1. Introduction
This manual provides instructions for the safe and efficient use of your mooas Happy Buddy Artist Edition Automatic Soap Dispenser, Model MSDT17. This touchless foaming soap dispenser features unique artist illustrations, an infrared sensor for hygienic operation, and a rechargeable battery.

The mooas Happy Buddy Artist Edition Automatic Soap Dispenser in Ivory, featuring a 'Go Fetch!' illustration of a child and a dog. This is the main unit of the product.
2. Package Contents
Please verify that all items are present in the package:
- Main Dispenser Unit
- USB Type-C Charging Cable
- User Manual (this document)
3. Setup
3.1 Initial Charging
Before first use, fully charge the dispenser. Connect the provided USB Type-C cable to the charging port on the top unit and to a suitable USB power source. The LED indicator will show charging status (red for charging, off for fully charged). A full charge takes approximately 3.5 hours and provides approximately 6,000 uses.

A detailed view of the dispenser's top, highlighting the USB Type-C charging port. The LED indicator shows charging status (red for charging, off for fully charged). Use the provided cable for charging.
3.2 Filling with Soap
- Hold the main body of the dispenser and pull the top unit to separate it from the container.
- Pour foaming liquid soap into the container. Do not exceed the MAX line (300ml).
- Reassemble the top unit onto the container, ensuring it is securely attached.
Note: This dispenser is designed for foaming hand soap. If using regular liquid soap, dilute it with water at a 1:1 ratio to achieve optimal foam consistency.

This image illustrates the two-step process for refilling the dispenser. First, detach the top dispensing unit from the main container. Second, pour foaming liquid soap into the container, ensuring not to exceed the maximum fill line.
4. Operating Instructions
4.1 Power On/Off
- To power on, press and hold the touch-sensitive power button on the top of the dispenser for approximately 2 seconds.
- To power off, press and hold the power button for approximately 2 seconds again. The dispenser will also automatically switch to standby mode when not in use to conserve battery.
4.2 Dispensing Soap
Once powered on, place your hand beneath the nozzle. The built-in infrared sensor will detect your hand, and foam will be automatically dispensed according to the selected volume level.

Demonstration of the touchless operation. Place your hand beneath the nozzle, and the infrared sensor will detect it, dispensing foam soap automatically.
4.3 Adjusting Foam Volume
The dispenser offers two adjustable foam volume levels:
- Briefly press the power button once to switch between the two levels.
- The green LED indicator signifies the first stage (0.6g / 0.02 oz) of foam.
- The white LED indicator signifies the second stage (1g / 0.035 oz) of foam.

This image shows the top of the dispenser with the power button and step indicator LEDs. A brief press of the power button cycles between two foam volume levels: 0.02 oz (green LED) and 0.035 oz (white LED).
5. Maintenance
5.1 Automatic Self-Cleaning Function
The dispenser includes an automatic cleaning function for internal piping:
- When the dispenser is powered on, double-tap the power button briefly to activate the automatic cleaning mode.
- The cleaning function operates for approximately 20 seconds. During this time, the blue LED indicator will blink.
- To stop the function prematurely, briefly press the power button once.
- For thorough piping cleaning, it is recommended to add water to the container and then run the automatic cleaning mode.

The dispenser in automatic self-cleaning mode, showing water being discharged from the nozzle to clean internal piping. Double-tap the power button to activate this 20-second cycle.
5.2 Exterior Cleaning
- Ensure the product is powered off before cleaning.
- Wipe the exterior with a dry sponge or a soft cloth moistened with a mild household detergent.
- Do not use harsh cleaners such as benzene, thinner, or alcohol, as these can damage the surface.

Demonstrates cleaning the exterior of the dispenser. Ensure the device is powered off, then wipe with a soft cloth moistened with a mild household detergent. Avoid harsh chemicals.
5.3 Sensor Cleaning
If the green LED indicator blinks intermittently for approximately 3 minutes, it indicates a foreign substance on the infrared sensor. Clean the sensor thoroughly before resuming use.

A close-up of the infrared sensor, which detects hand presence for touchless operation. If the green LED blinks for 3 minutes, clean the sensor thoroughly.
5.4 Long-Term Storage
If the product will not be used for an extended period, drain all detergent from the container and internal connections, then clean it thoroughly. To prevent battery discharge, recharge the dispenser once every 2 to 3 months during long-term storage.
6. Troubleshooting
- No foam dispensed:
- Ensure the dispenser is powered on.
- Check battery level and recharge if necessary.
- Verify the infrared sensor is clean and unobstructed.
- Ensure the container has sufficient soap.
- Low foam volume or inconsistent foam:
- Confirm you are using foaming hand soap. If using regular liquid soap, ensure it is diluted 1:1 with water.
- Check for blockages in the nozzle and clean if necessary.
- Dispenser stutters or red light turns on:
- This indicates a low battery. Connect the included USB Type-C cable to recharge the device.
- Green LED blinks intermittently for 3 minutes:
- A foreign substance is detected on the infrared sensor. Clean the sensor thoroughly.
7. Specifications
| Model Number | MSDT17 |
| Brand | mooas |
| Color | Ivory (Go Fetch!) |
| Material | Acrylonitrile Butadiene Styrene (ABS) |
| Product Dimensions | 3.1"L x 4.5"W x 5.7"H |
| Liquid Volume Capacity | 300 Milliliters (10.14 oz) |
| Item Weight | 9.1 ounces (0.59 lbs) |
| Battery | 1500mAh Rechargeable Battery |
| Charging Time | Approximately 3.5 hours |
| Usage Per Charge | Approximately 6,000 times |
| Water Resistance Rating | IPX5 |
8. Warranty and Support
For warranty information or technical support, please refer to the official mooas website or contact their customer service directly. Keep your purchase receipt for warranty claims.
You can visit the official mooas store on Amazon for more information: mooas Store