Introduction
Thank you for choosing the uwant Portable Carpet Cleaner (Pro 18Kpa). This powerful and versatile cleaning machine is designed to effectively remove dirt, stains, and odors from various surfaces, including carpets, upholstery, car interiors, and pet beds. With its 18,000Pa suction power and self-cleaning function, it provides a convenient and efficient solution for maintaining a clean and fresh living environment. Please read this manual thoroughly before first use to ensure proper operation, maintenance, and safety.
Important Safety Information
WARNING: To reduce the risk of fire, electric shock, or injury, read and understand all instructions before using this appliance.
- Always connect to a properly grounded outlet. See grounding instructions.
- Do not leave appliance when plugged in. Unplug from outlet when not in use and before servicing.
- Do not allow to be used as a toy. Close attention is necessary when used by or near children.
- Use only as described in this manual. Use only manufacturer's recommended attachments.
- Do not use with damaged cord or plug. If appliance is not working as it should, has been dropped, damaged, left outdoors, or dropped into water, return it to a service center.
- Do not pull or carry by cord, use cord as a handle, close a door on cord, or pull cord around sharp edges or corners. Do not run appliance over cord. Keep cord away from heated surfaces.
- Do not unplug by pulling on cord. To unplug, grasp the plug, not the cord.
- Do not handle plug or appliance with wet hands.
- Do not put any object into openings. Do not use with any opening blocked; keep free of dust, lint, hair, and anything that may reduce air flow.
- Keep hair, loose clothing, fingers, and all parts of body away from openings and moving parts.
- Do not pick up anything that is burning or smoking, such as cigarettes, matches, or hot ashes.
- Do not use to pick up flammable or combustible liquids, such as gasoline, or use in areas where they may be present.
- Do not use without tanks in place.
- Turn off all controls before unplugging.
- Use extra care when cleaning on stairs.
- Do not use to pick up toxic material (chlorine bleach, ammonia, drain cleaner, etc.).
- Do not use in an enclosed space where vapors are given off by oil base paint, paint thinner, some mothproofing substances, flammable dust, or other explosive or toxic vapors.
- Do not use with cleaning solution that is not specifically designed for this type of machine.
Product Components
Familiarize yourself with the parts of your uwant Portable Carpet Cleaner.

Figure 1: Main unit, hose, and cleaning head with various accessories including a brush, filter, and cleaning solution bottle.

Figure 2: Exploded view of the cleaner highlighting the 2-in-1 water tank system and the hose connection.
Main Unit:
- Power Button
- Self-Cleaning Button
- Clean Water Tank (41 oz capacity)
- Dirty Water Tank (47 oz capacity)
- Hose Connection Port
- Power Cord
Accessories:
- Cleaning Head with Visible Nozzle
- Detachable Brush Head Panel (for different surfaces)
- Hose
- Cleaning Solution (sample bottle)
Setup
- Prepare the Clean Water Tank:
Remove the clean water tank from the main unit. Fill the tank with clean water up to the MAX fill line. For enhanced cleaning, add a small amount of uwant cleaning solution to the clean water tank. Typically, just one capful is sufficient for effective cleaning and odor removal.

Figure 3: The 2-in-1 water tank, showing clean and dirty water compartments.

Figure 4: Adding concentrated cleaning solution to the clean water tank.
- Attach the Water Tank:
Securely place the filled clean water tank back into the main unit.
- Connect the Hose and Cleaning Head:
Ensure the hose is firmly connected to the main unit and the cleaning head is attached to the end of the hose.
- Plug In:
Plug the power cord into a grounded electrical outlet.
Operating Instructions
The uwant Portable Carpet Cleaner is versatile and can be used on a variety of surfaces. Always test a small, inconspicuous area first for colorfastness and material compatibility.
General Cleaning Process:

Step 1: Aim & Spray. Use the visible nozzle to evenly spray water or cleaning solution, softening stains on contact.

Step 2: Let It Soak Briefly. Allow a few seconds for the solution to loosen dirt, grime, or pet messes.

Step 3: Suction & Extract. Powerful suction lifts the loosened dirt, moisture, and stains—leaving surfaces clean and refreshed.
Cleaning Various Surfaces:
For Carpets and Rugs:
- Press the power button to turn on the machine.
- Hold the cleaning head firmly against the stained area.
- Press the spray trigger to apply solution, then slowly pull the cleaning head towards you while maintaining suction.
- Repeat as necessary until the stain is removed and the water extracted is clear.

Figure 5: Cleaning a carpeted stair.

Figure 6: Deep cleaning a carpet.
For Upholstery (Sofas, Chairs, Pet Beds):
- Use the appropriate brush head panel for the fabric type. The soft silicone brush is suitable for leather.
- Apply solution sparingly to avoid over-wetting.
- Gently scrub the area if needed, then extract the liquid.
- Ensure good ventilation to aid drying.

Figure 7: Cleaning a sofa.

Figure 8: Cleaning a chair.

Figure 9: Cleaning a car seat.

Figure 10: Cleaning a mattress.

Figure 11: Cleaning a pet bed.

Figure 12: Cleaning a plush toy.
Maintenance
Regular maintenance ensures the longevity and optimal performance of your uwant Portable Carpet Cleaner.
Self-Cleaning Function:
The self-cleaning function flushes out dirt and residue from the brush head and hose, preventing odors and keeping your cleaner fresh.
- After each use, ensure the dirty water tank is emptied.
- Place the cleaning head into its designated self-cleaning port on the main unit.
- Press the self-cleaning button. The machine will run a cycle to clean the hose and brush head.
- Once the cycle is complete, empty the dirty water tank again.

Figure 13: Utilizing the self-cleaning function for the hose and cleaning head.
Tank Cleaning and Storage:
- Empty Dirty Water Tank: After each use, remove the dirty water tank and dispose of the collected dirty water. Rinse the tank thoroughly with clean water.
- Clean Water Tank: If there is leftover solution in the clean water tank, empty it and rinse the tank. Do not store the machine with solution in the tank for extended periods.
- Filter Maintenance: Periodically check and clean the filter located in the dirty water tank to ensure proper suction. Rinse under running water and allow to air dry completely before reinserting.
- Drying: Allow all components to air dry completely before reassembling and storing the machine.
- Storage: Store the cleaner in a cool, dry place, away from direct sunlight and extreme temperatures.
Troubleshooting
If you encounter any issues with your uwant Portable Carpet Cleaner, refer to the table below for common problems and solutions.
| Problem | Possible Cause | Solution |
|---|---|---|
| Machine does not turn on. | Not plugged in; Power outlet not working; Power button not pressed. | Ensure power cord is securely plugged into a working outlet. Press the power button firmly. |
| No suction or weak suction. | Dirty water tank full; Clean water tank empty; Hose or nozzle clogged; Filter dirty or improperly installed; Tank not seated correctly. | Empty dirty water tank. Refill clean water tank. Check hose and nozzle for blockages. Clean and properly install filter. Ensure tanks are securely seated. |
| No spray or inconsistent spray. | Clean water tank empty; Nozzle clogged; Spray trigger not pressed. | Refill clean water tank. Clean the nozzle. Ensure spray trigger is fully depressed. |
| Water leaking. | Tanks not properly sealed; Tank damaged; Hose connection loose. | Ensure tanks are securely latched and seals are intact. Check for cracks or damage to tanks. Tighten hose connection. |
| Self-cleaning function not working. | Cleaning head not properly seated in self-cleaning port; Dirty water tank full. | Ensure cleaning head is fully inserted into the self-cleaning port. Empty dirty water tank. |
Specifications
| Feature | Detail |
|---|---|
| Brand | uwant |
| Model Name | B400 |
| Suction Power | Up to 18,000Pa |
| Clean Water Tank Capacity | 41 oz (approx. 1.2 Liters) |
| Dirty Water Tank Capacity | 47 oz |
| Item Weight | 8.38 Pounds |
| Product Dimensions | 12.2"D x 6.3"W x 11.61"H |
| Power Source | Corded Electric |
| Color | Grey |
Warranty and Support
uwant provides a limited warranty for this product against defects in material and workmanship under normal use. The specific warranty period may vary by region and retailer. Please retain your purchase receipt as proof of purchase.
For warranty claims, technical support, or any questions regarding your uwant Portable Carpet Cleaner, please contact uwant customer service through the retailer where you purchased the product or visit the official uwant website for contact information.
You can also visit the uwant Store on Amazon for more product information and support resources.





