一、簡介
The Uwant B400 is a versatile upholstery and carpet cleaner designed for deep cleaning various fabric surfaces. It integrates advanced steam and hot water technologies with powerful suction to effectively remove stubborn stains and odors. This manual provides essential information for the safe and efficient operation, maintenance, and troubleshooting of your Uwant B400 cleaner.
2. 安全訊息
在使用本設備前,請仔細閱讀所有安全說明。不遵守這些說明可能會導致觸電、火災或嚴重傷害。
- Always ensure the power cord and plug are in good condition. Do not use if damaged.
- 請勿將主機浸入水或其他液體中。
- Use caution when handling hot water and steam to prevent burns. Keep hands and face away from the steam nozzle.
- Unplug the appliance from the electrical outlet before performing any maintenance, cleaning, or when not in use.
- 將設備放置在兒童和寵物接觸不到的地方。
- Use only Uwant recommended cleaning solutions. Do not use flammable or corrosive liquids.
- Ensure adequate ventilation when using the appliance, especially in enclosed spaces.
- 不要阻塞通風口。
- Do not use the appliance on electrical outlets or components.
3. 包裝內容
確認包裹內所有物品齊全:
- Uwant B400 Main Unit
- 柔性軟管
- Cleaning Head/Nozzle
- 使用者手冊
4. 產品結束view
Familiarize yourself with the main components of your Uwant B400 cleaner.

Image: Uwant B400 Upholstery and Carpet Cleaner. This image shows the complete Uwant B400 unit, including the main body, flexible hose, and the transparent cleaning head.
- 主機: Houses the motor, heating elements, and the 2-in-1 water tank.
- 二合一水箱: Features separate compartments for clean water/solution and dirty water, designed for easy handling.
- 軟管: Connects the cleaning head to the main unit, allowing for extended reach.
- 清潔頭: The attachment used for spraying, scrubbing, and suctioning liquids from surfaces.
- 控制面板: Capacitive buttons for power, hot water mode, and steam mode.
5. 設定
Follow these steps to prepare your Uwant B400 for use:
- 開箱: 小心地從包裝中取出電器及其所有配件。請保留包裝以備日後存放或運送。
- 位置: Place the main unit on a stable, flat, and dry surface near an electrical outlet.
- 加註清水箱:
- Remove the 2-in-1 water tank from the main unit.
- Fill the clean water compartment (usually marked) with tap water. You may add a suitable upholstery cleaning solution according to the solution manufacturer's instructions. Do not exceed the 'MAX' fill line.
- Securely reinsert the 2-in-1 water tank into the main unit.

Image: Convenient 2-in-1 Water Tank. This image shows a user holding the Uwant B400's 2-in-1 water tank, which combines clean and dirty water compartments for easy filling and emptying.
- Connect Hose and Cleaning Head: Attach the flexible hose to the designated port on the main unit. Then, securely attach the cleaning head to the other end of the flexible hose. Ensure all connections are firm to prevent leaks.
- 電源連接: 將電源線插入接地電源插座。
6. 操作說明
Before cleaning, always test the cleaner on an inconspicuous area of the material for colorfastness and material compatibility.
- 開機: Press the power button on the main unit. The indicator light will illuminate.
- 選擇清潔模式:
- 熱水模式: Press the hot water button once. The water will begin heating to approximately 65°C (149°F).
- 蒸汽模式: Double-press the steam button. The water will heat to approximately 100°C (212°F). Allow a few moments for the unit to reach the desired temperature.

Image: Deeper Cleaning with Two Modes. This image illustrates the Uwant B400's dual cleaning modes: hot water (149°F/65°C) and steam (212°F/100°C), effectively removing stains from a carpet.
- 清洗過程:
- Hold the cleaning head firmly against the surface to be cleaned.
- Press the trigger on the cleaning head to spray water or steam onto the stained area.
- Slowly move the cleaning head over the area, applying gentle pressure to allow the solution/steam to penetrate the fabric.
- Release the trigger and slowly move the cleaning head back over the wet area to suction up the dirty water. The 18 kPa suction power ensures efficient removal of liquids and dirt.
- Repeat passes as necessary until the stain is removed and the water being suctioned into the dirty water tank appears clear.

Image: 18,000 Pa Strong Suction. This diagram illustrates the Uwant B400's powerful 18,000 Pa suction, showing how it sprays water, dissolves stains, lifts dirt, and removes residue from fabric layers.
- 具體應用:
- Upholstery & Carpets: Ideal for sofas, chairs, rugs, and carpets.
- 汽車內裝: The portable design allows for easy cleaning of car seats and floor mats.
- Hard Surfaces (Steam Mode Only): Use the steam function for sanitizing and cleaning grout, tiles, and other hard, steam-safe surfaces.

Image: Good Helper for Fabric Cleaning. A user cleaning crayon marks from a light-colored sofa using the Uwant B400, highlighting its effectiveness on fabric stains.

Image: Hot Water Cleaning for Odor Removal. A user cleaning pet paw prints from a light-colored carpet with the Uwant B400, demonstrating hot water cleaning for stain and odor removal.

Image: Steam Injection for Heavy Stains. Four images demonstrating the versatility of the Uwant B400's steam function for heavy stains: cleaning a bathroom faucet, door frame, window blinds, and a kitchen stovetop.

Image: Portable and Lightweight Design. A user cleaning a car seat with the Uwant B400, showcasing its portable and lightweight design for easy use in vehicle interiors.
- 清空污水箱: When the dirty water tank is full (indicated by the 'MAX' line) or after cleaning is complete, remove the 2-in-1 tank and carefully empty the dirty water compartment. Rinse thoroughly.
- 關機: Press the power button to turn off the unit. Unplug the power cord from the electrical outlet.
7、維護保養
Regular maintenance ensures optimal performance and extends the lifespan of your Uwant B400 cleaner.
- 清空和沖洗水箱: After each use, empty both the clean and dirty water compartments of the 2-in-1 tank. Rinse them thoroughly with clean water to remove any residue. Allow the tanks to air dry completely before reassembling them into the main unit.
- Clean Cleaning Head and Hose: Rinse the cleaning head and the inside of the flexible hose with clean water to prevent clogs and buildup. You can run clean water through the system in suction-only mode to flush the hose.
- 擦拭裝置: 用柔軟的布擦拭主機外部。amp 布。請勿使用磨蝕性清潔劑或溶劑。
- 貯存: Store the appliance in a cool, dry place, away from direct sunlight and out of reach of children. Ensure the hose is not kinked or bent sharply during storage.
8。 故障排除
If you encounter issues with your Uwant B400, refer to the following table for common problems and solutions.
| 問題 | 可能的原因 | 解決方案 |
|---|---|---|
| 電器未開啟。 | 電源線未牢固插入。插座無電源。 | 檢查電源線連接。用其他設備測試插座。 |
| No water/steam is spraying. | Clean water tank is empty. Spray trigger not pressed. Nozzle clogged. | Refill clean water tank. Ensure trigger is fully pressed. Clean the nozzle. |
| Poor or no suction. | Dirty water tank is full. Cleaning head not flush with surface. Hose blockage. | Empty dirty water tank. Ensure cleaning head makes full contact. Check hose for obstructions. |
| Water is not heating up (Hot Water/Steam mode). | Insufficient time for heating. Incorrect button press. | Allow 1-2 minutes for water to heat. Press hot water button once for hot water, double-press steam button for steam. |
| 清潔效果不理想。 | Stain is too old/stubborn. Cleaning passes too fast. | Pre-treat heavy stains. Make slower, overlapping passes. Repeat cleaning process. |
9. 規格
Technical specifications for the Uwant B400 Upholstery and Carpet Cleaner:
- 品牌: 烏萬特
- 模型: B400
- 顏色: 灰色的
- 產品重量: 5.69 公斤(12.54 磅)
- 電源: 有線電動
- 吸力: 18千帕
- 熱水溫度: 高達 65°C (149°F)
- 蒸氣溫度: 高達 100°C (212°F)
- 水箱設計: 2-in-1 (Separate compartments for clean and dirty water)
- 製造商: 烏萬特
- 製造年份: 2025
10. 保固和支持
For specific warranty terms and conditions, please refer to the warranty card included with your purchase. For technical support, service inquiries, or to purchase replacement parts, please contact Uwant customer service. Contact details can typically be found on the manufacturer's official web網站或產品包裝中。