Pro-Form 545S 831.29425.2 Treadmill Lower Motor Control Board MC2100 (BP401)

## ProForm 545S Lower Motor Control Board MC2100

The ProForm 545S 831.29425.2 treadmill lower motor control board is a used replacement control board for the treadmill’s motor control system. This MC2100 board, identified as BP401, may help restore proper operation when the original lower motor control board has failed or requires replacement. It provides a practical option for repairing a compatible ProForm treadmill instead of replacing the entire machine.

Product Details and Benefits

This product is a lower motor control board designed for the ProForm 545S treadmill, model 831.29425.2. The board is identified by the MC2100 designation and SKU BP401. It belongs to the lower control board category and serves as the replacement component being offered for the treadmill’s lower motor control assembly.

Each board is used and has been carefully inspected by skilled technicians before sale. This inspection helps confirm the part’s condition and supports safe use when installed in a compatible treadmill. Because this is a pre-owned fitness replacement part, its appearance may vary slightly from the product image. Differences can include the visible layout, markings, or general appearance of the board. However, the supplied part will match the listed model and part type.

Replacing a faulty control board can help a repair technician address problems within the treadmill’s motor control system. The correct board can also help extend the service life of an existing ProForm treadmill and reduce the cost and waste associated with replacing the complete exercise machine.

Compatibility and Applications

This MC2100 lower motor control board is listed for the following treadmill:

- **Brand:** ProForm
- **Treadmill model:** 545S
- **Model number:** 831.29425.2
- **Part type:** Lower motor control board
- **Board designation:** MC2100
- **SKU / product reference:** BP401
- **Listed serial number:** S13140071

The board is intended for use as a replacement lower control board in the specified ProForm 545S treadmill. It is suitable for repair projects involving a damaged, worn, or malfunctioning original lower motor control board, provided the existing part and treadmill details match the information in this listing.

## Why Choose This Used Replacement Part?

A tested used control board can offer a more affordable repair option for a compatible treadmill. It allows you to replace the relevant electronic component without purchasing a complete treadmill. Choosing a pre-owned fitness part also supports reuse by keeping serviceable equipment components in circulation and helping reduce unnecessary waste.

The board has been inspected before sale, and the product is supplied as the exact model and part type listed. This makes the item useful for treadmill owners, repair technicians, and fitness equipment service providers working on the ProForm 545S 831.29425.2.

Before You Buy

Confirm your treadmill’s brand, model number, and existing lower control board before ordering. Check that your current board uses the MC2100 designation and matches the BP401 product reference where applicable. Product images are provided for reference only, and the part you receive may look slightly different because multiple units are held in stock.

Installation details, dimensions, warranty information, and package contents are not specified in this listing. Have the board checked and installed by a qualified technician if you are not experienced with treadmill electronic components.