1. Introduction
Welcome to the user manual for your WMF Lono Aroma Filter Coffee Machine. This elegant coffee maker, crafted from high-quality Cromargan, is designed to deliver an exceptional coffee experience. It features the Aroma Perfection system for adjusting coffee intensity, ensuring a rich and flavorful brew every time.
This manual provides detailed instructions on setting up, operating, maintaining, and troubleshooting your coffee machine to ensure optimal performance and longevity.
Image 1.1: The WMF Lono Aroma Filter Coffee Machine, showcasing its sleek Cromargan design and insulated carafe.
2. Safety Instructions
Please read all safety instructions carefully before using the appliance.
- Always connect the appliance to a grounded power outlet.
- Do not immerse the appliance, power cord, or plug in water or other liquids.
- Keep the appliance out of reach of children.
- Unplug the appliance from the power outlet when not in use and before cleaning.
- Do not operate the appliance if it has a damaged cord or plug, or if it malfunctions or has been damaged in any way.
- Use only WMF original accessories and spare parts.
3. Components Overview
Familiarize yourself with the main components of your WMF Lono Aroma Filter Coffee Machine.
- Removable Water Tank: Made of BPA-free Tritan with a water level indicator for precise filling.
- Swivel Filter Holder: Allows for easy and mess-free pouring of ground coffee.
- Insulated Thermal Carafe: 1.0 liter capacity, holds up to 8 cups, keeps coffee warm for extended periods. Features a practical opening and closing mechanism.
- Control Panel: User-friendly interface with intuitive buttons for operation.
- Anti-Drip System: Prevents dripping after brewing.
- Automatic Descaling Program: For easy maintenance and longevity.
Image 3.1: Side view of the coffee machine, highlighting the removable water tank and the control panel.
Image 3.2: Detailed view of the control panel with power, brew, and aroma buttons.
4. Setup
Follow these steps to set up your coffee machine for the first time.
- Unpacking: Carefully remove all packaging materials and ensure all components are present.
- Placement: Place the coffee machine on a stable, flat, and heat-resistant surface, away from water sources.
- Initial Cleaning: Before first use, clean the water tank, filter holder, and thermal carafe with warm water and a mild detergent. Rinse thoroughly.
- First Brew Cycle (without coffee):
- Fill the removable water tank with fresh cold water up to the MAX mark.
- Place the empty filter holder and thermal carafe in their respective positions.
- Plug the appliance into a power outlet.
- Press the power button to start a brewing cycle without coffee. This cleans the internal system.
- Discard the water after the cycle is complete.
Image 4.1: The coffee machine positioned on a kitchen counter, ready for use.
5. Operating Instructions
Follow these steps to brew coffee with your WMF Lono Aroma Filter Coffee Machine.
- Fill Water Tank: Remove the water tank and fill it with the desired amount of fresh, cold water. The water level indicator helps you measure for the exact number of cups (up to 8 cups). Reinsert the water tank securely.
- Insert Filter: Swing out the filter holder. Insert a standard 1x4 paper filter into the filter holder.
- Add Ground Coffee: Add the desired amount of ground coffee into the paper filter. For optimal aroma, WMF recommends using the Aroma Perfection function.
- Close Filter Holder: Swing the filter holder back into its closed position.
- Place Carafe: Ensure the insulated thermal carafe is correctly placed under the filter holder.
- Start Brewing: Press the power button on the control panel to start the brewing process. The machine will automatically brew coffee at an optimal temperature (92-95°C) for perfect aroma development.
- Aroma Perfection Function: To activate the Aroma Perfection function for stronger, more aromatic coffee, press the dedicated aroma button on the control panel before starting the brew cycle.
- Automatic Shut-off: The machine will automatically shut off after the brewing cycle is complete. The anti-drip system prevents spills when the carafe is removed.
Image 5.1: The swivel filter holder in the open position, ready for filter and coffee grounds.
Image 5.2: Close-up of the removable water tank with clear level markings.
6. Maintenance and Cleaning
Regular cleaning and maintenance will ensure the longevity and optimal performance of your coffee machine.
6.1 Daily Cleaning
- Thermal Carafe: The insulated carafe can be cleaned under running water. Ensure the lid mechanism is also cleaned.
- Filter Holder: The removable filter holder can be easily rinsed under running water.
- Water Tank: Rinse the removable water tank with fresh water.
- Exterior: Wipe the exterior of the coffee machine with a damp cloth. Do not use abrasive cleaners.
6.2 Descaling
The WMF Lono Aroma Filter Coffee Machine is equipped with an automatic descaling program. Regular descaling is crucial to prevent limescale buildup, which can affect performance and coffee taste.
- Consult the indicator light or manual for when descaling is recommended (typically based on water hardness and usage).
- Prepare a descaling solution according to the descaler manufacturer's instructions (e.g., WMF descaling solution).
- Fill the water tank with the descaling solution.
- Place the empty thermal carafe under the filter holder.
- Activate the automatic descaling program (refer to the control panel section for specific button combination, if any, or typically a dedicated descaling button).
- After the descaling cycle, run at least two full cycles with fresh water to rinse the system thoroughly.
Image 6.1: Symbol indicating the automatic descaling program.
7. Troubleshooting
If you encounter any issues with your coffee machine, refer to the table below for common problems and their solutions.
| Problem | Possible Cause | Solution |
|---|---|---|
| Coffee does not brew. | No water in tank; machine not plugged in; power button not pressed. | Fill water tank; ensure plug is securely in outlet; press power button. |
| Coffee tastes weak. | Insufficient coffee grounds; coarse grind; descaling needed. | Add more coffee grounds; use finer grind; perform descaling cycle. Activate Aroma Perfection. |
| Coffee overflows from filter. | Too much coffee grounds; filter clogged; carafe not correctly placed. | Reduce coffee grounds; clean filter holder; ensure carafe is properly seated. |
| Machine leaks. | Water tank not properly seated; carafe not correctly placed; internal component issue. | Re-seat water tank; ensure carafe is correctly placed. If problem persists, contact customer support. |
| Coffee is not hot enough. | Carafe not pre-warmed; descaling needed. | Rinse carafe with hot water before brewing; perform descaling cycle. |
8. Specifications
| Feature | Detail |
|---|---|
| Brand | WMF |
| Model Number | 0412310011 |
| Color | Cromargan matte |
| Dimensions (L x W x H) | 38 x 32 x 26 cm (14.96 x 12.6 x 10.24 inches) |
| Weight | 3.16 kg (6.97 lbs) |
| Capacity | 1.0 Liters (8 cups) |
| Power | 800 Watts |
| Voltage | 220 Volts |
| Material | Stainless Steel (Cromargan) |
| Automatic Shut-off | Yes |
| Energy Efficiency Class | B |
| Special Feature | Insulated Carafe |
| Filter Type | Reusable (uses 1x4 paper filters) |
| Country of Origin | China |
9. Warranty and Support
WMF products are manufactured with high-quality materials and undergo strict quality control.
- For warranty information, please refer to the warranty card included with your product or visit the official WMF website.
- For technical support, spare parts, or service inquiries, please contact WMF customer service. Contact details can typically be found on the WMF website or in the product packaging.
- Keep your proof of purchase for warranty claims.
Online Resources: For additional information, FAQs, and product registration, please visit the official WMF website: www.wmf.com
