PRECOR 38952-103 Lower Efx Control Board Pcb Motor 5.21SI Controller

( Brand: Precor ), ( Manufacturer Part Number: 38952-103 ), ( Model: 5.21 ), ( Type: Motor Controller ), ( Item Height: Less Than 20 In ), ( Compatible Model: Efx 5.21si, 38952-103 ), ( Material: Plastic ), ( Sport/activity: Gym Training ), ( Suitable For: Elliptical ), ( Item Weight: Less Than 20 Lb ), ( Item Width: Less Than 10 In )

Review PRECOR Efx Lower Control Board Pcb Motor Controller Tested Oem

The Precor EFX 5.21SI Lower Control Board PCB Motor Controller is a sophisticated and advanced component designed for use in commercial grade elliptical trainers. This lower control board is an essential part of the machine's motor control system, allowing for precise and efficient operation of the elliptical machine's motor.

The board is designed with a microcontroller-based architecture, enabling it to process complex motor control algorithms and respond quickly to user input. It features a total of 12 motor control channels, each capable of handling a separate motor or resistance level. These channels allow for smooth and quiet operation of the machine's flywheel and resistance system, providing users with a natural and effective workout experience.

One of the key features of the Precor EFX 5.21SI Lower Control Board is its compatibility with a wide range of resistance systems, including air, magnetic, and eddy current. This versatility allows the elliptical trainer to offer a variety of resistance levels, catering to users of different fitness levels and goals.

The board also includes a number of built-in safety features, such as over-current protection and thermal overload protection. These features help to ensure the safe and reliable operation of the elliptical trainer, reducing the risk of damage to the machine or injury to the user.

The Precor EFX 5.21SI Lower Control Board is designed with a high degree of durability, featuring a robust and corrosion-resistant PCB and high-quality components. It is also compatible with Precor's EFX Console and EFX Connect, allowing users to track their workout data and progress over time.

Overall, the Precor EFX 5.21SI Lower Control Board PCB Motor Controller is an essential component for any commercial grade elliptical trainer. Its advanced motor control algorithms, compatibility with various resistance systems, built-in safety features, and durability make it an ideal choice for fitness centers and other commercial applications.

Precor EFX 5.21SI Lower Control Board PCB Motor Controller: A Detailed Analysis

The Precor EFX 5.21SI Lower Control Board PCB Motor Controller is a crucial component in treadmill operation. Here's a balanced assessment of its pros and cons:

1. Advanced Features: The Precor EFX 5.21SI controller offers advanced features such as multiple workout programs, heart rate control, and user-friendly interface.

2. Durability: Precor, a reputed brand in the fitness industry, is known for its robust and long-lasting components. This motor controller is no exception.

3. Compatibility: This controller is compatible with a wide range of Precor treadmills, making it a versatile choice for various models.

1. Expensive: Compared to some aftermarket alternatives, the Precor EFX 5.21SI controller can be quite pricey.

2. Complexity: Its advanced features might make it a more complicated option for users seeking a simple solution.

3. Availability: Due to its specific application, this component might not be readily available at local retailers and may require online purchases.

When considering the Precor EFX 5.21SI Lower Control Board PCB Motor Controller, it's essential to weigh its advanced features, durability, and compatibility against its price and potential complexity. If you own a Precor treadmill and need a reliable, high-performance controller, this might be the right choice. Conversely, if you're looking for a more budget-friendly or simpler alternative, it may be worth considering other options.

If you own a Precor treadmill and are in the market for a new motor controller, the Precor EFX 5.21SI Lower Control Board PCB Motor Controller is an excellent option due to its compatibility with your specific treadmill model and its advanced features. However, if you're seeking a more affordable or simpler alternative, it may be worth exploring aftermarket options or consulting with a professional technician for guidance.

Details:

Genuine OEM Precor part. May show normal cosmetic wear see photos. Shipping: Fast, secure shipping. No visible burns or major component damage.

Important: Please verify part number and compatibility before purchasing. Anti-static protection well padded packaging. All connectors intact and in good condition. Commonly replaced when the machine has power but does not operate correctly or resistance issues.

Pulled from a working unit. Type: Lower Motor Control Board / PCA. This board controls resistance and motor functions is a key component for proper machine operation. Feel free to message with any questions.

Details: model Compatibility: Precor EFX 5.21SI Elliptical. Part Number: 38952-103. Genuine Precor lower control board removed from a working EFX 5.21SI elliptical. Precor EFX 5.21SI Elliptical Lower Control Board PCB 38952-103 Tested Working.

Condition: Tested and fully functional. Function: This board regulates resistance and drive functions.

part #: 38952103 prices

• $150.00-$544.99

specifications partcardioequipmentio:

• brand: Precor
• mpn: 38952-103
• model: 5.21
• type: Motor Controller
• item height: Less Than 20 In
• compatible model: Efx 5.21si, 38952-103
• material: Plastic
• sport/activity: Gym Training
• suitable for: Elliptical
• item weight: Less Than 20 Lb
• item width: Less Than 10 In

shipping partcardioequipmentio:

• cost: $0.00
• service: FedEx Ground / FedEx Home Delivery
• carrier: FedEx
• transit: 3-7 Days
• class: Standard
• type: Calculated

general partcardioequipmentio:

• Fitness, Running Yoga > Cardio Equipment > Machine Parts Accessories
• condition: Used

payments partcardioequipmentio:

• credit card: Diners-club
• other
• wallet: Paypal

seller partcardioequipmentio:

• # reviews: 756
• rating: 99.0%
• city: Charlotte, North Carolina

returns partcardioequipmentio:

• paid by: Seller
• method: Money back
• time: 30 Days
• policy: Returns Accepted

offer partcardioequipmentio:

• sold: 0
• options: Ship-to-home
• best offers: True
• started: April 8, 2026
• quantity: 1
• availability: In Stock

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