Introduction and Overview
The Precor Premium Series 9.31 Treadmill is designed for home use, offering a robust and smooth exercise experience. It incorporates advanced features to support natural running strides and reduce impact on joints, ensuring comfort and minimizing fatigue during workouts.
Key features include a durable design, quiet operation, and a variety of exercise programs. The treadmill is equipped with a user-friendly console for easy access to workout options and progress tracking.

Figure 1: Front view of the Precor Premium Series 9.31 Treadmill. This image shows the overall design and console.

Figure 2: Side view of the Precor Premium Series 9.31 Treadmill. This image provides another perspective of the treadmill's design.
Setup and Assembly
The Precor 9.31 Treadmill is a substantial piece of equipment, weighing approximately 335 pounds. Due to its weight and complexity, professional assembly and installation are highly recommended by Precor. Attempting self-assembly may void the warranty if not performed by an authorized technician.
For professional installation services, contact Precor at askprecor@precor.com or by calling 1-866-593-5568. Ensure the treadmill is placed on a stable, level surface with adequate clearance around it for safe operation.

Figure 3: Dimensions of the Precor 9.31 Treadmill (79"L x 34"W x 56"H). This image provides a visual representation of the treadmill's size for planning placement.
Operating Instructions
Console Overview
The easy-to-read, intuitive console provides access to various functions including QuickStart, Programs, and User IDs. The Tap Control keypad features "quick key" functions for convenience. The console also offers a workout log and a personal best tracker.

Figure 4: Close-up view of the Precor 9.31 Treadmill console. This image highlights the control panel with program buttons, display, and quick start options.
Starting a Workout
- QuickStart: Press the "QuickStart" button to begin a workout immediately with default settings.
- Programs: Select from 8 total programs, including 1-mile, 10k course, 5k course, 1 heart rate, 1 interval, 1 manual, 1 random, and 1 weight loss. Use the program buttons on the left side of the console.
- User IDs: The 9.31 model does not feature user memory functions, requiring manual entry of weight and age for each workout if desired for accurate calorie tracking.
Adjusting Settings
- Speed: Adjust speed from 0.5 to 12 MPH using the speed control buttons on the console.
- Incline: Adjust incline from 0 to 15 percent grade using the incline control buttons on the console.
- SmartRate: This feature shows your heart rate in relation to target zones for weight loss and cardio training when using an optional wireless heart rate monitor.
- Options Menu: Customize workouts by viewing additional metrics, entering weight and age, or selecting a specific goal.
Safety Features
For added assurance, the magnetic safety key and stop button will immediately turn off power when activated. Password protection ensures that the machine can be locked and unlocked at your discretion.
Maintenance
Regular maintenance ensures the longevity and optimal performance of your Precor 9.31 Treadmill. The phenolic laminate deck, bonded to 1-inch medium density fiberboard, can be flipped to double its life, extending the lifespan of the running surface.
Keep the treadmill clean and free from dust. Periodically inspect the belt for wear and tear, and ensure all moving parts are functioning smoothly. Refer to the full product manual for detailed cleaning and lubrication instructions.
Troubleshooting
If you encounter any issues with your Precor 9.31 Treadmill, consider the following general troubleshooting steps:
- Power Issues: Ensure the power cord is securely plugged into a functional outlet. Check the circuit breaker if the unit does not power on.
- Belt Slippage/Noise: Inspect the running belt for proper tension and alignment. Refer to the full manual for instructions on adjusting belt tension. Unusual noises may indicate a need for lubrication or professional inspection.
- Console Malfunctions: If the display or controls are unresponsive, try resetting the machine by unplugging it for a few minutes and then plugging it back in.
- Error Codes: If an error code appears on the display, consult the comprehensive troubleshooting section in the complete user manual for specific remedies.
For complex issues or repairs, it is strongly recommended to contact Precor customer support or an authorized service technician to avoid further damage and ensure safety.
Specifications
| Feature | Detail |
|---|---|
| Brand | Precor |
| Model | 9.31 (PHFRT1190111EN) |
| Dimensions (L x W x H) | 79" x 34" x 56" |
| Item Weight | 335 Pounds |
| Maximum Speed | 12 Miles per Hour |
| Maximum Incline Percentage | 15% |
| Running Surface | 22 x 56 inches |
| Programs | 8 total (1-mile, 10k course, 5k course, 1 heart rate, 1 interval, 1 manual, 1 random, 1 weight loss) |
| Motor | 3.0 hp continuous-duty |
| Maximum Weight Recommendation | 400 Pounds |
| Special Features | Ground Effects Impact Control System, Integrated Footplant Technology, SmartRate, Password Protection |
Warranty Information
The Precor Premium Series 9.31 Treadmill comes with the following manufacturer's warranty:
- Frame and Welds: Lifetime warranty
- Parts and Wear Items: Ten (10) years warranty
- Labor: One (1) year warranty
Please note that the warranty may be void if the equipment is serviced or assembled by an unauthorized person. Precor highly recommends professional assembly and installation.
Customer Support
For any inquiries, technical assistance, or to arrange professional installation, please contact Precor directly:
- Email: askprecor@precor.com
- Phone: 1-866-593-5568
Additional information and support resources may be available on the official Precor website.
Important Notes
Users must be at least 18 years of age to purchase this product.
Official Product Videos
No official product videos from the seller were available for embedding based on the provided criteria (creator_type: "Seller").
Videos from other creators, such as "Why this is the last treadmill you will ever buy" by "Danielle Green" (Influencer), are available but not embedded as per instructions.

