1. Introduction
Thank you for choosing the ROMMELSBACHER EKM 400 Conical Burr Coffee Grinder. This appliance is designed to provide consistently perfect grinding results for various coffee preparations, from espresso to French press. Its high-quality stainless steel conical burr grinder ensures aroma-preserving grinding, while the integrated antistatic function minimizes mess. Please read this manual carefully before using the appliance for the first time to ensure safe operation and optimal performance.
2. Safety Instructions
Always observe the following safety precautions when using electrical appliances:
- Read all instructions before use.
- Ensure the voltage indicated on the appliance corresponds to your local mains voltage before connecting.
- Do not immerse the appliance, power cord, or plug in water or other liquids.
- Unplug the appliance from the outlet when not in use, before assembling or disassembling parts, and before cleaning.
- Keep hands and utensils out of the bean hopper and grounds container during operation to prevent injury and damage to the appliance.
- Do not operate any appliance with a damaged cord or plug, or after the appliance malfunctions or has been damaged in any manner.
- This appliance is not intended for use by persons (including children) with reduced physical, sensory, or mental capabilities, or lack of experience and knowledge, unless they have been given supervision or instruction concerning use of the appliance by a person responsible for their safety.
- Children should be supervised to ensure that they do not play with the appliance.
- Use only attachments recommended or sold by the manufacturer.
- Do not use outdoors.
3. Product Overview and Components
Familiarize yourself with the various parts of your ROMMELSBACHER EKM 400 coffee grinder.
Image 3.1: Detailed view of the ROMMELSBACHER EKM 400 coffee grinder with key components labeled, including the bean hopper, conical burr grinder, LED display, touch sensors, portafilter holder, and grounds container.
- Bean Hopper: Transparent, removable container for whole coffee beans (capacity: 220g) with an aroma protection lid and automatic closing system.
- Conical Burr Grinder: High-quality, aroma-preserving stainless steel burrs with anti-clogging protection.
- Grind Level Adjustment: Dial to select from 35 different grind levels.
- LED Display: Large display showing selected settings.
- Touch Sensors: For intuitive control and adjustment of settings.
- Portafilter Holder: Removable support for grinding directly into a 60mm diameter portafilter.
- Grounds Container: Removable container for collecting ground coffee (capacity: 130g) with an aroma seal.
- Antistatic Function: Integrated ion generator to prevent static charge of ground coffee.
- Rubber Feet: 5 non-slip rubber feet for stable placement.
- Cable Winder: For tidy storage of the power cable.
4. Setup
- Unpacking: Carefully remove all packaging materials and check for any damage. Keep packaging for future storage or transport.
- Placement: Place the coffee grinder on a stable, flat, and dry surface. Ensure there is enough space around the appliance for proper ventilation.
- Assembly:
- Ensure the conical burr grinder is correctly seated.
- Place the bean hopper onto the top of the grinder and turn it clockwise until it locks securely into position.
- Insert the grounds container into its designated slot at the front of the appliance. Alternatively, attach the portafilter holder if grinding directly into a portafilter.
- Power Connection: Plug the power cord into a suitable 230 Volt electrical outlet.
5. Operating Instructions
5.1 Filling the Bean Hopper
Open the lid of the bean hopper and pour whole coffee beans into the container. The maximum capacity is 220g. Close the lid securely to preserve aroma.
5.2 Adjusting Grind Level
The EKM 400 offers 35 precise grind levels, allowing you to customize your coffee for any brewing method. Rotate the grind level adjustment dial to select your desired fineness.
- Levels 1-5 (Extra-fine): Ideal for espresso machines.
- Levels 6-12 (Fine): Suitable for drip coffee makers with paper filters.
- Levels 13-22 (Medium): Recommended for pour-over and automatic filter coffee machines.
- Levels 23-35 (Coarse): Perfect for French press and cold brew.
Image 5.1: Visual guide to grind levels, showing extra-fine for espresso, fine for drip, medium for pour-over, and coarse for French press, corresponding to the 35 available settings.
5.3 Adjusting Quantity
Use the touch sensors and LED display to select the desired number of portions, up to 12. The electronic adjustment allows for precise control over the amount of ground coffee.
5.4 Grinding Process
- Ensure the grounds container is in place or the portafilter is securely attached to the holder.
- Press the start button (usually indicated by a power symbol or play icon) on the touch panel. The grinder will begin to operate.
- The grinder will automatically stop once the selected quantity has been ground. You can also manually stop the grinding process by pressing the start button again.
Image 5.2: The ROMMELSBACHER EKM 400 coffee grinder in operation, demonstrating grinding directly into a portafilter using the removable holder.
5.5 Antistatic Function
The integrated antistatic function neutralizes static electricity in the ground coffee, preventing it from clinging to the container walls and reducing mess. This ensures a cleaner grinding experience and easier transfer of ground coffee.
Image 5.3: A visual comparison illustrating the effectiveness of the antistatic function, showing how coffee grounds are neatly collected without clinging to the container walls.
6. Maintenance and Cleaning
Regular cleaning ensures the longevity and optimal performance of your coffee grinder. Always unplug the appliance before cleaning.
- Cleaning the Burr Grinder: The modular design allows for easy removal of the burr grinder for cleaning. Use the included cleaning brush to remove any residual coffee grounds from the burrs and grinding chamber.
- Cleaning the Bean Hopper and Grounds Container: Remove both containers and wash them with warm, soapy water. Rinse thoroughly and dry completely before reassembling. Ensure they are completely dry to prevent moisture from affecting coffee beans or grounds.
- Cleaning the Exterior: Wipe the exterior of the appliance with a soft, damp cloth. Do not use abrasive cleaners or immerse the main unit in water.
7. Troubleshooting
If you encounter issues with your coffee grinder, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Grinder does not start. | Appliance not plugged in; bean hopper not correctly seated; power outage. | Check power connection; ensure bean hopper is locked in place; check household power. |
| Inconsistent grind. | Burrs are dirty or clogged; incorrect grind setting for bean type. | Clean the burr grinder thoroughly; adjust grind setting as per section 5.2. |
| Coffee grounds cling to container. | Antistatic function not working optimally or container is dirty. | Ensure the antistatic function is active (if applicable, though it's integrated); clean the grounds container. |
| Grinder stops unexpectedly. | Overheating; bean hopper empty; safety mechanism activated. | Allow appliance to cool down; refill bean hopper; check for obstructions. |
If the problem persists after attempting these solutions, please contact customer support.
8. Specifications
Technical details for the ROMMELSBACHER EKM 400 Coffee Grinder:
| Brand | Rommelsbacher |
| Model Number | EKM 400 |
| Color | Black/Stainless Steel |
| Dimensions (L x W x H) | 19 x 12.2 x 31 cm |
| Weight | 1.9 Kilograms |
| Bean Hopper Capacity | 220 Grams |
| Grounds Container Capacity | 130 Grams |
| Power | 200 Watts |
| Voltage | 230 Volts |
| Material | Plastic, Stainless Steel |
| Special Features | Antistatic Function, 35 Grind Levels, Portafilter Support |
9. Warranty and Support
For warranty information and customer support, please refer to the warranty card included with your product or visit the official ROMMELSBACHER website. Keep your proof of purchase for any warranty claims.
For technical assistance or questions not covered in this manual, please contact ROMMELSBACHER customer service.





