Introduction
Thank you for choosing the TRIUMPHKEY Electric Height Adjustable L-Shaped Desk. This manual provides essential information for the safe assembly, operation, and maintenance of your new desk. Please read it thoroughly before use and retain it for future reference.
Safety Information
- Ensure all components are present and undamaged before assembly.
- Keep children and pets away from the desk during operation to prevent injury.
- Do not overload the desk. Refer to specifications for weight capacity.
- Ensure the power cord is not pinched or damaged.
- Only use the desk on a level and stable surface.
- Avoid contact with liquids. Clean with a damp cloth only.
- Do not attempt to disassemble or repair the motor or control unit yourself. Contact customer support if issues arise.
Package Contents
Please verify that all parts are included in your package. While a detailed list is not provided, the package typically includes:
- L-shaped desktop panels (main desk and return desk)
- Electric lifting columns (legs)
- Control panel and power adapter
- File cabinet with drawer and combination lock
- Metal frame components and hardware (screws, bolts, tools)
- Cable management accessories

Image: Overview of the TRIUMPHKEY L-Shaped Electric Height Adjustable Desk with Drawer.
Setup and Assembly Instructions
Assembly is recommended for one person. Follow these general steps for setting up your desk. Refer to the included assembly diagram for detailed instructions.
- Unpack Components: Carefully remove all parts from the packaging and lay them out on a clean, soft surface to prevent scratches.
- Assemble Desk Frame: Attach the metal frame components to the electric lifting columns according to the provided diagrams. Ensure all bolts are securely tightened.
- Attach Desktop Panels: Secure the main desktop panel to the assembled frame. Then, attach the L-shaped return desk panel.
- Assemble File Cabinet: Construct the file cabinet, ensuring the drawer mechanism and combination lock are correctly installed.
- Position File Cabinet: The file cabinet is reversible and can be placed on either the right or left side of the main desk. Attach it securely to the desk frame.
- Install Control Panel: Mount the control panel to the underside of the desk in an easily accessible location. Connect the necessary cables to the motor and power adapter.
- Cable Management: Use the provided cable management accessories to organize and secure all power and data cables.
- Connect Power: Plug the power adapter into a suitable electrical outlet.

Image: Desk dimensions and illustration of the reversible cabinet placement.

Image: Demonstrates the optional cabinet placement on either the left or right side of the desk.
Operating Instructions
Height Adjustment
The desk features an electric lifting mechanism for smooth height adjustment from 73 cm to 120 cm.
- Up/Down Buttons: Use the + and - buttons on the control panel to raise or lower the desk to your desired height.
- Memory Presets: The desk has 2 memory preset buttons (1 and 2). To save a height, adjust the desk to the desired position, then press the M button followed by the desired preset button (1 or 2). To recall a saved height, simply press the corresponding preset button.
Integrated USB Charger
A USB port is integrated into the control panel for convenient charging of your devices.
- Connect your USB charging cable to the port on the control panel to power your smartphone, tablet, or other compatible devices.
Anti-Collision System
The desk is equipped with an anti-collision system to prevent damage. If the desk encounters an obstacle during height adjustment, it will automatically stop and reverse slightly.
Seat Reminder
The control panel includes a seat reminder function to encourage healthy posture changes throughout your workday. Activate this feature using the designated button on the control panel (often indicated by a clock or timer icon).
File Cabinet with Combination Lock
The integrated file cabinet provides secure storage with a combination lock.
- Set your desired combination according to the instructions provided with the lock mechanism.
- The drawer is designed to accommodate various file sizes and can be adjusted for optimal organization.

Image: Close-up of the control panel showing height adjustment buttons, memory presets, USB charger, and seat reminder icon.

Image: The file cabinet drawer, showing its capacity for files and the integrated combination lock for security.
Maintenance
- Cleaning: Wipe the desk surfaces with a soft, damp cloth. Avoid harsh chemicals or abrasive cleaners. Do not allow liquids to come into direct contact with electrical components.
- Inspection: Periodically check all screws and bolts to ensure they remain tight. Retighten if necessary.
- Cable Management: Ensure cables remain neatly organized and are not tangled or pinched, which could affect desk operation or cause damage.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Desk does not move. | Power cord disconnected, motor cable loose, overload. | Check power connection. Ensure all cables are securely connected. Reduce weight on the desk. |
| Uneven height adjustment. | Obstruction, uneven weight distribution. | Remove any obstructions. Redistribute weight evenly on the desktop. |
| Motor noise is excessive. | Normal operation (up to 55 dB), or potential issue. | The motor operates at ≤ 55 dB. If noise is significantly louder, contact customer support. |
| Memory presets not working. | Incorrect saving procedure. | Ensure you press 'M' then the number button to save. Refer to 'Operating Instructions'. |
Specifications
| Feature | Detail |
|---|---|
| Model Number | G-HAD23-0324-0323 |
| Dimensions (L x W x H) | 160 x 70 x 118 cm |
| Adjustable Height Range | 73 cm - 120 cm |
| Weight | 17.6 kg (approx.) |
| Material (Top) | Engineered Wood |
| Material (Base) | Metal |
| Color | Rustic Brown |
| Motor Noise Level | ≤ 55 dB |
| Special Features | Height Adjustable, Integrated USB Port, Monitor Stand, Electric Lift, 2 Memory Presets, Anti-Collision System, Seat Reminder, Reversible Cabinet, Combination Lock Drawer |
| Assembly Required | Yes (1 person recommended) |
| Number of Drawers | 1 |
Note: The provided weight of 17.6 grams in the source data is likely a typographical error. We have listed it as 17.6 kg, which is a more plausible weight for a desk of this size.
Warranty and Support
TRIUMPHKEY products are manufactured to high-quality standards. For any questions, concerns, or warranty claims, please contact TRIUMPHKEY customer service through your retailer or the official brand website. Please have your model number (G-HAD23-0324-0323) and purchase information ready when contacting support.
