Introduction
Thank you for choosing the TRIUMPHKEY Electric Height Adjustable Sit-Stand Desk. This manual provides essential information for the safe and efficient assembly, operation, and maintenance of your new desk. Please read it thoroughly before use and keep it for future reference.
This desk is designed to support both sitting and standing work positions, promoting a healthier and more productive work environment. It features an electric height adjustment mechanism with memory functions for personalized comfort.

Image: The TRIUMPHKEY Electric Height Adjustable Sit-Stand Desk in a modern office setting, showcasing its design and functionality.
Safety Information
WARNING: Always activate the child safety system when the desk is not in use. Ensure the automatic stop system functions correctly to prevent potential hazards and injuries. Keep hands and objects clear of moving parts during height adjustment.
Do not overload the desk. The maximum load capacity is 80 kg.
Package Contents
Before assembly, please verify that all components are present and undamaged. The package includes:
- Desk tabletop (3 sections)
- Desk frame (legs, crossbars)
- Electric motor and control box
- Control panel with memory functions
- Power adapter and cable
- Assembly hardware (screws, bolts, dowels)
- Tools for assembly
- Headphone hook

Image: All components of the TRIUMPHKEY desk laid out on a rug, including the tabletop sections, frame parts, control panel, and assembly hardware.
Setup and Assembly
The TRIUMPHKEY desk is designed for easy assembly. All parts are pre-drilled, and detailed instructions are included. Assembly can typically be completed in under 30 minutes.
- Unpack all components and lay them out on a clean, soft surface to prevent scratches.
- Assemble the desk frame according to the provided diagram, securing all bolts.
- Attach the electric motor and control box to the frame.
- Connect the control panel to the control box.
- Place the tabletop sections onto the assembled frame and secure them.
- Attach the headphone hook to the desired location under the desk.
- Connect the power adapter to the control box and plug it into a power outlet.
Refer to the included assembly manual for step-by-step illustrations.
Operating Instructions
Height Adjustment
The desk's height can be adjusted electrically between 71 cm and 119 cm.
- To raise the desk, press and hold the Up arrow (^) button on the control panel.
- To lower the desk, press and hold the Down arrow (v) button on the control panel.
- Release the button when the desired height is reached.

Image: Two individuals demonstrating the height adjustment feature of the TRIUMPHKEY desk, one sitting and one standing, with height range indicated.
Memory Functions
The control panel allows you to save up to 3 frequently used height positions.
- To save a height: Adjust the desk to your desired height. Press the "M" button, then immediately press one of the number buttons ("1", "2", or "3") until you hear a beep or see the display confirm.
- To recall a saved height: Press the corresponding number button ("1", "2", or "3"). The desk will automatically move to the saved position.

Image: A close-up view of the multifunction control panel, highlighting the 'M' button, three memory preset buttons (1, 2, 3), and up/down arrow buttons.
Child Safety Lock
Consult the detailed manual for instructions on activating and deactivating the child safety lock feature. This prevents accidental height adjustments.
Maintenance
Regular maintenance ensures the longevity and optimal performance of your desk.
- Cleaning: Wipe the desk surface with a soft, damp cloth. Avoid abrasive cleaners or harsh chemicals.
- Inspection: Periodically check all screws and bolts to ensure they are tight. Retighten if necessary.
- Cable Management: Ensure all cables are neatly organized and not pinched or strained, especially during height adjustments.
- Motor Care: The electric motor is designed for maintenance-free operation. Do not attempt to open or service the motor or control box.
Troubleshooting
If you encounter any issues with your TRIUMPHKEY desk, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Desk does not move. | Power cable disconnected, motor error, child lock active. | Check power connections. Refer to the full manual for motor error codes and child lock deactivation. |
| Desk moves unevenly or makes unusual noise. | Overload, loose connections, obstruction. | Reduce weight on the desk. Check for loose screws. Ensure no objects obstruct the legs. The operating noise level is typically less than 50 dB. |
| Memory function not working. | Incorrect saving procedure. | Ensure you press 'M' then the number button immediately after adjusting to the desired height. |
If the problem persists, please contact customer support.
Specifications
| Feature | Detail |
|---|---|
| Brand | TRIUMPHKEY |
| Model Number | HAD24-0788-112WT |
| Color | White |
| Product Dimensions (L x W x H) | 110 x 60 x 119 cm |
| Adjustable Height Range | 71 cm to 119 cm |
| Material | Engineered Wood (Tabletop), Industrial-grade Steel (Frame) |
| Weight Capacity | 80 kg |
| Item Weight | 16.6 Kilograms |
| Special Features | Ergonomic, Height Adjustable, Electric, Memory Presets (3 positions), Headphone Hook, Cable Management Hole, Anti-collision corners, Anti-slip feet |
| Noise Level (Operation) | < 50 dB |

Image: The TRIUMPHKEY desk illustrating its dimensions (110cm width, 60cm depth, 71-119cm height) and an 80kg weight capacity.

Image: Detailed views of key features including the headphone hook, cable management hole, high-quality steel construction, and anti-slip feet.

Image: A graphic representation showing the desk's quiet operation, with noise levels below 50 dB, ensuring minimal disturbance.
Warranty and Support
For warranty information and customer support, please refer to the documentation included with your purchase or visit the official TRIUMPHKEY website.
Contact: For any questions or assistance, please contact TRIUMPHKEY customer service.
