Introducción
This manual provides essential information for the safe and efficient operation of your GRAEF CM502EU Coffee Grinder. Please read these instructions carefully before first use and keep them for future reference. Proper use and maintenance will ensure optimal performance and longevity of your appliance.
Instrucciones de seguridad importantes
- Lea todas las instrucciones antes de operar el aparato.
- No sumerja el aparato, el cable o el enchufe en agua u otros líquidos.
- Es necesaria una estrecha supervisión cuando cualquier aparato sea utilizado por niños o cerca de ellos.
- Desconéctelo del tomacorriente cuando no esté en uso, antes de colocar o quitar piezas y antes de limpiarlo.
- Evite el contacto con piezas móviles.
- No opere ningún electrodoméstico con un cable o enchufe dañado, o después de que el electrodoméstico no funcione correctamente o se haya caído o dañado de alguna manera.
- El uso de accesorios no recomendados o vendidos por el fabricante puede provocar incendios, descargas eléctricas o lesiones.
- No utilizar en exteriores.
- No deje que el cable cuelgue del borde de la mesa o mostrador, ni que toque superficies calientes.
- No lo coloque sobre o cerca de un quemador de gas o eléctrico caliente, ni dentro de un horno caliente.
- Antes de usar, verifique que no haya objetos extraños en el depósito de granos.
- Este aparato es sólo para uso doméstico.
Producto terminadoview y componentes
Familiarize yourself with the parts of your GRAEF CM502EU coffee grinder:
- Tolva de frijoles con tapa
- Grind Level Adjustment Ring
- Molinillo de muelas cónicas (interno)
- Quantity Selection Dial
- Botón de inicio
- Grinding Outlet
- Portafiltros
- Bandeja de goteo / Base
- Interruptor principal
- Cepillo de limpieza

Imagen: Explotó view showing the bean hopper, lid, grind adjustment ring, main unit, portafilter holder, drip tray, and cleaning brush.
Configuración
- Deshacer: Retire con cuidado todos los materiales de embalaje y asegúrese de que todos los componentes estén presentes.
- Limpio: Before first use, clean the bean hopper, lid, and drip tray with warm soapy water. Rinse thoroughly and dry completely. The grinding burrs should be cleaned with the provided brush.
- Armar: Place the drip tray onto the base unit. Insert the bean hopper onto the top of the grinder and turn it clockwise until it locks into place.
- Llenar tolva: Fill the bean hopper with whole coffee beans. Do not overfill. Secure the lid.
- Conecte la electricidad: Conecte el cable de alimentación a una toma eléctrica adecuada (230 V).
Instrucciones de funcionamiento
1. Ajuste del nivel de molienda
The grinder offers 140 individual grind settings, from very fine for espresso to coarse for French press. To adjust the grind level:
- Ensure the grinder is off and unplugged.
- Rotate the grind level adjustment ring located below the bean hopper.
- Turn towards the smaller numbers for a finer grind (e.g., espresso).
- Turn towards the larger numbers for a coarser grind (e.g., French press).

Imagen: The grind level adjustment ring with numerical markings, indicating finer to coarser settings.
2. Selecting Grinding Mode and Quantity
The grinder allows you to select between grinding into a filter basket or a portafilter, and to set the desired quantity.
- Interruptor principal: Locate the main power switch at the front base of the unit. Select the desired grinding mode:
- Filter Coffee Mode (left symbol): For grinding into a filter basket or a coffee container.
- OFF (middle position): Turns the grinder off.
- Espresso Portafilter Mode (right symbol): For grinding directly into an espresso portafilter.
- Quantity Selection: Use the quantity selection dial to choose the number of cups or shots you wish to grind. The dial typically has markings for 1, 2, 3, 4, etc.

Imagen: The main power switch with icons for filter coffee, off, and espresso portafilter modes.

Imagen: Close-up of the quantity selection dial (numbered 0-4) and the start button.
3. Grinding into a Filter Basket or Container
- Set the main power switch to the filter coffee mode (left symbol).
- Place your coffee filter basket or a suitable container directly under the grinding outlet.
- Press the start button to begin grinding. The grinder will automatically stop once the selected quantity is dispensed.

Imagen: The coffee grinder dispensing freshly ground coffee into a filter basket held by hand.
4. Grinding into an Espresso Portafilter
- Set the main power switch to the espresso portafilter mode (right symbol).
- Attach the portafilter holder to the grinder's outlet.
- Insert your espresso portafilter into the holder.
- Press the start button to begin grinding. The grinder will automatically stop once the selected quantity is dispensed.

Imagen: The coffee grinder dispensing freshly ground coffee directly into an espresso portafilter held in place.
Mantenimiento y limpieza
La limpieza regular garantiza un rendimiento óptimo y prolonga la vida útil del molinillo. Desenchufe siempre el molinillo antes de limpiarlo.
- Tolva vacía: Retire los granos de café restantes de la tolva.
- Desmontar: Remove the bean hopper by turning it counter-clockwise and lifting it off. Remove the drip tray and portafilter holder.
- Limpiar rebabas: Use the provided cleaning brush to remove any ground coffee residue from the conical burrs. Pay special attention to the upper and lower burrs.
- Clean Hopper and Accessories: Wash the bean hopper, lid, drip tray, and portafilter holder with warm, soapy water. Rinse thoroughly and dry completely before reassembling.
- Limpiar el exterior: Limpie el exterior del molinillo con publicidad.amp Paño. No utilice limpiadores abrasivos ni sumerja la unidad principal en agua.
- Volver a montar: Reassemble all parts only when completely dry.

Imagen: The Graef CM502EU coffee grinder with its removable components laid out for cleaning, including the bean hopper, lid, drip tray, portafilter holder, and cleaning brush.
Solución de problemas
| Problema | Posible causa | Solución |
|---|---|---|
| La amoladora no arranca. | Not plugged in; Main switch off; Hopper not correctly seated. | Ensure power cord is securely plugged in. Turn main switch to desired grinding mode. Ensure bean hopper is locked into place. |
| No coffee is dispensed or grinding is slow. | Bean hopper empty; Grinding burrs clogged with old coffee grounds. | Refill bean hopper. Clean the grinding burrs thoroughly as per the "Maintenance and Cleaning" section. |
| Ground coffee is too coarse/fine. | Grind level setting is incorrect for desired brewing method. | Adjust the grind level adjustment ring to a finer or coarser setting as needed. Refer to "Adjusting Grind Level". |
| La amoladora hace un ruido inusual. | Foreign object in burrs; Burrs are worn. | Unplug and carefully inspect burrs for foreign objects. If noise persists, contact customer support. |
Especificaciones técnicas
| Marca | CONTAR |
| Número de modelo | CM502EU |
| Color | Negro |
| Dimensiones (L x An x Al) | 20.5 x 13.6 x 20.5 cm |
| Fuerza | 135 vatios |
| Volumentage | 230.0 V |
| Material | Acero inoxidable |
| Peso del artículo | 2.1 kilogramos |
| Ajustes de molienda | 140 levels (fine to coarse) |
| Capacidad de la tolva de frijoles | 300 gramos |
Garantía y atención al cliente
For warranty information and customer support, please refer to the documentation included with your purchase or visit the official GRAEF webSitio. Conserve su comprobante de compra para cualquier reclamación de garantía.