1. Introduction
Thank you for choosing the MDHAND D1C Electric Dehumidifier. This manual provides essential information for the safe and efficient operation of your device. Please read it thoroughly before use and retain it for future reference.
The MDHAND D1C is designed to reduce excess humidity in small spaces, helping to create a more comfortable and healthy environment. It features a 1500ml water tank, quiet operation, automatic defrost, and a convenient timer function.

Image 1: The MDHAND D1C Dehumidifier helps mitigate common humidity-related issues such as dust mites, condensation, damp clothing, mold growth, and overall humid conditions, contributing to a healthier living space.
2. Safety Instructions
- Ensure the power supply matches the voltage specified on the appliance.
- Do not immerse the dehumidifier, power cord, or plug in water or other liquids.
- Keep the appliance away from heat sources, direct sunlight, and flammable materials.
- Do not block the air inlet or outlet. Maintain at least 10 cm clearance around the unit.
- Always place the dehumidifier on a stable, level surface.
- Unplug the appliance before cleaning, maintenance, or when not in use for extended periods.
- Do not operate the dehumidifier if the power cord or plug is damaged, or if the appliance malfunctions or has been dropped. Contact customer support for assistance.
- This appliance is for indoor use only.
- Keep out of reach of children and pets.
3. Product Components
Familiarize yourself with the main parts of your MDHAND D1C Dehumidifier:
- Control Panel (with display)
- Air Inlet
- Air Outlet
- Water Tank (removable)
- Water Tank Handle (hidden)
- Power Cord Port

Image 2: The MDHAND D1C Dehumidifier with its 1500ml water tank detached, illustrating the tank's design and capacity for easy removal and emptying.
4. Setup
- Unpack: Carefully remove the dehumidifier from its packaging. Retain packaging for future storage or transport.
- Placement: Place the dehumidifier on a firm, level surface in the desired location. Ensure there is at least 10 cm of clear space around all sides for proper airflow. Avoid placing it near walls, furniture, or curtains that could obstruct the air inlets or outlets.
- Power Connection: Plug the power cord into a suitable electrical outlet.

Image 3: The MDHAND D1C Dehumidifier is suitable for various small environments such as bedrooms, bathrooms, living areas, basements, kitchens, and offices, effectively managing humidity in each.
5. Operating Instructions
5.1 Power On/Off
- Press the Power button on the control panel to turn the unit on or off.
5.2 Dehumidification Modes (Two Levels)
The dehumidifier offers two operating levels for varying humidity conditions:
- Level 1: Approximately 250 ml/24 hours (at 30°C and 80% RH). Suitable for normal humidity conditions.
- Level 2: Approximately 350 ml/24 hours (at 30°C and 80% RH). Recommended for rainy weather or higher humidity levels.
- Use the mode selection button on the control panel to switch between levels. The unit operates quietly, with noise levels below 40 decibels.
5.3 Timer Function
Set the dehumidifier to automatically shut off after a specified period:
- Press the Timer button to cycle through available options: 2, 4, 6, 8, 10, or 12 hours.
- The unit will automatically power off once the selected time has elapsed.

Image 4: The control panel displays timer options, allowing users to set the dehumidifier to automatically shut down after 2, 4, 6, 8, 10, or 12 hours.
5.4 Night Light
The dehumidifier features a colorful night light:
- When the unit is operating, the colorful lights will automatically cycle.
- You can select your preferred color from the cycling options.

Image 5: The MDHAND D1C Dehumidifier features a colorful night light that cycles automatically, providing a gentle and comforting glow suitable for a bedroom environment.
5.5 Automatic Defrost
The unit is equipped with an automatic defrost function:
- In low-temperature environments, the temperature sensor will detect if the temperature falls below a certain threshold and automatically activate the anti-freeze function.
- Once the temperature returns to a level where no frost is present on the condenser, the unit will automatically resume dehumidification mode.
5.6 Water Tank Full Indication and Automatic Shut-off
- The dehumidifier is equipped with a water full sensor.
- When the water tank is full, the unit will emit a beep sound, and a red light will illuminate.
- The dehumidifier will automatically shut off to prevent overflow.
- Empty the water tank and reinsert it correctly to resume operation.
6. Maintenance
6.1 Cleaning the Water Tank
- Turn off the dehumidifier and unplug it from the power outlet.
- Carefully pull out the water tank from the back of the unit.
- Empty the collected water.
- Clean the water tank with mild detergent and warm water. Rinse thoroughly.
- Ensure the tank is completely dry before reinserting it into the dehumidifier.
6.2 Cleaning the Exterior
- Wipe the exterior of the dehumidifier with a soft, damp cloth.
- Do not use abrasive cleaners or solvents, as these may damage the surface.
7. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Dehumidifier does not turn on | No power supply; Power button not pressed; Water tank full or incorrectly inserted. | Check power connection; Press power button; Empty and correctly reinsert water tank. |
| No water collected | Humidity level too low; Room temperature too low; Air inlets/outlets blocked. | The unit may not collect water if humidity is below 40% RH or temperature is below 8°C; Ensure proper airflow. |
| Unit is noisy | Unit not on a level surface; Air filter dirty (if applicable); Obstruction in fan. | Place on a flat surface; Clean air filter (if applicable); Check for obstructions. |
| Red light on, unit off | Water tank is full. | Empty the water tank and reinsert it properly. |
8. Specifications
| Feature | Specification |
|---|---|
| Brand | MDHAND |
| Model Number | D1C |
| Color | White + Grey |
| Product Dimensions (L x W x H) | 15 x 13 x 24 cm |
| Weight | 1.1 kg |
| Water Tank Capacity | 1500 ml |
| Dehumidification Capacity (Max) | 350 ml/24 hours (at 30°C, 80% RH) |
| Number of Speeds | 2 |
| Noise Level | < 40 dB |
| Special Features | Silent Operation, Automatic Defrost, Colorful Night Light, Timer Function, Automatic Shut-off (Water Full) |
| Operating Mode | Continuous |
| Rated Temperature (Upper) | 30 Degrees Celsius |
9. Warranty and Support
Specific warranty information is not provided in the product details. For warranty claims, technical support, or any questions regarding your MDHAND D1C Dehumidifier, please contact the retailer or manufacturer directly. Keep your purchase receipt as proof of purchase.