Introduction
Thank you for choosing the HUANUO L-Shaped Standing Desk. This manual provides detailed instructions for the assembly, operation, and maintenance of your new electric height-adjustable desk. Designed for ergonomic comfort and productivity, this desk features a spacious L-shaped work surface, dual motors for smooth height adjustment, and convenient cable management solutions. Please read this manual thoroughly before use to ensure proper setup and safe operation.

Image: The HUANUO L-Shaped Standing Desk provides ample space for multiple devices and accessories.
Safety Information
Always ensure the desk is properly assembled and anchored to the floor. Do not exceed the weight limit of 220 lbs. Keep the work surface clear of obstacles and never adjust the desk's height while in use.
Specifications
| Feature | Detail |
|---|---|
| Brand | HUANUO |
| Model Number | HNESD109W |
| Shape | L-Shape |
| Product Dimensions | 63"D x 40"W x 28.34"H |
| Color | White |
| Base Material | Carbon Steel |
| Top Material Type | Engineered Wood |
| Special Feature | Adjustable Height, Ergonomic, L Shaped Standing Desk |
| Height Adjustment Range | 28.3" to 47.2" |
| Maximum Weight Recommendation | 220 Pounds |
| Number of Height Positions | 3 (Preset Memory) |
| Motor Type | Dual Motor |
| Noise Level | Quiet 55 dB |
| Included Components | Cable Management Tray, Electric Standing Desk, Headphone Hook |

Image: Detailed dimensions of the L-shaped standing desk.
Setup
The HUANUO L-Shaped Standing Desk is designed for straightforward assembly. All necessary hardware and a detailed instruction manual are included. The L-shape can be configured for either a left or right orientation to best suit your workspace.
Unboxing and Parts Identification
Carefully unpack all components and verify against the parts list in the included manual. All parts and hardware are clearly labeled for easy identification.
Assembly Steps
- Assemble the Leg Sections: Attach the short and long crossbars to the desk legs using the provided screws.
- Attach the Side Plates: Secure the side plates to the desk legs.
- Attach the Frame to the Desktop: Position the desktop panels and attach the assembled frame. Ensure to tighten the initial four screws before securing the remaining ones.
- Install Cable Management and Accessories: Attach the cable management tray, storage hooks, and the control panel to the underside of the desktop.
- Attach the Leg Bases: Secure the leg bases to the bottom of the desk legs.
- Connect the Cables: Connect all necessary cables to the control unit as per the instruction manual.
For a visual guide, please refer to the assembly videos below:
Video: A quick assembly guide for the HUANUO L-Shaped Standing Desk, demonstrating the unboxing and step-by-step setup process.
Video: Visual instructions for assembling the HUANUO dual motor L-shaped standing desk, including frame and desktop attachment.

Image: The desk offers optional left or right orientation for the longer desktop section.
Operating Instructions
Your HUANUO L-Shaped Standing Desk features an intuitive control panel for easy height adjustment and memory presets.
Height Adjustment
Use the Up (▲) and Down (▼) arrows on the control panel to manually adjust the desk height. The desk can be smoothly adjusted from 28.3 inches to 47.2 inches. The dual motors ensure a steady and quiet operation at approximately 55 dB.
Memory Presets
The control panel includes three programmable height memory presets (1, 2, 3). To save a preferred height:
- Adjust the desk to your desired height using the Up/Down arrows.
- Press the 'S' button.
- Press the desired memory button (1, 2, or 3) until you hear a beep or see the display confirm the setting.
To recall a saved height, simply press the corresponding memory button (1, 2, or 3).
Video: Demonstration of the desk's height adjustment and memory preset functions, highlighting its versatility for sitting and standing positions.

Image: The intuitive control panel for height adjustment and memory presets.
Maintenance
To ensure the longevity and optimal performance of your HUANUO L-Shaped Standing Desk, follow these maintenance guidelines:
- Cleaning: Wipe the desktop surface with a soft, damp cloth. Avoid abrasive cleaners or harsh chemicals that could damage the finish.
- Motor Care: Keep the motor mechanisms free from dust and debris. Do not attempt to lubricate or disassemble the motors.
- Cable Management: Periodically check the cable management tray and hooks to ensure cables are securely organized and not pinched.
- Fasteners: Occasionally check all screws and fasteners to ensure they are tight. Retighten if necessary.
Troubleshooting
If you encounter any issues with your HUANUO L-Shaped Standing Desk, please refer to the following common troubleshooting tips:
- Desk Not Responding: Check all cable connections to ensure they are securely plugged in. Verify the power outlet is functional.
- Uneven Height Adjustment: Perform a reset procedure as outlined in the detailed manual (if applicable) or contact customer support.
- Motor Noise: A slight hum during adjustment is normal. If you experience excessive or unusual noise, ensure the desk is not overloaded and all components are securely fastened.
- Obstruction Detection: The desk features anti-collision technology. If it stops unexpectedly, check for any obstructions in its path. Remove the obstruction and try again.
If the problem persists after attempting these steps, please contact HUANUO customer support.
Cable Management & Storage
The desk is equipped with features to help keep your workspace tidy and organized.
- Cable Management Tray: A steel tray is located underneath the desktop to neatly store power strips and route cables, reducing clutter.
- Storage Hooks: Two integrated hooks on either side of the desk provide convenient spots to hang headphones, bags, or other accessories.

Image: Effective cable management keeps your workspace tidy.
Durability & Stability
The HUANUO L-Shaped Standing Desk is built with robust materials for long-lasting performance and stability.
- Strong Support: Features a 50% wider solid carbon steel frame and a 20% thicker desktop, supporting up to 220 lbs.
- Tested Performance: The adjustable desks are tested to withstand 50,000 lift cycles, ensuring reliable and long-term use.

Image: The desk's robust construction ensures ultimate stability and durability.
Warranty
The HUANUO L-Shaped Standing Desk comes with a Limited Warranty. For specific terms and conditions, please refer to the warranty information included in your product packaging or contact HUANUO customer support.
Optional protection plans are available for 2-Year and 3-Year coverage, as well as a Complete Protect monthly plan.
Support
For further assistance, technical support, or warranty claims, please contact HUANUO customer support.
Visit the official HUANUO Store for more products and information: HUANUO Store





