Introduction
Thank you for choosing the Maxcio HU25-07A1 Humidifier. This manual provides important information for the safe and efficient operation of your device. Please read it thoroughly before use and retain it for future reference.
Important Safety Instructions
To reduce the risk of fire, electric shock, or injury, please observe the following:
- Always place the humidifier on a firm, flat, water-resistant surface.
- Do not place the humidifier near heat sources or in direct sunlight.
- Keep out of reach of children and pets.
- Unplug the humidifier before filling, cleaning, or moving it.
- Do not add essential oils directly into the water tank; use the designated aroma box if available.
- Do not block air vents.
- Use only clean, cool tap water or distilled water.
- Regular cleaning is essential to prevent mold and bacteria growth.
- This appliance is not intended for use by persons (including children) with reduced physical, sensory or mental capabilities, or lack of experience and knowledge, unless they have been given supervision or instruction concerning use of the appliance by a person responsible for their safety.
Product Overview
The Maxcio HU25-07A1 is an ultrasonic humidifier designed for home use, featuring adjustable mist levels, automatic humidity control, a child lock function, and a colorful LED light. It has a 2.5-liter capacity and operates quietly at 28dB.

Figure 1: Maxcio HU25-07A1 Humidifier with key features.
Key Features:
- 2.5 Liter Capacity: Provides extended operation time.
- Quiet Operation: Operates at a low noise level of 28dB.
- Adjustable Mist Output: Three-speed mist control (Low, Medium, High).
- 360° Adjustable Nozzle: Allows for personalized spray direction.
- Automatic Humidity Adjustment: Maintains desired humidity levels with auto stop and restart functions.
- Child Lock Function: Prevents accidental changes to settings.
- Colorful LED Light: Can be used as a night light or turned off.
- Top-Fill Design: Easy refilling and cleaning.
- Independent Filter: Helps to purify water quality for a cleaner mist.
- Portable Design: Features a handle for easy movement.
Specifications
| Feature | Specification |
|---|---|
| Brand | Maxcio |
| Model Number | HU25-07A1 |
| Capacity | 2.5 Liters |
| Operation Mode | Ultrasonic |
| Product Dimensions | 7.08"D x 7.08"W x 9.37"H |
| Item Weight | 2.84 Pounds |
| Floor Area Coverage | 24 Square Meters |
| Voltage | 230 Volts |
| Control Method | Touch |
| Noise Level | 28dB |
Setup
- Unpack the Humidifier: Carefully remove all packaging materials. Ensure all components are present: humidifier unit, power adapter, and instruction manual.
- Placement: Place the humidifier on a flat, stable, and water-resistant surface at least 6 inches (15 cm) away from walls and furniture. Avoid placing it on carpets or near heat sources.
- Fill the Water Tank:
- Remove the top cover.
- Pour clean, cool tap water or distilled water directly into the water tank. Do not exceed the MAX fill line.
- Replace the top cover securely.

Figure 2: Top-fill water tank for easy refilling.
The humidifier features a wide mouth for quick and easy refilling and cleaning. It also includes auto shut-off, is designed to prevent leaking, and is easy to clean.
- Connect Power: Plug the power adapter into the humidifier and then into a suitable electrical outlet.
Operating Instructions
Control Panel Overview:

Figure 3: Humidifier control panel with touch buttons.
The control panel features touch-sensitive buttons for various functions, including mist control, power, light, humidity settings, and timer. The display shows current and set humidity levels.
- Power On/Off:
- Press the Power/Lock button once to turn the humidifier on.
- Press again to turn it off.
- Adjust Mist Level:
- Press the Mist/No Mist button repeatedly to cycle through Low (100ml/h), Medium (150ml/h), and High (200ml/h) mist output levels.

Figure 4: Adjusting the 360° nozzle and mist output levels.
The humidifier features a 360° adjustable nozzle to direct the mist. You can select from three mist speeds: Low (100ml/h), Medium (150ml/h), and High (200ml/h).
- Set Humidity Level (Automatic Humidity Adjustment):
- Press the Humidity Setting button to set your desired humidity level (e.g., 40%, 50%, 60%, 70%).
- The humidifier will automatically stop when the ambient humidity exceeds the set level and restart when it falls below.
- Timer Function:
- Press the Timer/Indicator button to set an operating time (e.g., 2H, 4H, 8H). The humidifier will automatically turn off after the set time.
- LED Light Control (Sleep Mode):
- Press the Light/Sleep button to turn on the colorful LED light. Press again to cycle through colors or turn off the light.
- This function is ideal for use as a night light in sleep mode.

Figure 5: Humidifier operating in Sleep Mode with colorful LED light.
The humidifier's colorful LED light can serve as a night light and can be turned off independently.
- Child Lock Function:
- To activate the child lock, long press the Power/Lock button for 3 seconds. The control panel will become unresponsive to accidental touches.
- To deactivate, long press the Power/Lock button again for 3 seconds.

Figure 6: Child Lock Function activation.
The child lock function prevents accidental changes to settings, enhancing safety, especially in homes with young children.
Maintenance
Regular cleaning is crucial for optimal performance and hygiene.
- Daily Maintenance:
- Empty and rinse the water tank daily.
- Wipe the inside of the tank with a clean cloth.
- Weekly Cleaning:
- Unplug the humidifier.
- Remove the top cover and the independent filter.
- Clean the water tank and base with a soft brush and mild detergent. Rinse thoroughly.
- To remove mineral buildup, fill the tank with a mixture of equal parts white vinegar and water. Let it soak for 30 minutes, then scrub and rinse.
- Clean the independent filter:

Figure 7: Independent filter for water quality and cleaner mist.
The independent filter helps to improve water quality and produce a cleaner mist. It can be disassembled by pulling it downward for thorough cleaning.
- Ensure all parts are completely dry before reassembling.
- Storage:
- Before storing, clean and dry the humidifier thoroughly.
- Store in a cool, dry place.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| No mist or low mist output |
|
|
| Unpleasant odor |
|
|
| Water leakage |
|
|
| Humidifier not turning on |
|
|
Warranty and Support
Maxcio products come with a standard manufacturer's warranty. For specific warranty details, please refer to the warranty card included in your product packaging or visit the official Maxcio website.
For technical support, troubleshooting assistance, or any questions regarding your Maxcio HU25-07A1 Humidifier, please contact our customer support team:
- Email: support@maxcio.com
- Website: www.maxcio.com/support
Please have your model number (HU25-07A1) and purchase date ready when contacting support.