THERUN S-XBD400-Treadmills
THERUN Walking Pad Treadmill User Manual
Model: S-XBD400-Treadmills | Brand: THERUN
1. Introduction
1.1 Product Overview
The THERUN Walking Pad Treadmill (Model S-XBD400-Treadmills) is a versatile 2-in-1 fitness machine designed for both walking and running. It features a powerful 3.0 HP quiet motor, an 18-inch widened running belt, and a robust steel frame supporting up to 350 lbs. This compact and foldable treadmill is ideal for home use, offering speeds from 0.5 to 8 mph to accommodate various exercise needs. It includes app connectivity via Bluetooth and a remote control for convenient operation.
1.2 Safety Information
Before operating the treadmill, please read this manual thoroughly and retain it for future reference. Always consult with a healthcare professional 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 emergency stop feature if needed.
2. Setup
2.1 Assembly
The THERUN Walking Pad Treadmill requires minimal assembly. Carefully unpack all components. The handle bar can be easily raised or folded down. Refer to the included quick start guide for specific steps on attaching any minor components like the tablet holder.
2.2 Initial Power-Up
To power on the treadmill, locate the power input port at the rear of the unit. Connect the provided power cord securely to the treadmill and then plug it into a standard electrical outlet. Once connected, locate the main power switch, typically near the power input, and flip it to the 'ON' position. The LED display on the running board will illuminate, indicating the unit is ready for operation.

Figure 1: THERUN Walking Pad Treadmill in both running and walking configurations.
3. Operating Instructions
3.1 Modes of Operation
The treadmill offers two primary modes:
- Walking Pad Mode: With the handle bar folded down, the treadmill functions as a walking pad, ideal for use under a desk. Speeds range from 0.5 to 4 mph.
- Treadmill Mode: With the handle bar raised, it operates as a full treadmill, supporting speeds from 0.5 to 8 mph for running and brisk walking.

Figure 2: Demonstrating the 2-in-1 functionality for walking and running.
3.2 Control Panel and Remote Control
The treadmill can be controlled via the integrated control panel on the handle or the included remote control. The control panel features a start/stop button (green play icon) and speed adjustment buttons (+/-). The LED display shows speed, distance, calories, time, and steps. The remote control allows for convenient adjustment of speed and stopping the treadmill during your workout.

Figure 3: The widened 18-inch running belt provides a comfortable and spacious area for exercise.
3.3 App Connection
Connect the treadmill to the companion app via Bluetooth to enhance your workout experience. The app allows you to track exercise data, receive exercise tips, access healthy diet recommendations, and explore exclusive fitness programs. This feature provides a comprehensive overview of your progress and helps you stay motivated.

Figure 4: Connect to a sports app via Bluetooth for an interactive home gym experience.
4. Maintenance
4.1 Cleaning
Regularly clean your treadmill to ensure optimal performance and longevity. Wipe down the surfaces with a damp cloth after each use to remove sweat and dust. Avoid using abrasive cleaners or solvents that could damage the finish. Periodically vacuum under the treadmill to prevent dust buildup from affecting internal components.
4.2 Belt Lubrication and Adjustment
The running belt requires periodic lubrication to reduce friction and extend its lifespan. Refer to the specific instructions in your quick start guide for the recommended lubrication schedule and procedure. Ensure the belt is properly tensioned and centered to prevent slipping or excessive wear. Adjustments should be made according to the instructions provided to maintain smooth operation.
5. Troubleshooting
5.1 Common Issues
- Treadmill not powering on: Ensure the power cord is securely plugged into both the treadmill and the wall outlet. Check the main power switch is in the 'ON' position. Verify the outlet is functional.
- Belt not moving: Ensure the safety key/magnet is properly placed on the console. The treadmill will not operate without it. If the belt is slipping, it may need adjustment or lubrication.
- Unusual noises: Check for any loose parts or foreign objects under the belt. Lubricate the belt if it sounds dry. If the noise persists, contact customer support.
- Display not working: Check power connections. If the display is blank or flickering, try resetting the unit by unplugging it for a few minutes and then plugging it back in.
For issues not listed here or if troubleshooting steps do not resolve the problem, please contact THERUN customer support.
6. Specifications
6.1 Technical Specifications
| Brand | THERUN |
| Model Name | THERUN 3.0HP Treadmill (S-XBD400-Treadmills) |
| Motor Horsepower | 3.0 HP |
| Maximum Speed | 8 Miles per Hour |
| Minimum Speed | 0.5 Miles per Hour |
| Running Belt Dimensions | 42.5" x 18.1" (Length x Width) |
| Maximum Weight Capacity | 350 Pounds |
| Product Dimensions (LxWxH) | 51.7"D x 27.7"W x 42"H |
| Folded Dimensions (HxWxD) | 53.74"H x 27.75"W x 5.7"D (approx.) |
| Shock Absorption System | 8 Shock Absorbers + 5 Silicone Shock Absorbers |
| Display Type | LED |
| Included Components | User Manual, Remote Control |

Figure 5: Product dimensions and compact folded size for space-saving storage.

Figure 6: Key features including motor power, weight capacity, and shock absorption system.

Figure 7: Detailed view of the intelligent shock absorption technology for joint protection.
7. Warranty & Support
7.1 Warranty Information
The THERUN Walking Pad Treadmill comes with a 1-year warranty. Please retain your proof of purchase for any warranty claims. The warranty covers manufacturing defects and issues arising from normal use. For detailed terms and conditions, refer to the warranty card included with your product or contact customer support.
7.2 Customer Support
If you have any questions, concerns, or require assistance with your THERUN treadmill, please contact our customer support team. Contact information can typically be found on the last page of your physical user manual or on the official THERUN website. Our team is dedicated to providing you with the best possible solution and ensuring your satisfaction.
Related Documents - S-XBD400-Treadmills
![]() |
THERUN Folding Treadmill S200B Product Instruction Manual Comprehensive user manual for the THERUN Folding Treadmill, Model S200B. Includes safety precautions, parts and technical specifications, assembly and operating instructions, maintenance guide, error codes, and warranty information. |
![]() |
THERUN Under Desk Treadmill Product Instruction Manual This manual provides detailed instructions for the THERUN Under Desk Treadmill, covering product features, operation, safety guidelines, maintenance, and troubleshooting. Learn how to set up, use, and care for your treadmill for optimal performance and longevity. |
![]() |
THERUN N4079 Treadmill User Manual Comprehensive instructions and safety guidelines for the THERUN N4079 Treadmill, covering setup, operation, maintenance, and troubleshooting. |
![]() |
Motorized Treadmill TR03 Operating Instructions Manual Comprehensive operating instructions manual for the THERUN TR03 motorized treadmill, covering safety, assembly, operation, maintenance, troubleshooting, and warranty information. |
![]() |
Therun TR04 Motorized Treadmill Operating Instructions Manual This manual provides operating instructions for the Therun TR04 Motorized Treadmill, covering safety precautions, assembly, operation, maintenance, and troubleshooting. |
![]() |
THERUN Treadmill User Manual: Maintenance, Adjustment, and App Connectivity This user manual provides detailed instructions for THERUN treadmill maintenance, including lubrication checks, belt tension adjustment, and troubleshooting common issues. It also guides users on connecting their treadmill to popular fitness apps like FitShow, Zwift, and Kinomap. Includes company contact information for support. |
Ask a question about this manual
Ask about setup, troubleshooting, compatibility, parts, safety, or missing instructions. Manuals+ will review the question and use this page’s manual context to help answer it.





