4.1S - Fitness Equipment BOWFLEX - Free user manual and instructions
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| Product Type | Treadmill |
| Model | 4.1S |
| Brand | Bowflex |
| Dimensions (L x W x H) | 78.5 x 36 x 55 in (199 x 91 x 140 cm) |
| Folded Dimensions (L x W x H) | 54 x 36 x 66 in (137 x 91 x 168 cm) |
| Weight | 230 lb (104 kg) |
| Max User Weight | 300 lb (136 kg) |
| Motor Power | 2.75 CHP |
| Speed Range | 0.5 - 12 mph (0.8 - 19.3 kph) |
| Incline Range | 0% - 15% |
| Running Surface | 20 x 60 in (51 x 152 cm) |
| Display | 7.5 in LCD with 29 workout programs |
| Heart Rate Monitor | Polar chest strap compatible (strap not included) |
| Safety Key | Yes, magnetic |
| Folding Mechanism | SoftDrop™ folding system |
| Transport Wheels | Yes |
| Warranty | 15 years frame, 3 years parts, 1 year labor |
| Power Requirements | 120 V, 15 A dedicated circuit |
| Entertainment | MP3 input, speakers |
| Workout Programs | 29 presets including weight loss, intervals, heart rate control |
| Additional Features | QuickSpeed™ keys, cushion deck |
Frequently Asked Questions - 4.1S BOWFLEX
How do I assemble the Bowflex 4.1S treadmill?
Assembly instructions are in the manual. Typically, you attach the uprights, console, and side rails. Use the provided tools and follow step-by-step. For detailed help, refer to the assembly video on Bowflex's website.
What should I do if the treadmill belt slips?
First, unplug the treadmill. Locate the rear roller adjustment bolts. Turn both bolts equally clockwise a quarter turn to tighten the belt. Check tension by lifting the belt edge; it should lift about 2-3 inches. Then test walk at low speed.
How often should I lubricate the belt?
Bowflex recommends lubricating the belt every 3 months or 150 miles. Use 100% silicone lubricant (not WD-40). Apply under the belt while running at 1 mph, then spread evenly by walking briefly.
Why does my treadmill display show 'E1' error?
Error E1 usually indicates a motor or controller issue. Check that the power cord is fully inserted and the circuit breaker hasn't tripped. If the error persists, contact Bowflex Customer Service for assistance.
Can I fold the treadmill for storage?
Yes, the Bowflex 4.1S features the SoftDrop folding system. Raise the deck until it clicks into the locked position. To unfold, gently pull the lock release and lower the deck. Always ensure the area is clear.
What is the maximum weight capacity?
The maximum user weight for the Bowflex 4.1S treadmill is 300 lb (136 kg). Exceeding this may void the warranty and cause damage.
How do I sync my heart rate monitor?
The treadmill is compatible with Polar chest straps (5 kHz). Put on the strap, then stand on the foot rails and grasp the hand pulse sensors. The display will show your heart rate. If using a Bluetooth strap, pair via the console settings.
My treadmill makes a squeaking noise. What can I do?
Squeaks often come from loose bolts or dry components. Check and tighten all visible bolts, especially on the deck and motor hood. Lubricate the belt if dry. If noise persists, inspect the drive belt or contact support.
Can I use an extension cord?
Bowflex recommends against using an extension cord. Plug the treadmill directly into a grounded 120V outlet on a dedicated circuit. If necessary, use a heavy-duty 14-gauge cord no longer than 6 feet.
How do I reset the treadmill after a power outage?
Unplug the treadmill for 30 seconds, then plug it back in. If the console still doesn't power on, check the circuit breaker (red button on the front of the motor hood). Press to reset. If issues continue, contact customer service.
User questions about 4.1S BOWFLEX
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USER MANUAL 4.1S BOWFLEX
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Product information
Brand : BOWFLEX
Model : 4.1S
Category : Fitness Equipment