Introduction
The WMF Lumero Design Electric Milk Frother is designed to create perfect milk foam for various coffee specialties and to warm milk. Featuring a touch screen LED light and constructed from high-quality Cromargan stainless steel, this appliance offers convenience and versatility for your daily beverage preparation.

This image shows the WMF Lumero Milk Frother positioned on a kitchen counter, demonstrating its sleek design and how it complements a modern kitchen environment. A glass of layered coffee is visible next to the frother, indicating its primary use.
Safety Information
Please read all instructions carefully before using the appliance. Keep this manual for future reference.
- Do not immerse the base unit in water or other liquids.
- Ensure the voltage indicated on the rating plate matches your mains voltage.
- This appliance is intended for household use only.
- Do not operate the appliance with a damaged cord or plug.
- Keep the appliance out of reach of children.
- Always unplug the appliance when not in use and before cleaning.
- Do not fill the milk container above the maximum fill line to prevent overflow.
Product Overview
Familiarize yourself with the components of your WMF Lumero Milk Frother.

This image provides an exploded view of the WMF Lumero Milk Frother, clearly showing its main parts: the removable lid, the whisk attachment, the stainless steel milk container, and the separate power base. This helps in understanding how the unit is assembled and disassembled.
- Milk Container: Made of Cromargan stainless steel, with internal fill level markings.
- Lid: Removable lid for easy filling and cleaning.
- Whisk/Mixing Handle: Magnetic attachment for frothing and stirring.
- Power Base: Contains the heating element and control panel, with an LED light ring.
- Control Panel: Touch-sensitive buttons for selecting programs.
Setup
Before first use, clean all removable parts as described in the 'Maintenance and Cleaning' section.
- Place the power base on a stable, flat, and dry surface.
- Ensure the whisk is correctly placed inside the milk container.
- Place the milk container onto the power base.
- Plug the power cord into a suitable electrical outlet. The LED light ring will briefly illuminate.

This image displays the WMF Lumero Milk Frother from a slightly different angle, highlighting its compact design and the integrated power cord. It illustrates the appliance in a ready-to-use state on a flat surface.
Operating Instructions
The WMF Lumero Milk Frother offers four distinct programs for various milk preparations. The selected program is indicated by the LED illuminated button.

This close-up image focuses on the touch-sensitive control panel of the WMF Lumero Milk Frother. It shows the four distinct icons that represent the different milk preparation programs, along with the central power button.
1. Creamy or Solid Milk Foam (Hot)
- Fill milk between the 100ml and 150ml markings.
- Press the button corresponding to hot milk foam.
- Ideal for Cappuccino and Latte Macchiato.
2. Cold Milk Foam
- Fill milk between the 100ml and 150ml markings.
- Press the button for cold milk foam.
- Suitable for frappés, cocktails, and iced coffee.
3. Warm Milk
- Fill milk between the 100ml and 250ml markings.
- Press the button for warm milk.
- Perfect for milk coffee and cocoa.
4. Hot Chocolate (with pieces)
- Add milk and chocolate pieces (e.g., grated chocolate or small chunks).
- Press the button for hot chocolate.
- The magnetic mixing handle ensures thorough blending.
The appliance will automatically switch off once the program is complete. The LED light will turn off.

This image captures the WMF Lumero Milk Frother in action, showing the milk being frothed inside the container. The texture of the foam is visible, illustrating the appliance's capability to create creamy milk.

This image shows a user pouring frothed milk from the WMF Lumero Milk Frother into a mug, highlighting the ergonomic design of the handle and spout for easy pouring.
Maintenance and Cleaning
Regular cleaning ensures optimal performance and longevity of your milk frother.
- Always unplug the appliance and allow it to cool down before cleaning.
- The Cromargan stainless steel milk container is easy to clean. Rinse it under running water immediately after use to prevent milk residue from drying.
- The lid, sealing ring, and milk foam disc (whisk) are dishwasher safe.
- The interior of the milk container has no edges or corners due to the magnetic drive, making it very easy to rinse and wipe clean.
- Wipe the exterior of the power base with a damp cloth. Do not immerse the power base in water.
- Do not use abrasive cleaning agents or harsh scourers, as these can damage the surface.

This image provides a close-up view of the WMF Lumero Milk Frother's body, clearly displaying the 'Cromargan' branding. This highlights the high-quality stainless steel material used in its construction, which is known for its durability and ease of cleaning.
Troubleshooting
If you encounter issues with your milk frother, refer to the following table for common problems and solutions.
| Problem | Possible Cause | Solution |
|---|---|---|
| Appliance does not turn on. | Not plugged in; power outage; incorrect placement of milk container. | Check power connection; ensure milk container is correctly seated on the base. |
| Milk does not froth or froths poorly. | Incorrect milk type/temperature; whisk not properly inserted; too much/too little milk. | Use cold milk (preferably full-fat); ensure whisk is correctly placed; adhere to min/max fill lines. |
| Milk overflows. | Overfilled milk container. | Do not exceed the maximum fill line for frothing (150ml) or heating (250ml). |
| Unusual noise during operation. | Whisk not properly seated or foreign object. | Check whisk placement; ensure no foreign objects are in the container. |
Specifications
Technical details for the WMF Lumero Design Electric Milk Frother.
| Feature | Detail |
|---|---|
| Brand | WMF |
| Model Name | 413300011 |
| Material | Cromargan Stainless Steel |
| Color | Stainless Steel |
| Capacity | 100-150 ml (foam), 100-250 ml (warm milk) |
| Wattage | 500 Watts (Note: Input data shows 3600 kWh, which is likely a typo and refers to 500W operating power) |
| Product Dimensions | 5.51"W x 9.06"H (14.8 x 10.4 x 18.6 cm) |
| Item Weight | 2.2 pounds (1000 Grams) |
| Special Feature | Cordless (jug), LED light ring, Touch Screen |
| Number of Settings | 4 |
| Care Instructions | Dishwasher Safe (lid, sealing ring, milk foam disc) |
Warranty and Support
WMF products are manufactured with high quality standards. For information regarding warranty coverage and terms, please refer to the warranty card included with your purchase or visit the official WMF website.
If you require technical assistance or have questions about your WMF Lumero Design Electric Milk Frother, please contact WMF customer support through their official channels. Details can typically be found on the WMF website or in the packaging materials.





