1. Introduction
Thank you for choosing the Electrolux STK12 Portable and Vertical Vacuum Cleaner. This versatile 2-in-1 appliance is designed to provide efficient and thorough cleaning for both your home and car. With its powerful 1100W motor and advanced HEPA Allergy Protect filter, it ensures a cleaner and healthier environment by trapping mites, fungi, and bacteria. Please read this manual carefully before using the appliance to ensure safe and optimal performance.

2. Important Safety Instructions
Always follow basic safety precautions when using electrical appliances to reduce the risk of fire, electric shock, or injury.
- Ensure the voltage rating on the appliance matches your local power supply (220V).
- Do not use the vacuum cleaner on wet surfaces or to pick up liquids.
- Do not pick up flammable or combustible materials, hot ashes, or sharp objects.
- Keep hair, loose clothing, fingers, and all parts of the body away from openings and moving parts.
- Unplug from the outlet when not in use and before cleaning or servicing.
- Do not operate with a damaged cord or plug.
- This appliance is for domestic use only.
3. Components Overview
Familiarize yourself with the parts of your Electrolux STK12 vacuum cleaner:
- Main Unit: Contains the motor, dust reservoir, and HEPA filter.
- Extension Tube: Used to convert the vacuum into a vertical stick cleaner.
- Floor Nozzle (180°): Main cleaning head for floors, designed for easy maneuverability.
- Crevice Tool: Narrow nozzle for reaching tight spaces, corners, and cracks.
- Power Cord: 5-meter long cord with a storage support.
- Dust Reservoir: Bagless design with a 1.2L capacity.
- HEPA Allergy Protect Filter: Advanced filter system.

4. Assembly and Initial Setup
Your Electrolux STK12 vacuum cleaner can be assembled in two main configurations: vertical or handheld.
4.1 Vertical Vacuum Cleaner Assembly
- Insert the extension tube firmly into the main unit until it clicks into place.
- Attach the 180° floor nozzle to the other end of the extension tube, ensuring it is securely fastened.
- Unwind the power cord and plug it into a suitable 220V, 10A electrical outlet.
4.2 Handheld Vacuum Cleaner Assembly
- Detach the extension tube and floor nozzle from the main unit.
- Attach the crevice tool directly to the main unit's suction opening.
- Unwind the power cord and plug it into a suitable 220V, 10A electrical outlet.
5. Operating Instructions
5.1 Using as a Vertical Vacuum Cleaner
This mode is ideal for cleaning floors and larger surfaces.
- Ensure the vacuum is assembled in the vertical configuration.
- Plug the 5-meter power cord into a 220V outlet.
- Press the power button located on the main unit to turn on the vacuum cleaner.
- Guide the 180° floor nozzle across the floor surface. The swivel design allows for easy navigation around furniture and obstacles.
- When finished, press the power button to turn off the vacuum and unplug it from the outlet.

5.2 Using as a Handheld Vacuum Cleaner
This mode is perfect for cleaning furniture, car interiors, stairs, and hard-to-reach areas.
- Ensure the vacuum is assembled in the handheld configuration with the crevice tool attached.
- Plug the power cord into a 220V outlet.
- Press the power button to turn on the vacuum cleaner.
- Use the crevice tool to clean tight spaces, corners, and upholstery.
- When finished, press the power button to turn off the vacuum and unplug it from the outlet.

5.3 Vertical Parking
The Electrolux STK12 features a vertical parking design, allowing it to stand upright on its own when not in use or during a pause in cleaning, eliminating the need for external support.

6. Maintenance and Care
Regular maintenance ensures optimal performance and extends the life of your vacuum cleaner.
6.1 Emptying the Dust Reservoir
The STK12 uses a bagless dust reservoir with a 1.2L capacity. It should be emptied regularly, especially when the dust level reaches the 'MAX' indicator.
- Ensure the vacuum cleaner is turned off and unplugged.
- Locate the dust reservoir release button/latch on the main unit.
- Press the button/latch and carefully detach the dust reservoir.
- Hold the reservoir over a trash bin and open its bottom flap to empty the contents.
- Close the flap and reattach the dust reservoir to the main unit until it clicks securely.
6.2 Cleaning the HEPA Filter
The HEPA Allergy Protect filter traps mites, fungi, and bacteria, and requires periodic cleaning to maintain suction power and air quality.
- Ensure the vacuum cleaner is turned off and unplugged.
- Remove the dust reservoir as described above.
- Carefully remove the HEPA filter from inside the dust reservoir.
- Tap the filter gently over a trash bin to dislodge accumulated dust and debris.
- If necessary, rinse the filter under cool running water. Ensure it is completely dry before reinserting. Do not use detergents or hot water.
- Once dry, place the HEPA filter back into the dust reservoir and reattach the reservoir to the main unit.
7. Troubleshooting
If you encounter issues with your vacuum cleaner, refer to the following table for common problems and solutions.
| Problem | Possible Cause | Solution |
|---|---|---|
| Vacuum cleaner does not turn on. | Not plugged in correctly. No power from outlet. | Check power cord connection. Test outlet with another appliance. |
| Low suction power. | Dust reservoir full. Filter clogged. Nozzle/hose blocked. | Empty dust reservoir. Clean HEPA filter. Check for and remove blockages in nozzles or tubes. |
| Unusual noise during operation. | Foreign object in nozzle or tube. Motor issue. | Turn off and unplug. Check for and remove any foreign objects. If noise persists, contact customer support. |
8. Specifications
| Feature | Detail |
|---|---|
| Brand | Electrolux |
| Model | STK12 |
| Type | Portable and Vertical Vacuum Cleaner (2-in-1) |
| Usage | Domestic |
| Power | 1100W |
| Voltage | 220V |
| Socket Type | 10A |
| Power Cable Length | 5 meters |
| Filter Type | HEPA Allergy Protect |
| Dust Reservoir Type | Bagless |
| Dust Reservoir Capacity | 1.2L |
| Accessories Included | 180° Floor Nozzle, Crevice Tool |
| Special Features | Cord holder, Vertical parking |
| Color | Black |
| Product Weight | 2 kg |
| Product Dimensions (W x H x D) | 25.5 cm x 104.3 cm x 17.1 cm |
| Certifications | Inmetro BRA20/01397, 0CP 0040 |
9. User Tips
- For optimal performance, ensure the dust reservoir is emptied regularly, especially before tackling larger cleaning tasks.
- The 180° swivel nozzle is highly effective for reaching under furniture and around obstacles; utilize its full range of motion for comprehensive cleaning.
- Remember that this model is the STK12, not the STK15, as sometimes confused.
10. Warranty and Support
10.1 Warranty Term
This product comes with a 1-year warranty, which includes 3 months of legal warranty plus an additional 9 months of special warranty granted by the manufacturer.
10.2 Customer Support
For technical assistance, spare parts, or any questions not covered in this manual, please contact Electrolux customer service or your authorized dealer. Keep your purchase receipt as proof of purchase for warranty claims.





