpFix for repair. This can save you up to 80% compared to buying a new motor control board.
    • Remove the faulty motor control board and send it to UpFix. Reinstall the repaired board once you receive it back.
  3. Replacing the Drive Belt:

    • Purchase a replacement drive belt that matches your treadmill model.
    • Follow the manufacturer's instructions to replace the drive belt. Typically, this involves loosening the motor bolts, removing the old belt, installing the new belt, and tightening the motor bolts.
  4. Replacing the Motor:

    • If the motor is identified as the issue, purchase a replacement motor that matches your treadmill model.
    • Follow the manufacturer's instructions to replace the motor. Typically, this involves disconnecting the old motor and connecting the new one in its place.
    • Secure the new motor and reassemble the treadmill.

Additional Solutions:

If you identify that the issue is related to the motor control board or other electronic components, consider sending your faulty control board to UpFix for repair. UpFix offers repair services that can save you up to 80% compared to buying new components, while also supporting an eco-friendly service by reducing electronic waste.

Safety Reminder:

Always turn off the power to the treadmill and unplug it before performing any repairs or adjustments. If you are unsure about any steps, it’s crucial to contact a professional technician for assistance.


For a cost-effective and eco-friendly solution to control board issues, send your faulty control board to UpFix for repair and save up to 80%! Visit UpFix.com for more details.