ProForm Treadmill Instruction Manual: A Comprehensive Guide
Welcome! This comprehensive guide details the setup, operation, maintenance, and troubleshooting of your ProForm treadmill, ensuring a safe and effective workout experience.
Important Note: Always refer to this manual and heed all warnings before using your ProForm treadmill, as ProForm and iFit are registered trademarks.
Performance: The Performance 400I treadmill offers a selection of features designed to enhance your fitness journey, providing an impressive workout experience.
Understanding Your ProForm Treadmill
Your ProForm treadmill is a sophisticated piece of fitness equipment designed for home use, offering a convenient and effective way to achieve your workout goals. This section provides a foundational understanding of its core components and functionalities. The Performance 400I model, like others in the ProForm line, integrates advanced features for a customized exercise experience.
Familiarize yourself with the treadmill’s frame, motor cover, console, handlebars, running belt, and deck. The console serves as the central control hub, displaying workout data and allowing you to adjust speed and incline. The running belt is a crucial component, requiring regular maintenance for optimal performance.
ProForm and iFit are registered trademarks, highlighting the brand’s commitment to innovation and quality. Before operation, carefully review all safety precautions and instructions detailed in this manual, alongside all warnings affixed to the treadmill itself. Understanding these elements will ensure safe and effective use.
Model Identification and Key Features
Identifying your specific ProForm treadmill model is crucial for accessing the correct support and resources. The Performance 400I is a popular choice, known for its blend of features and affordability; Locate the model number on the treadmill’s frame, typically near the motor cover or on a sticker beneath the console.
Key features often include a powerful motor, adjustable incline levels, and a user-friendly console display. Many ProForm models boast iFit compatibility, unlocking a vast library of interactive workouts. The running surface dimensions vary by model, impacting comfort and stride length.
ProForm and iFit are registered trademarks, representing quality and innovation. This manual provides essential information for all users. Understanding your model’s specific features will maximize your workout experience and ensure proper maintenance. Refer to the specifications section for detailed information.

Safety First: Important Precautions
Prioritize safety! Before operating your ProForm treadmill, carefully review all warnings and precautions outlined in this manual. Always connect the safety key to your clothing during use; this emergency stop mechanism is vital. Keep children and pets away from the treadmill at all times.
Inspect the treadmill before each workout, checking for any loose parts or damage. Use the treadmill in a well-lit, spacious area, free from obstructions. Wear appropriate athletic shoes and clothing. Never attempt to repair the treadmill yourself; contact qualified service personnel.
ProForm and iFit emphasize user safety. Disconnect the power cord when not in use or during maintenance. Be aware of your physical limits and consult a physician before starting any new exercise program. Ignoring these precautions could result in injury. Always follow instructions!
Before You Begin: Assembly Instructions
Careful assembly is crucial! Before your first workout on your new ProForm treadmill, thoroughly follow these assembly instructions. Begin by unpacking all components and verifying against the component checklist. Ensure you have adequate space and tools readily available.
Refer to the detailed diagrams provided in this manual for step-by-step guidance. Start with the frame assembly, securely attaching all components with the provided hardware. Next, install the motor cover, ensuring proper alignment. Carefully attach the console and handlebars, connecting all necessary cables.
ProForm recommends having a second person assist with assembly, particularly during the frame and console attachment stages. Double-check all connections for tightness and stability. Proper assembly ensures safe and optimal performance.
Component Checklist
Verify all parts are present! Before beginning assembly of your ProForm treadmill, carefully compare the contents of the box with the following component checklist. This ensures a smooth and frustration-free setup process.
Essential Components: Frame (Left & Right), Motor Cover, Console, Handlebars, Running Belt, Safety Key, Hardware Kit (bolts, washers, nuts), Power Cord, and this Instruction Manual.
Additional Items: Depending on your model (Performance 400I or similar), you may also find iFit compatibility components or optional accessories. If any components are missing or damaged, immediately contact ProForm customer support. Do not attempt to assemble the treadmill with missing parts. Refer to the diagrams within this manual for visual identification of each component.

Setting Up Your ProForm Treadmill
Begin the assembly! This section provides step-by-step instructions for unboxing, assembling the frame, installing the motor cover, and attaching the console and handlebars.
Unboxing and Initial Inspection
Carefully unpack your new ProForm treadmill, ensuring you have ample space to avoid damaging the components. Begin by cutting the straps and removing the shipping materials, taking care not to use a sharp object that could harm the treadmill parts.

Thoroughly inspect all components for any signs of shipping damage. Check the frame, motor cover, console, handlebars, and all included hardware. If you notice any damage, immediately contact customer support before proceeding with assembly.
Verify the contents against the component checklist (detailed in a separate section of this manual) to ensure all parts are present. Lay out all the parts in an organized manner to facilitate a smooth assembly process. Retain the original packaging until you are satisfied with the treadmill’s condition and functionality.
Important: Do not discard the packaging materials until you have completed the assembly and confirmed that all parts are in good working order.
Frame Assembly
Begin the frame assembly by attaching the base frame components. Refer to the detailed diagrams provided in this manual for proper orientation and alignment. Use the provided hardware – bolts, washers, and nuts – to securely fasten the frame sections together.
Ensure all bolts are tightened firmly, but avoid over-tightening, which could potentially damage the frame. Double-check the connections to guarantee stability and prevent wobbling during operation. The upright frame posts should be attached next, again using the specified hardware and following the illustrated steps.
Pay close attention to the alignment of the upright posts, ensuring they are perpendicular to the base frame. This is crucial for proper console and handlebar attachment later in the assembly process. Once the upright posts are secured, carefully inspect the entire frame for any loose connections or misalignments.
Stability is key: A properly assembled frame is fundamental to the safe and effective operation of your ProForm treadmill.
Motor Cover Installation

Proceed with the motor cover installation after the frame assembly is complete. Locate the motor cover components – typically a plastic or metal shield – and position it over the motor housing at the rear of the treadmill frame. Align the cover with the pre-drilled holes on the frame.
Secure the motor cover using the screws provided in the hardware pack. Tighten the screws gradually in a crisscross pattern to ensure even pressure and prevent warping. Do not over-tighten, as this could crack the cover or strip the screw threads.
The motor cover serves a crucial safety function by protecting the motor from dust, debris, and accidental contact during operation. Ensure the cover is firmly attached and fully encloses the motor housing. Inspect the cover for any gaps or loose areas.
Proper installation contributes to the longevity and safe operation of your ProForm treadmill’s motor.
Console and Handlebar Attachment

Begin the console and handlebar attachment by carefully lifting the assembled handlebar unit. Align the base of the handlebar posts with the designated mounting points on the treadmill frame, typically at the front. Ensure the wiring harness extending from the console has sufficient slack to prevent strain during movement.
Secure the handlebars using the provided bolts and washers. Tighten the bolts firmly, but avoid over-tightening, which could damage the frame or handlebar assembly. Once the handlebars are secure, carefully position the console onto the designated mounting bracket.
Connect the console wiring harness to the corresponding port on the treadmill’s main control board. Ensure the connection is secure and properly seated. Finally, attach the console to the handlebar unit using the appropriate screws.
Verify all connections are secure before proceeding, ensuring proper functionality of the ProForm treadmill’s console.

Operating Your ProForm Treadmill
Power on your ProForm treadmill and familiarize yourself with the console interface. Learn to start, stop, and adjust speed and incline for optimal workouts.
Powering On and Initial Console Display
Initial Power-Up: To begin, ensure the treadmill is properly plugged into a grounded electrical outlet. Locate the power switch, typically found near the power cord inlet, and switch it to the ‘ON’ position. The console display will illuminate, initiating a self-test sequence. This brief diagnostic check verifies the functionality of essential components.
Console Display Overview: Upon completion of the self-test, the console will display key workout metrics. Expect to see fields indicating speed (typically in miles per hour or kilometers per hour), incline (expressed in percentage), elapsed time, distance traveled, and estimated calorie burn. Some models may also showcase heart rate data if a compatible heart rate monitor is connected.
User Profile Selection: Depending on your treadmill model, you may be prompted to select a user profile. This allows the console to personalize workout data based on individual settings. If no profile is selected, the treadmill will typically default to a guest profile. Familiarize yourself with the console’s button layout to navigate these initial settings efficiently.
Understanding the Console Interface
Key Buttons & Controls: The console interface features several key buttons. ‘Start’ and ‘Stop’ control workout initiation and termination. ‘Speed Up’ and ‘Speed Down’ adjust the treadmill belt’s velocity. ‘Incline Up’ and ‘Incline Down’ modify the deck’s angle. A ‘Quick Select’ panel allows for rapid speed and incline adjustments.
Display Navigation: Utilize the directional buttons to navigate through various display screens, showcasing different workout metrics. A ‘Menu’ or ‘Options’ button provides access to settings like user profiles, workout programs, and iFit integration.
Data Fields: The console displays crucial data: speed, incline, time, distance, calories burned, and heart rate (if applicable). Some models feature a dot-matrix display or a larger LCD screen for enhanced visualization. Understanding these data fields is vital for monitoring your progress and optimizing your workout intensity.
Starting and Stopping Workouts
Initiating a Workout: To begin, ensure the safety key is securely inserted. Press the ‘Start’ button. The treadmill will gradually increase speed, allowing you to comfortably step onto the moving belt. Select a pre-programmed workout or manually adjust speed and incline using the corresponding controls.
Manual Mode: In manual mode, you have complete control over speed and incline. Start at a comfortable pace and gradually increase intensity as desired. Monitor your heart rate and adjust accordingly.
Stopping a Workout: To halt the treadmill, press the ‘Stop’ button. The belt will gradually decelerate. For an emergency stop, pull the safety key. Important: Always allow the treadmill to come to a complete stop before stepping off. Never abruptly disconnect power during operation.
Adjusting Speed and Incline
Speed Control: The treadmill console features clearly marked speed adjustment buttons – typically ‘Increase’ and ‘Decrease’. Pressing these buttons incrementally changes the belt speed. Some models offer quick speed selection buttons for preset paces. Monitor the console display to track your current speed.
Incline Control: Similarly, incline is adjusted using ‘Increase’ and ‘Decrease’ buttons. The incline level is displayed on the console, indicating the steepness of the running surface; Gradual incline adjustments are recommended to avoid sudden changes in workout intensity.
Combined Adjustments: You can simultaneously adjust both speed and incline to customize your workout. Experiment with different combinations to find settings that challenge you appropriately. Remember to prioritize safety and listen to your body.

Workout Programs and iFit Integration
Explore Fitness: Your ProForm treadmill offers pre-programmed workouts and seamless iFit integration for diverse training options, enhancing your fitness journey.
Subscription Details: iFit compatibility unlocks a world of on-demand classes and personalized training plans, requiring a separate subscription.
Pre-programmed Workout Options
Variety is Key: Your ProForm treadmill comes equipped with a diverse range of pre-programmed workout options designed to cater to various fitness levels and goals. These workouts are professionally designed to provide structured and effective training sessions, eliminating the need for manual adjustments during your exercise routine.
Workout Categories: Explore options like calorie burn programs, designed to maximize fat loss; incline workouts, which build lower body strength and endurance; and interval training programs, known for their high-intensity bursts followed by recovery periods. Additionally, you’ll find programs focused on distance, time, or manual control, allowing for customized sessions.
Easy Selection: Navigating these programs is straightforward through the treadmill’s console interface. Simply browse the available options, select your desired workout, and let the treadmill automatically adjust speed and incline according to the pre-set parameters. This feature is ideal for beginners or those seeking a guided workout experience, ensuring a challenging yet manageable session.
Progress Tracking: Many pre-programmed workouts also provide real-time feedback on key metrics such as time elapsed, distance covered, calories burned, and heart rate (if a heart rate monitor is connected), helping you track your progress and stay motivated.
iFit Compatibility and Subscription Details
Interactive Fitness: Your ProForm treadmill is designed with iFit compatibility, unlocking a world of immersive and interactive workout experiences. iFit is a subscription-based fitness platform offering a vast library of on-demand workouts led by certified trainers, streamed directly to your treadmill’s console.
Subscription Options: iFit offers various subscription tiers, typically including individual and family plans. These plans grant access to a continually expanding library of workouts, including studio classes, global workouts filmed in stunning locations, and personalized training programs.
Connectivity: Connecting to iFit usually requires a stable internet connection and following the on-screen prompts on your treadmill’s console. You’ll need to create an iFit account and select a subscription plan to begin accessing the content.
Enhanced Experience: With iFit, trainers can automatically adjust your treadmill’s speed and incline, creating a truly immersive and challenging workout. Explore scenic routes, compete with other users, and track your progress – all within the iFit ecosystem. ProForm and iFit are registered trademarks of iFIT Inc.
Downloading and Using iFit Workouts
Workout Access: Once subscribed to iFit, you can download workouts directly to your ProForm treadmill’s console, ensuring access even without a constant internet connection. The downloading process is typically initiated through the console’s menu, allowing you to select specific workouts or entire series.
Workout Selection: Browse the iFit library using the console’s touchscreen interface. Filter workouts by trainer, duration, intensity, workout type (e.g., HIIT, endurance, yoga), and more to find the perfect fit for your fitness goals.
Starting a Workout: Select your desired workout and follow the on-screen prompts to begin. The trainer will guide you through the session, often automatically adjusting the treadmill’s speed and incline.
Interactive Features: Engage with the interactive features of iFit, such as tracking your stats, viewing performance metrics, and competing with other users. ProForm and iFit are registered trademarks of iFIT Inc., enhancing your fitness journey.
Creating Custom Workout Profiles
Personalized Fitness: Your ProForm treadmill allows you to create custom workout profiles tailored to your individual fitness level and goals. This feature enables you to design workouts that precisely match your preferences and track your progress effectively.
Profile Setup: Access the “User Profiles” section within the console’s settings. Input your personal information, including age, weight, and height, to establish a baseline for accurate calorie burn and distance calculations.
Workout Customization: Define your desired workout parameters, such as duration, speed range, incline levels, and warm-up/cool-down periods. Save these settings as a custom profile for quick access during future workouts.
Progress Tracking: Monitor your performance within each custom profile, tracking metrics like distance, time, calories burned, and average speed. ProForm and iFit are registered trademarks, supporting your personalized fitness journey.

Maintenance and Troubleshooting
Keep it Running: Regular belt maintenance, cleaning, and prompt attention to error codes will ensure your ProForm treadmill operates smoothly and reliably for years.
Troubleshooting: Addressing common issues quickly prevents further damage and keeps your workouts uninterrupted, maximizing your fitness experience.
Belt Maintenance and Adjustment
Maintaining Optimal Performance: The treadmill belt is a crucial component, requiring regular attention to ensure smooth operation and extend its lifespan. Periodically inspect the belt for signs of wear, such as fraying, cracking, or unevenness. A well-maintained belt minimizes friction, reduces noise, and prevents slippage during workouts.
Belt Tension Adjustment: If you notice the belt slipping, or feel resistance when walking or running, it may require adjustment. Refer to the manual for specific instructions on how to adjust the belt tension using the rear roller adjustment bolts. Tighten the bolts incrementally, checking the belt tension after each adjustment. Avoid over-tightening, as this can strain the motor and bearings.
Lubrication is Key: Proper lubrication reduces friction and prevents premature wear. Use a silicone-based lubricant specifically designed for treadmill belts. Apply the lubricant evenly under the belt, following the manual’s recommendations for frequency and amount. Avoid using oil-based lubricants, as they can damage the belt and deck. Regular lubrication contributes to a quieter, smoother, and more efficient workout experience.
Regular Cleaning Procedures
Maintaining a Hygienic Workout Space: Consistent cleaning is vital for preserving the longevity and hygiene of your ProForm treadmill. Dust, sweat, and debris can accumulate, impacting performance and potentially causing damage. Establish a routine to keep your treadmill in optimal condition.
Console and Surfaces: Regularly wipe down the console, handlebars, and other exposed surfaces with a damp, non-abrasive cloth. Avoid harsh chemicals or solvents, as they can damage the finish. A mild soap solution is generally sufficient for removing dirt and grime.
Belt and Deck Cleaning: Periodically vacuum the area around the belt and deck to remove dust and debris. Use a soft brush to gently clean the sides of the belt. Avoid getting liquids on the deck or motor. Following these procedures, as outlined in your manual, will ensure a clean and safe workout environment.
Troubleshooting Common Issues
Addressing Operational Concerns: This section outlines solutions to frequently encountered problems with your ProForm treadmill. Before attempting any repairs, ensure the treadmill is powered off and unplugged for safety. Consult your manual for detailed diagrams and specific instructions.
Power Issues: If the treadmill fails to power on, check the power cord connection and the circuit breaker. Ensure the console is properly receiving power. A faulty power cord may require replacement.
Belt Slippage: If the belt slips during use, tighten the belt adjustment bolts located at the rear of the treadmill. Refer to the manual for precise adjustment procedures. Consistent belt maintenance, as described in this manual, is crucial for optimal performance. If issues persist, contact customer support.
Error Code Interpretation
Decoding Console Messages: Your ProForm treadmill’s console displays error codes to indicate specific malfunctions. This section provides a basic interpretation of common codes; however, always consult your manual for a complete list and detailed troubleshooting steps. Ignoring error codes can lead to further damage.
Error 1: Often indicates a communication error between the console and the motor controller. Try restarting the treadmill. If the error persists, contact customer support.

Error 2: Typically signals an issue with the incline motor. Check for obstructions and ensure proper wiring. Do not attempt to repair the incline motor yourself; professional service is recommended.
Error 3: May point to a problem with the speed sensor. Inspect the sensor and its connection. Refer to the manual for location and testing procedures.
Important: Always unplug the treadmill before inspecting any components.