1. Introduction
Thank you for choosing the MARK ADLER Leader 6.9 Electric Height Adjustable Desk. This manual provides essential information for the safe and efficient use of your new desk. Please read these instructions carefully before assembly and operation, and retain them for future reference.
The MARK ADLER Leader 6.9 is designed to provide an ergonomic workspace, allowing seamless transitions between sitting and standing positions with its electric height adjustment mechanism. It features a robust metal frame, a quiet motor, and a user-friendly LED control panel with memory functions.
2. Safety Information
Please observe the following safety precautions to prevent injury or damage to the product:
- Ensure all components are correctly assembled before use.
- Do not exceed the maximum load capacity of 50 kg (110 lbs).
- Keep children and pets away from the desk during height adjustment to prevent accidents.
- Ensure there are no obstructions above or below the desk when adjusting its height.
- Do not sit or stand on the desk.
- Disconnect power before cleaning or maintenance.
- Use only the provided power adapter.
- If any unusual noise, smell, or smoke occurs, immediately unplug the desk and contact customer support.
3. Package Contents
Verify that all parts are present and undamaged. If any parts are missing or damaged, please contact customer support.
- Two-piece tabletop (Engineered Wood)
- Electric lifting mechanism (Metal Frame)
- LED Control Panel (ErgoHub Flex)
- Power Adapter and Cable
- Cable Management Guides
- Headphone/Bag Hooks
- Assembly Tools and Hardware
- User Manual
4. Assembly Instructions
Assembly is required for this desk. All necessary tools are included. It is recommended to assemble the desk with two people.
- Unpack Components: Carefully remove all parts from the packaging and lay them out on a clean, soft surface to prevent scratches.
- Assemble the Frame: Attach the crossbars to the lifting columns using the provided screws and tools. Ensure all connections are secure.
- Attach Feet: Secure the desk feet to the bottom of the lifting columns.
- Mount Tabletop: Place the two-piece tabletop onto the assembled frame. Align the pre-drilled holes and secure the tabletop to the frame using the designated screws.
- Install Control Panel: Mount the LED control panel to the underside of the tabletop in an easily accessible location. Connect the control panel cable to the motor unit.
- Install Cable Management & Hooks: Attach the cable management guides and headphone/bag hooks as desired for an organized workspace.
- Connect Power: Plug the power adapter into the motor unit and then into a wall outlet.
5. Operating Instructions
5.1 Initial Setup and Calibration
After connecting the power, the desk may need initial calibration. Press and hold the "Down" (v) button until the desk reaches its lowest position, then release. The desk is now calibrated and ready for use.
5.2 Adjusting Height
Use the Up (^) and Down (v) buttons on the ErgoHub Flex LED control panel to adjust the desk height. The current height in centimeters will be displayed on the LED screen.
5.3 Memory Presets
The control panel allows you to save up to three preferred height settings:
- Adjust the desk to your desired height using the Up/Down buttons.
- Press the "S" button. The LED display will show "S-".
- Press one of the number buttons ("1", "2", or "3") within 3 seconds to save the current height to that preset.
- To recall a saved height, simply press the corresponding number button ("1", "2", or "3"). The desk will automatically move to the saved position.
6. Maintenance
Regular maintenance ensures the longevity and optimal performance of your desk.
- Cleaning: Wipe the desk surface and frame with a soft, damp cloth. Avoid abrasive cleaners or harsh chemicals.
- Inspection: Periodically check all screws and connections to ensure they are tight. Retighten if necessary.
- Cable Management: Ensure cables are neatly organized and not pinched by the moving parts of the desk.
- Motor Care: The motor is designed for quiet and reliable operation. Avoid overloading the desk beyond its 50 kg capacity.
7. Troubleshooting
If you encounter any issues, please refer to the following troubleshooting guide:
| Problem | Possible Cause | Solution |
|---|---|---|
| Desk does not move. | Power cable disconnected, motor overload, or calibration error. | Check power connections. Reduce load on the desk. Perform calibration (hold "Down" button until lowest position). |
| Uneven height adjustment. | Obstruction or uneven load. | Remove any obstructions. Distribute weight evenly on the tabletop. Recalibrate the desk. |
| Motor makes unusual noise. | Overload or internal issue. | Reduce load. If noise persists, unplug and contact support. |
| LED display shows an error code. | Specific error condition. | Refer to the full manual (if available) for specific error codes or contact customer support. Often, a power cycle (unplug, wait 30 seconds, plug back in) can resolve minor errors. |
If the problem persists after attempting these solutions, please contact MARK ADLER customer support.
8. Specifications
| Feature | Detail |
|---|---|
| Brand | MARK ADLER |
| Model | Leader 6.9 |
| Desk Design | Computer Desk, Sit-Stand |
| Shape | Rectangular |
| Product Dimensions (D x W x H) | 60 cm x 120 cm x 72-118 cm |
| Height Adjustment Range | 72 cm to 118 cm (Electric) |
| Color | Black (Frame), Oak (Top) |
| Style | Modern |
| Top Material Type | Engineered Wood |
| Frame Material | Metal |
| Finish Type | Powder Coated |
| Special Features | Quiet motor (<55 dB), ErgoHub Flex LED panel with 3 memory presets, Reinforced metal frame, Cable management, Headphone/Bag hooks. |
| Recommended Maximum Weight | 50 kg (110 lbs) |
| Assembly Required | Yes (All tools included) |
| Room Type | Office |
9. Warranty and Support
MARK ADLER products are manufactured to high-quality standards. For warranty information, please refer to the documentation included with your purchase or visit the official MARK ADLER website.
If you require technical assistance, have questions about assembly, or need to report a missing/damaged part, please contact MARK ADLER customer support. Contact details can typically be found on the product packaging, the official website, or your purchase receipt.
Manufacturer: Meester Group Sp. z o.o.
Online Support: Meester Group Seller Page on Amazon
