Important Safety Instructions
Please read and save these safety instructions before using your humidifier. Failure to follow these instructions may result in electric shock, fire, or serious injury.
- Always place the humidifier on a firm, flat, waterproof surface at least 12 inches (30 cm) away from walls and appliances.
- Do not immerse the humidifier base in water or other liquids.
- Unplug the humidifier before filling, cleaning, or moving it.
- Do not operate the humidifier with a damaged cord or plug.
- Keep the humidifier out of reach of children and pets.
- Use only clean, cool tap water. Do not add essential oils directly into the water tank unless specified for the aromatherapy tray.
- Do not block the mist outlet or air intake vents.
- Regularly clean the humidifier to prevent mineral buildup and bacterial growth.
Product Overview
The Grelife 4L Top Fill Cool Mist Humidifier is designed to provide optimal humidity levels in your environment. It features a large water tank, adjustable mist output, a humidistat, timer function, and a night light.

Figure 1: Grelife 4L Top Fill Cool Mist Humidifier with its remote control. The image displays the humidifier's main unit, including the water tank, base with control panel, and a separate remote control.
Components:
- Water Tank (4L capacity)
- Base Unit with Control Panel
- Mist Nozzle
- Remote Control
- Power Cord
- User Manual (this document)
Setup
- Unpack: Carefully remove all packaging materials and ensure all components are present.
- Placement: Place the humidifier on a flat, stable, and waterproof surface. Ensure it is at least 12 inches (30 cm) away from walls, furniture, and electronic devices.
- Fill Water Tank:
- Remove the top cover of the humidifier.
- Pour clean, cool tap water directly into the water tank from the top opening. Do not exceed the maximum fill line.
- Replace the top cover securely.

Figure 2: Illustration of the top-fill design, showing water being poured directly into the open top of the humidifier and a hand cleaning the interior. This design simplifies refilling and cleaning.
- Connect Power: Plug the power cord into a standard electrical outlet. The humidifier will enter standby mode.
Operating Instructions
The humidifier can be operated using the control panel on the base unit or the included remote control.
Control Panel & Remote Functions:
- Power Button: Press to turn the humidifier on or off.
- Mist Level Button: Press to cycle through 4 mist output levels (Low, Medium, High, Max).
- Humidity Setting Button: Press to set your desired humidity level between 55%RH and 95%RH in 5% increments. The humidifier will automatically maintain this level.
- Timer Button: Press to set an operating timer from 1 to 24 hours. The humidifier will automatically shut off when the set time expires.
- Night Light Button: Press to turn the soft night light on or off.

Figure 3: The Grelife humidifier operating quietly in a bedroom setting, emitting mist with its night light activated. This illustrates the quiet operation and night light feature.
Aromatherapy Function:
To use essential oils, locate the aromatherapy tray (usually a small drawer or compartment on the side or back of the base unit). Add a few drops of water-soluble essential oil onto the aroma pad. Do not add essential oils directly into the water tank.

Figure 4: A person adding drops of essential oil into the designated aromatherapy compartment of the Grelife humidifier. This demonstrates the proper method for using the aromatherapy feature.
Maintenance
Regular cleaning is essential for optimal performance and to prevent mineral buildup and bacterial growth. Always unplug the humidifier before cleaning.
Daily Maintenance:
- Empty and rinse the water tank and base unit with fresh water.
- Wipe down all surfaces with a clean, dry cloth.
Weekly Cleaning:
- Descaling:
- Mix 1 teaspoon of white vinegar with 1 cup of water.
- Pour the solution into the water tank and base unit, ensuring it covers any mineral buildup.
- Let it soak for 20-30 minutes.
- Brush away any mineral deposits with a soft brush.
- Rinse thoroughly with clean water until the vinegar smell is gone.
- Disinfecting:
- Mix 1 teaspoon of bleach with 1 gallon of water.
- Pour a small amount into the water tank and base unit.
- Swish the solution around to wet all surfaces.
- Let it soak for 20 minutes.
- Rinse thoroughly with clean water until the bleach smell is gone.
- Aroma Pad: Clean the aroma pad or replace it if necessary.
Important: Do not use harsh chemicals or abrasive cleaners, as they may damage the humidifier.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| No mist or low mist output |
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| Unusual odor |
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| Water leakage |
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| Error Code "EE" (as per user reviews) |
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Specifications
| Feature | Detail |
|---|---|
| Brand | Grelife |
| Model Name | LE-H002 |
| Capacity | 4 Liters |
| Operation Mode | Ultrasonic |
| Special Features | Adjustable Humidity Control, Auto Shut Off, Humidistat, Night Light, Quiet Operation, 24-Hour Timer, Remote Control, Top Fill Design, Aromatherapy Tray |
| Floor Area Coverage | Up to 200 Square Feet |
| Item Weight | 1.22 kg (2.69 lbs) |
| Dimensions (LxWxH) | 31.8 x 19.8 x 19.8 Centimeters (12.5 x 7.8 x 7.8 inches) |
| Color | White |
| Included Components | Grelife 4L Humidifier, Remote Control, User Manual |
Warranty and Support
Grelife products are manufactured to high-quality standards. This product comes with a standard manufacturer's warranty against defects in materials and workmanship. Please refer to the warranty card included in your packaging for specific terms and conditions.
For technical support, warranty claims, or any questions regarding your Grelife humidifier, please contact our customer support team:
- Website: www.grelife.com (placeholder, actual website may vary)
- Email: support@grelife.com (placeholder)
- Phone: [Insert Customer Service Phone Number Here] (placeholder)
Please have your model number (LE-H002) and purchase date ready when contacting support.