Pro-Form 400 GI 831.29535.0 Treadmill Lower Motor Control Board MC-2100 (BP504)

## Pro-Form 400 GI Treadmill Lower Motor Control Board MC-2100 (BP504)

The Pro-Form 400 GI 831.29535.0 treadmill lower motor control board is a replacement electronic control board for the treadmill’s lower control system. This part helps manage the motor-related functions within the machine and may be needed when the original lower motor control board becomes damaged or stops working correctly. If your treadmill requires an MC-2100 control board marked BP504, this replacement part may provide the correct match for your repair.

Product Details and Benefits

This ProForm lower control board carries the following product identification:

- **Brand:** ProForm
- **Product type:** Treadmill lower motor control board
- **Compatible treadmill:** Pro-Form 400 GI
- **Treadmill model number:** 831.29535.0
- **Board designation:** MC-2100
- **Part number / SKU:** BP504
- **Barcode:** BP504
- **Listed serial number:** S15380348

The lower motor control board serves as an important part of the treadmill’s electrical control system. It connects with the treadmill’s motor and related controls to support the machine’s operating functions. Replacing a faulty board can help address a treadmill that does not respond correctly, provided the board is the cause of the problem and the replacement matches the original part.

This product is intended as a component replacement rather than a complete treadmill assembly. It does not represent the full treadmill, motor, console, wiring harness, or other control parts. The listing identifies it specifically as the lower motor control board for the Pro-Form 400 GI treadmill.

Compatibility and Applications

The **Pro-Form 400 GI 831.29535.0 Treadmill Lower Motor Control Board MC-2100 (BP504)** is listed for use with the Pro-Form 400 GI treadmill, model **831.29535.0**. It is also identified by the **MC-2100** board designation and **BP504** part number.

This replacement board is intended for repair or refurbishment work on the matching ProForm treadmill. Use it when you need to replace the original lower motor control board and the identification markings match the information shown above.

### Why Choose This Replacement Board?

Replacing the control board instead of replacing the entire treadmill can help focus a repair on the specific electronic component involved. A correctly matched lower motor control board may also help restore the treadmill’s motor-control system without changing unrelated parts. The clear model, board, and part number information makes it easier to compare this item with the board currently installed in your machine.

Before You Buy

Confirm that your treadmill is a **Pro-Form 400 GI**, model **831.29535.0**, before ordering. Compare the original board’s markings with **MC-2100**, **BP504**, and the listed serial number **S15380348**. Treadmill parts can vary by model and production version, so do not rely on appearance alone. If your existing board uses a different designation or part number, verify compatibility before purchase. Installation involves the treadmill’s electrical control system, so use appropriate safety precautions and seek qualified repair assistance when needed.