Introduction
Thank you for choosing the Titan Osaki OS-4000LS Zero Gravity Heated Massage Chair. This manual provides essential information for the safe and effective use of your massage chair. Please read it thoroughly before operation and retain it for future reference.
The Osaki OS-4000LS is an advanced L-track massage chair designed to provide a comprehensive massage experience. Its L-track system allows rollers to extend from your neck down to your glutes and upper thighs. Key features include foot rollers, a spring-loaded extendable ottoman, 24 airbag compression massage, body scan technology, zero gravity recline, and adjustable shoulder massage.

Image: The Titan Osaki OS-4000LS Massage Chair, black, positioned in a modern living room environment.
Product Features
- L-Track Roller System: Provides massage from the neck to the glutes and upper thighs.
- Zero Gravity Recline: Positions the body to minimize spinal pressure and enhance massage effectiveness.
- Space Saving Technology: Allows the chair to recline with minimal space required from the wall.
- Foot Rollers: Delivers targeted massage to the soles of the feet.
- Lumbar Heating Pad: Provides soothing heat therapy to the lower back.
- 24 Airbag Compression Massage: Offers full-body compression massage for relaxation and circulation.
- Body Scan Technology: Automatically adjusts roller positions to match individual body contours.
- Adjustable Outer Shoulder Massage: Customizable massage for the shoulder area.
- 6 Massage Styles: Variety of massage techniques to suit different preferences.
- USB Charging Station: Convenient port for charging electronic devices.

Image: Diagram illustrating the L-Track massage system, showing roller coverage from neck to thighs.

Image: Illustration of the Zero Gravity recline position, demonstrating reduced pressure on the spine.

Image: Diagram showing the placement of 24 airbags for compression massage throughout the chair.

Image: Illustration highlighting the lumbar heating pad area in the massage chair.
Setup Instructions
- Unpacking: Carefully remove all components from the packaging. Ensure all parts are present according to the packing list.
- Placement: Position the massage chair on a hard, level surface. Due to its space-saving technology, the chair can be placed close to a wall, but ensure sufficient clearance for full recline. Refer to the dimensions image for space requirements.
- Assembly: The chair requires some assembly. Typically, this involves attaching the ottoman and armrests. Follow the detailed assembly instructions provided in the separate assembly guide included with your purchase. Assistance from another person is recommended for safe assembly.
- Power Connection: Once assembled, connect the power cord to the chair and then plug it into a grounded electrical outlet. Ensure the power switch on the chair is in the OFF position before plugging it in.

Image: A diagram showing the dimensions (length, width, height) of the Titan Osaki OS-4000LS Massage Chair.
Operating Instructions
Familiarize yourself with the remote control to access all functions of your massage chair.
- Power On/Off: Press the power button on the remote control to turn the chair on or off.
- Automatic Programs: Select from the 6 pre-programmed massage styles for a quick and comprehensive massage. The chair will perform a body scan to customize the massage to your body.
- Manual Control: Adjust specific massage functions such as roller speed, intensity, airbag pressure, and massage area (neck, back, lumbar, feet) using the dedicated buttons on the remote.
- Zero Gravity Recline: Activate the zero gravity function to recline the chair into a position that elevates your legs above your heart, reducing pressure on your spine.
- Heat Function: Turn on the lumbar heating pad for added comfort and muscle relaxation.
- Foot Rollers: Engage the foot roller function for a stimulating foot massage.
- USB Charging: Use the integrated USB port to charge your devices during your massage session.
Video: This video demonstrates the remote control interface and how to select various massage programs and adjust intensity settings on the Titan Osaki OS-4000LS massage chair.
Maintenance
- Cleaning: Wipe the chair's surface with a soft, damp cloth. Do not use abrasive cleaners or harsh chemicals. For polyurethane surfaces, a mild soap solution can be used.
- Storage: When not in use for extended periods, unplug the chair and cover it to protect from dust.
- Inspection: Periodically check the power cord for any damage. Ensure all connections are secure.
- Avoid Liquids: Keep liquids away from the chair to prevent electrical hazards and damage to internal components.
Troubleshooting
- Chair does not power on:
- Ensure the power cord is securely plugged into both the chair and a working electrical outlet.
- Check if the main power switch on the chair is in the ON position.
- Verify the electrical outlet is functional by plugging in another device.
- Massage rollers are not moving:
- Confirm that a massage program or manual function has been selected on the remote control.
- The chair may be performing a body scan; wait for it to complete.
- Airbags are not inflating:
- Check if the airbag compression function is activated on the remote.
- Adjust the airbag intensity settings.
- Remote control is unresponsive:
- Ensure the remote control is properly connected to the chair (if wired).
- If wireless, check and replace batteries if necessary.
For issues not resolved by these steps, please contact customer support.
Specifications
| Feature | Detail |
|---|---|
| Brand | Titan |
| Model Number | OSAKI OS-4000LS |
| Color | Black |
| Material | Polyurethane, Foam (Fill Material) |
| Product Dimensions (D x W x H) | 63"D x 30"W x 47"H |
| Item Weight | 250 Pounds |
| Additional Features | Zero Gravity, L-track rollers, Foot rollers, USB Charging Station, Lumbar Heating Pad, 24 Airbags, Body Scan Technology, Adjustable Outer Shoulder Massage, 6 Massage Styles |
| Recommended Uses | Relaxing |
| Required Assembly | Yes |
| Reclining Position Count | 2 |
| UPC | 778564609730 |
| ASIN | B01M0A70AE |
Warranty Information
The Titan Osaki OS-4000LS Massage Chair comes with a 3-year limited warranty:
- First Year: Full service coverage, including parts and labor.
- Second and Third Year: Parts only coverage.
This warranty covers manufacturing defects under normal use. Damages caused by the buyer are not returnable or covered under warranty. Please retain your proof of purchase for warranty claims.
Customer Support
For technical assistance, warranty claims, or any questions regarding your Titan Osaki OS-4000LS massage chair, please contact Titan customer support. Refer to the contact information provided with your purchase documentation or visit the official Titan website for support details.