1. Introduction
Thank you for choosing the FITFIU Fitness MC-140 Treadmill. This manual provides essential information for the safe assembly, operation, and maintenance of your new fitness equipment. Please read this manual thoroughly before using the treadmill to ensure proper function and to prevent injury.
2. Safety Information
Your safety is paramount. Please observe the following precautions:
- Always consult with a physician before starting any new exercise program.
- Ensure the treadmill is placed on a flat, stable surface with adequate clearance around it.
- Keep children and pets away from the treadmill during operation.
- Use the magnetic safety key at all times. Attach the clip to your clothing. In case of an emergency, the treadmill will stop immediately if the safety key is dislodged.
- Do not exceed the maximum user weight of 120 kg.
- Wear appropriate athletic footwear and clothing.
- Do not operate the treadmill if it is damaged or malfunctioning.
- Unplug the treadmill from the power outlet when not in use or before cleaning and maintenance.
3. Package Contents
Upon unpacking, please verify that all components are present:
- FITFIU Fitness MC-140 Treadmill unit
- User Manual (this document)
- Tool Kit for assembly
- Magnetic Safety Key
4. Product Overview
The FITFIU Fitness MC-140 is a versatile 2-in-1 foldable treadmill designed for both walking and running. It features a powerful motor, adjustable incline, and smart connectivity options.

Image 4.1: The FITFIU Fitness MC-140 Treadmill, shown in both its unfolded operational state and its compact folded storage position.
Key Features:
- Motor: 1500W quiet motor for smooth operation.
- Speed Range: Adjustable from 1 km/h up to 12 km/h.
- Incline: 2 manual incline levels (approximately 1.6° and 5°).
- Running Surface: Spacious 42 x 100 cm non-slip belt.
- Programs: 12 pre-defined training programs.
- Connectivity: Bluetooth for app integration (Zwift, Kinomap, ASP) and music playback through integrated speakers.
- Convenience: Foldable design for compact storage, transport wheels, and a built-in PC/tablet holder.
- Safety: Magnetic emergency stop system.

Image 4.2: Close-up view of the treadmill's non-slip running surface, highlighting its dimensions of 42 cm width and 100 cm length.

Image 4.3: Diagram illustrating the 7-layer shock absorption system (VCS - Variable Cushioning System) of the treadmill, designed for comfort and safety during exercise.

Image 4.4: The treadmill's console area featuring a built-in support designed to hold a laptop or tablet, allowing users to work or enjoy entertainment while exercising.
5. Setup Instructions
The FITFIU Fitness MC-140 Treadmill is designed for easy assembly. Follow these steps to set up your treadmill:
- Unpack: Carefully remove all components from the packaging.
- Position: Place the main treadmill unit on a flat, stable surface in your desired exercise area. Ensure there is sufficient space around the unit for safe operation and access.
- Unfold: Gently lift the console and handlebars into the upright position. Secure them according to the specific locking mechanism (refer to the included quick-start guide for visual instructions if available).
- Connect: Plug the power cord into a grounded electrical outlet.
- Safety Key: Attach the magnetic safety key to the designated spot on the console. The treadmill will not operate without it.
- Initial Check: Before first use, ensure all bolts and connections are secure.
6. Operating Instructions
6.1 Basic Operation
- Power On: Ensure the safety key is in place and the treadmill is plugged in. Press the 'Start' button on the console.
- Adjust Speed: Use the '+' and '-' buttons to increase or decrease the running speed. The speed can be adjusted up to 12 km/h.
- Stop: Press the 'Stop' button to gradually slow down and stop the treadmill. In an emergency, pull the magnetic safety key to stop the treadmill immediately.

Image 6.1: Illustration of the treadmill's speed capabilities, indicating a range of 1-5 km/h for walking and 5-12 km/h for running.
6.2 Training Programs
The MC-140 includes 12 pre-defined training programs (P01-P12) to vary your workout intensity.
- Select Program: While the treadmill is stopped or in standby mode, press the 'Program' button to cycle through the available programs.
- Start Program: Once your desired program is displayed, press 'Start' to begin the workout. The treadmill will automatically adjust speed according to the program's profile.

Image 6.2: The treadmill's control panel, showing the digital display and buttons, with an overlay illustrating the 12 predefined training programs (P01-P12) available for varied workouts.
6.3 Incline Adjustment
The MC-140 features 2 manual incline levels to increase workout intensity.
- Adjust Incline: To change the incline, you must manually adjust the support feet at the rear of the treadmill. Ensure the treadmill is stopped and unplugged before making adjustments.
- Levels: The two levels provide approximately 1.6° and 5° of incline.

Image 6.3: A visual representation of the treadmill's manual incline feature, showing how the running surface can be set to two different angles (1.6° and 5°) to increase workout difficulty.
6.4 App Connectivity (Bluetooth)
Enhance your training experience by connecting your treadmill to compatible fitness applications via Bluetooth.
- Enable Bluetooth: Ensure Bluetooth is enabled on your smartphone or tablet.
- Download App: Download and install a compatible app such as Zwift, Kinomap, or ASP from your device's app store.
- Pair Device: Follow the instructions within the chosen app to pair it with your MC-140 treadmill.
- Music Playback: You can also connect your device via Bluetooth to play music through the treadmill's integrated speakers.

Image 6.4: The treadmill's control panel alongside graphics indicating compatibility with popular fitness applications like Kinomap and Zwift, allowing for interactive and immersive workouts.
7. Maintenance
Regular maintenance ensures the longevity and optimal performance of your treadmill.
- Cleaning: Wipe down the treadmill after each use with a damp cloth to remove sweat and dust. Do not use abrasive cleaners.
- Lubrication: Periodically check the running belt for proper lubrication. If the belt feels dry or sticky, apply silicone lubricant as per the instructions in the quick-start guide (usually every 3-6 months depending on usage).
- Belt Tension: Check the running belt tension and alignment regularly. Adjust if necessary using the provided tools, following the instructions in the quick-start guide.
- Storage: When not in use, the treadmill can be folded for compact storage. Use the transport wheels to move it easily.

Image 7.1: The treadmill in its folded, compact state, demonstrating its space-saving design and ease of storage, with dimensions of 108 x 59 x 11 cm.
8. Troubleshooting
If you encounter issues with your MC-140 treadmill, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Treadmill does not start | Safety key not in place; Power cord unplugged; Power switch off | Ensure safety key is correctly placed; Check power cord connection; Turn on power switch |
| Running belt slips or hesitates | Belt tension too loose; Lack of lubrication | Adjust belt tension (refer to manual); Apply silicone lubricant |
| Unusual noise during operation | Loose components; Belt misalignment; Motor issue | Check and tighten all bolts; Adjust belt alignment; If noise persists, contact customer support |
| Console display not working | Loose cable connection; Power issue | Check console cable connections; Verify power supply |
If the problem persists after attempting these solutions, please contact FITFIU Fitness customer support.
9. Specifications
Detailed technical specifications for the FITFIU Fitness MC-140 Treadmill:

Image 9.1: A summary graphic detailing the key specifications of the FITFIU Fitness MC-140 Treadmill, including maximum speed, running surface, power, incline, and maximum user weight.
- Brand: Fitfiu Fitness
- Model Number: 1100058
- Product Dimensions (Unfolded): 108 cm (length) x 59 cm (width) x 120 cm (height)
- Product Dimensions (Folded): 108 cm (length) x 59 cm (width) x 11 cm (height)
- Product Weight: 22 kg
- Material: Stainless Steel
- Maximum Speed: 12 Kilometers per hour
- Motor Power: 1500W
- Running Surface: 42 x 100 cm
- Incline Levels: 2 manual levels (approx. 1.6° and 5°)
- Maximum User Weight: 120 kg
- Special Features: Foldable, Manual Incline, Transport Wheels, Bluetooth Connectivity, App Compatibility (Zwift, Kinomap, ASP), PC/Tablet Holder
- Recommended Uses: Running, Walking, Home and Office Exercise, Fitness, Rehabilitation, Daily Exercise, Weight Loss, Training, Cardiovascular Exercise, Indoor Use
- Target Audience: Adult
- Country of Origin: China
10. Warranty and Support
For warranty information, product support, or to purchase replacement parts, please refer to the warranty card included with your product or visit the official FITFIU Fitness website. Keep your purchase receipt as proof of purchase for warranty claims.





