ST-14 Vertex - Treadmills LifeSpan - Free user manual and instructions
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| Product Type | Manual Treadmill |
| Model | ST-14 Vertex |
| Motor Power | 3.0 HP Continuous Duty |
| Speed Range | 0.5 - 12 mph (0.8 - 19.3 km/h) |
| Incline Range | 0% - 15% |
| Running Surface | 20" x 60" (51 x 152 cm) |
| User Capacity | 350 lbs (159 kg) |
| Display | 7" LCD with Backlight |
| Pre-set Programs | 15 |
| Heart Rate Monitoring | Pulse grip sensors + Bluetooth chest strap compatible |
| Safety Key | Yes, magnetic tether |
| Folding | No (commercial grade) |
| Dimensions (L x W x H) | 80" x 36" x 55" (203 x 91 x 140 cm) |
| Product Weight | 295 lbs (134 kg) |
| Power Requirements | 120V, 15A dedicated circuit |
| Warranty - Frame | Lifetime |
| Warranty - Motor | 10 years |
| Warranty - Parts & Labor | 2 years |
| Cushioning System | LifeSpan Cushion FlexTM |
| Transport Wheels | Yes |
| Water Bottle Holder | Yes |
Frequently Asked Questions - ST-14 Vertex LifeSpan
How do I assemble my LifeSpan ST-14 Vertex treadmill?
The treadmill comes partially assembled. Follow the included manual: attach the uprights using the provided bolts, connect the display console wiring, and secure the console. A second person is recommended. All tools are included.
How often should I lubricate the walking belt?
LifeSpan recommends lubricating the belt every 3 months or after 40 hours of use. Use a silicone-based lubricant under the belt center. Refer to the maintenance section of the manual.
What does error code E1 mean on the display?
Error E1 indicates a motor controller communication issue. Check the console cable connections and restart the treadmill. If it persists, contact customer support with the error code.
What is the maximum user weight?
The maximum user weight is 350 lbs (159 kg). Exceeding this may void the warranty and cause damage.
How do I calibrate the speed on my ST-14 Vertex?
To calibrate speed, enter the service menu by holding the Pause and Incline buttons for 5 seconds while the treadmill is off. Follow the on-screen prompts or contact LifeSpan support for step-by-step instructions.
Can I use the treadmill with a heart rate chest strap?
Yes, the ST-14 Vertex is Bluetooth compatible with ANT+ heart rate straps. Pair the strap in the settings menu. Pulse grip sensors are also available on the handles.
How do I reset the treadmill after a power surge?
Unplug the treadmill for 10 minutes, then plug it into a dedicated 120V outlet. Press the reset button on the bottom of the motor hood if present. If not, wait 30 seconds before powering on.
What type of cleaning products should I use?
Use a damp cloth with mild soap and water. Avoid abrasive cleaners or spraying directly onto electronics. Clean the belt and deck with a dry, lint-free cloth weekly.
How do I fold the treadmill?
The ST-14 Vertex is a commercial-grade, non-folding treadmill. It requires dedicated space. If you need to move it, use the built-in transport wheels by tilting the frame.
Where can I purchase replacement parts?
Authorized parts are available through LifeSpan's website or by calling their parts department at 1-800-722-1234. Use the model number ST-14 Vertex for accurate ordering.
User questions about ST-14 Vertex LifeSpan
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USER MANUAL ST-14 Vertex LifeSpan
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Product information
Brand : LifeSpan
Model : ST-14 Vertex
Category : Treadmills