Ultenic U12 Vesla
Ultenic U12 Vesla Cordless Stick Vacuum User Manual
Model: U12 Vesla | Brand: Ultenic
Introduction
This manual provides essential instructions for the safe and efficient operation, maintenance, and troubleshooting of your Ultenic U12 Vesla Cordless Stick Vacuum. Please read this manual thoroughly before first use and retain it for future reference.
Package Contents
Verify that all components listed below are included in your package:
- Ultenic U12 Vesla Main Unit
- Extension Wand
- Motorized Floor Brush with GreenEye™ Technology
- Combination Tool
- Crevice Tool
- Wall Mount
- Charger
- Extra HEPA Filter
- User Manual (this document)

Image: All components included in the Ultenic U12 Vesla Cordless Stick Vacuum package.
Setup and Assembly
- Unpacking: Carefully remove all components from the packaging. Retain packaging for future storage or transport.
- Main Unit Assembly: Attach the extension wand to the main vacuum unit until it clicks securely into place. Then, attach the motorized floor brush to the other end of the extension wand, ensuring a firm connection.
- Charging the Battery: Connect the charger to the main unit or directly to the detachable battery. Plug the charger into a power outlet. The display will indicate charging status. Fully charge the battery before first use.
- Wall Mount Installation (Optional): Select a suitable location near a power outlet. Secure the wall mount to the wall using appropriate fasteners (not included). The vacuum can be stored and charged on the wall mount.
Video: Demonstrating the assembly and initial setup of the Ultenic U12 Vesla Cordless Stick Vacuum, including unboxing, connecting components, and showcasing the digital display.
Operating Instructions
Power On/Off and Mode Selection
The vacuum features an intuitive display and control buttons:
- Press the Power Button to turn the vacuum on or off.
- Use the Mode Selection Button to cycle through different suction modes (e.g., Eco, Standard, Max). The current mode and remaining battery life will be displayed on the screen.
- The Light Button activates or deactivates the GreenEye™ Technology LED lights on the floor brush.

Image: The automotive dashboard-inspired digital display of the Ultenic U12 Vesla, showing operational status and battery life.
GreenEye™ Technology
The motorized floor brush is equipped with GreenEye™ Technology, which uses green LED lights to illuminate dust and debris on hard floors, making it easier to spot and clean even fine particles.

Image: The GreenEye™ Technology in action, highlighting dust and debris on a floor for thorough cleaning.
Using Attachments
The Ultenic U12 Vesla comes with several attachments for versatile cleaning:
- Combination Tool: Ideal for cleaning upholstery, curtains, and delicate surfaces.
- Crevice Tool: Perfect for reaching tight spaces, corners, and edges, such as between sofa cushions or car seats.
To attach a tool, simply remove the extension wand or floor brush and securely connect the desired tool to the main unit or the end of the extension wand.

Image: Demonstrating the multi-scene use of the vacuum, including handheld mode for car interiors and extended mode for high-reach cleaning.
Detachable Battery
The battery is detachable for convenient charging and extended cleaning sessions. To remove, press the battery release button and slide the battery out. To reinsert, align the battery with the slot and push until it clicks.

Image: The detachable battery feature, allowing for easy removal and replacement for continuous operation.
Maintenance
Emptying the Dustbin
To maintain optimal suction, empty the dustbin regularly, ideally after each use.
- Hold the main unit over a trash can.
- Press the dustbin release button to open the bottom flap and empty the contents.
- Close the flap securely until it clicks.

Image: Demonstrating the easy emptying process of the 0.26 Gallon high-capacity dustbin.
Cleaning Filters
The HEPA filter and mesh filter should be cleaned regularly to ensure efficient performance. An extra HEPA filter is provided for convenience.
- Twist and pull to remove the dustbin from the main unit.
- Remove the mesh filter and HEPA filter from the dustbin.
- Tap off loose dirt or rinse both filters under cold running water. Ensure they are completely dry before reassembling.
- Reassemble the filters and dustbin, then reattach to the main unit.

Image: Cleaning the washable filters under running water to maintain vacuum performance.
Brush Roll Maintenance
Periodically check the brush roll for tangled hair or debris. Use scissors to cut away any tangled hair and remove it to prevent obstruction and maintain cleaning effectiveness.

Image: The specialized brush roll design of the U12 Vesla, engineered to minimize hair tangling.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Vacuum does not turn on | Battery not charged; Battery not properly installed; Power button not pressed. | Ensure battery is fully charged. Reinstall battery securely. Press the power button firmly. |
| Low suction power | Dustbin full; Filters clogged; Brush roll obstructed. | Empty the dustbin. Clean or replace filters. Remove any obstructions from the brush roll. |
| Brush roll not spinning | Obstruction in brush roll; Brush roll not properly installed. | Remove any tangled hair or debris. Ensure the brush roll is correctly seated. |
| Vacuum stops unexpectedly | Battery low; Overheating due to clogged filters or obstruction. | Recharge the battery. Check and clean filters and brush roll for obstructions. Allow the vacuum to cool down. |
Specifications
| Feature | Detail |
|---|---|
| Brand | Ultenic |
| Model Number | U12 Vesla |
| Special Features | Wireless, Portable |
| Color | Silver |
| Battery Type | Lithium-Ion |
| Motor Horsepower | 450 Watts |
| Number of Power Levels | 1 (with adjustable suction modes) |
| Indoor/Outdoor Usage | Indoor |
| Connectivity Technology | Wireless |
Warranty and Support
For warranty information, technical support, or service inquiries, please refer to the official Ultenic website or contact their customer service department. Keep your purchase receipt as proof of purchase.
Official Ultenic Website: www.ultenic.com
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