1. Introduction
Thank you for choosing the YONISEE Oversized Lift Chair Recliner. This manual provides essential information for the safe assembly, operation, and maintenance of your new recliner. Please read all instructions carefully before use and retain this manual for future reference.
2. Important Safety Information
- Always consult a healthcare professional before using this product if you have balance problems or have recently undergone surgery.
- Ensure all connections are secure and the chair is stable before sitting or operating.
- Keep children and pets away from the chair's moving parts.
- Do not allow anyone to sit on the footrest or armrests.
- Avoid placing hands or feet near the mechanism under the chair.
- Do not expose the chair to excessive moisture or direct sunlight.
- Unplug the chair from the power outlet before cleaning or maintenance.
- Maximum weight capacity: 450 lbs. Do not exceed this limit.
3. Package Contents
Verify that all components are present before beginning assembly:
- Backrest
- Base
- Left Armrest
- Right Armrest
- Accessories Box (includes power adapter, remote controls, cables, screws)
- User Manual
4. Assembly Instructions
Assembly typically requires two people. Follow these steps carefully:
- Attach Side Armrests: Slide the left and right armrests onto the corresponding metal posts on the chair base until they click securely into place.
- Secure the Backrest: Align the backrest with the slots on the chair base and push down firmly until it locks into position. Ensure it is fully seated and stable.
- Connect Cables: Locate the power cables and remote control cables. Connect them according to the color-coded connectors. Ensure all connections are snug.
- Power Connection: Plug the power adapter into the chair's power input, then plug the adapter into a wall outlet.
Video: Detailed assembly guide for the YONISEE Lift Chair. This video demonstrates how to attach the armrests, secure the backrest, and connect all necessary cables for proper functionality.
5. Operating Instructions
Your YONISEE Lift Chair Recliner comes with two remote controls: one for the lift/recline function and another for massage and heat.
5.1. Lift and Recline Function
Use the remote with two large buttons (up and down arrows) to control the chair's position.
- To Recline: Press and hold the down arrow button. The footrest will extend, and the backrest will recline. Release the button when you reach your desired position.
- To Lift/Assist Standing: Press and hold the up arrow button. The chair will slowly tilt forward and upward, assisting you to a standing position. Release the button when you are ready to stand.
- To Return to Upright Position: From a reclined position, press and hold the up arrow button. The chair will return to its upright sitting position.

Image: The remote control for the lift and recline function, illustrating various comfortable positions from assisted standing to full recline.
Video: A brief demonstration of the YONISEE Lift Chair's power recline and lift-assist functions, showing smooth transitions between sitting, reclining, and standing positions.
5.2. Massage and Heat Functions
Use the remote with multiple buttons and a body diagram to control massage and heat.
- Power: Press the 'POWER' button to turn the massage and heat functions on/off.
- Heat: Press the 'HEAT' button to activate or deactivate the lumbar heating function.
- Intensity: Adjust the massage intensity (low, medium, high) using the 'INTENSITY' button.
- Mode: Cycle through 5 massage modes (e.g., pulse, press, wave, auto) using the 'MODE' button.
- Zones: Select specific massage zones (back, lumbar, thighs, legs) by pressing the corresponding buttons on the remote.
- Timer: Set the massage duration to 15, 30, or 60 minutes using the 'TIMER' button.

Image: The recliner's heat and massage features, detailing the remote control and the four massage zones across the back, lumbar, thighs, and legs.
6. Product Features
- Power Lift Mechanism: Smoothly lifts the chair to assist users in standing without strain.
- Massage & Heat: Features 4 massage zones with 5 modes and dual lumbar heating for relaxation and pain relief.
- Oversized Design: Generous dimensions (30" plush backrest, 23.5" deep seat) for enhanced comfort, especially for larger individuals.
- Concealed Cup Holders: Two hidden cup holders integrated into the armrests for convenience.
- USB Charging Ports: Equipped with USB and Type-C outlets for charging electronic devices.
- Side Pockets: Convenient side pouches for storing remote controls, magazines, or other small items.
- Durable Materials: Crafted with upgraded velvet fabric, a formaldehyde-free wood frame, and an SGS & Intertek certified metal frame for safety and longevity.

Image: The recliner features two convenient, withdrawable hidden cup holders located in the armrests.

Image: A practical side pocket on the recliner provides storage for magazines, remote controls, or other personal items.
Video: This video highlights various features of the YONISEE Lift Chair, including its recline positions, hidden cup holders, side storage pouches, lumbar heating, and convenient USB/Type-C charging ports.
7. Maintenance
Proper care ensures the longevity of your recliner:
- Cleaning: For general cleaning, dry clean, spot clean, or wipe clean the velvet fabric as needed. Avoid harsh chemicals.
- Mechanism: Regularly check all bolts and screws to ensure they are fully tightened. Lubricate all moving parts every 6 months or as needed.
- Power Cord: Inspect the power cord and adapter for any damage. Do not use if damaged.
8. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Chair does not operate | Power cord unplugged; loose connections; remote control issue | Check power connection to wall outlet and chair; ensure all cables are securely connected; try a different outlet. |
| Massage/Heat not working | Massage/heat remote not connected; power issue | Ensure massage/heat remote is properly connected; check power supply. |
| Unusual noise during operation | Loose components; mechanism needs lubrication | Tighten any loose screws; apply lubricant to moving parts as per maintenance instructions. |
9. Specifications
| Feature | Detail |
|---|---|
| Brand | YONISEE |
| Model Name | YN-RC04-BR |
| Color | Brown |
| Material | Upgraded velvet fabric, formaldehyde-free wood frame, SGS & Intertek certified metal frame |
| Product Dimensions (D x W x H) | 24.7" x 37.5" x 42.2" |
| Item Weight | 106 Pounds |
| Maximum Weight Recommendation | 450 Pounds |
| Massage Zones | 4 (Back, Lumbar, Thighs, Legs) |
| Massage Modes | 5 |
| Heat Function | Dual Lumbar Heat |
| Cup Holders | 2 (Concealed) |
| USB Ports | USB & Type-C Outlets |
| Assembly Required | Yes |

Image: Detailed dimensions of the YONISEE Oversized Lift Chair Recliner, highlighting its generous size and 450 lbs weight capacity.
10. Warranty and Support
YONISEE is committed to providing high-quality products and thoughtful services. For warranty information, technical support, or any inquiries regarding your product, please contact YONISEE customer service through your purchase platform. Keep your order ID handy for faster assistance.
To contact customer service:
- Log in to your Amazon account.
- Navigate to 'Your Orders'.
- Find the relevant Order ID for your YONISEE recliner.
- Click 'Contact Seller'.





