Introducció
This manual provides detailed instructions for the safe and efficient operation, maintenance, and troubleshooting of your Gastroback 42709 Design Espresso Pro Machine. Please read all instructions carefully before using the appliance and retain this manual for future reference.
The Gastroback 42709 is designed for preparing espresso, cappuccino, latte macchiato, and other coffee specialties. It features a professional ULKA espresso pump with 15 bar pressure, a thermoblock heating system for quick use, and a rotating milk frothing nozzle.
Instruccions importants de seguretat
- Assegureu-vos sempre que l'aparell estigui col·locat sobre una superfície estable, plana i resistent a la calor.
- No submergiu l'aparell, el cable d'alimentació ni l'endoll en aigua ni en altres líquids.
- Mantingueu els nens i les persones no autoritzades allunyats de l'aparell durant el funcionament.
- Desendolleu l'aparell de la presa de corrent abans de netejar-lo i quan no l'utilitzeu.
- No feu servir l'aparell amb un cable o un endoll danyats, o després que l'aparell funcioni malament o s'hagi fet malbé de cap manera.
- Utilitzeu només accessoris i peces de recanvi originals.
- Hot surfaces: Avoid contact with hot parts of the machine, such as the brewing head, portafilter, and steam wand, during and immediately after operation.
- Steam hazard: Be cautious when using the steam wand as hot steam can cause burns.
Components del producte
Familiarize yourself with the various parts of your espresso machine.
- Dipòsit d'aigua: Extraïble, capacitat d'1.5 litres.
- Plat escalfador de tasses: Situat a la part superior de la màquina.
- Tauler de control: Power button, espresso brewing button, steam function button.
- Portafiltre: Heavy stainless steel portafilter.
- Filter Inserts: Stainless steel filters for 1 cup, 2 cups, and E.S.E. pads.
- Steam Wand/Milk Frothing Nozzle: Rotatable for frothing milk and dispensing hot water.
- Safata de degoteig: Extraïble per a una fàcil neteja.
- Cullera mesuradora amb Tamper: For dosing and tampprenent cafè mòlt.
- Stainless Steel Milk Frothing Jug: Included accessory.

Imatge: Frontal view of the Gastroback 42709 Design Espresso Pro Machine, showcasinel seu acabat d'acer inoxidable i el panell de control.
Configuració i primer ús
- Desembalatge: Carefully remove all packaging materials. Check that all accessories are present.
- Neteja inicial: Before first use, clean the water tank, portafilter, and filter inserts with warm water and a mild detergent. Rinse thoroughly. Wipe the exterior of the machine with a damp tela.
- Omplir el dipòsit d'aigua: Remove the water tank from the back of the machine. Fill it with fresh, cold water up to the MAX mark. Replace the water tank securely.
- Preparació del sistema:
- Connecteu la màquina a una presa de corrent amb connexió a terra.
- Press the POWER button. The indicator light will flash as the machine heats up.
- Once the light stops flashing and remains steady, the machine is ready.
- Place a cup under the steam wand. Turn the steam/hot water knob to the hot water position to dispense about 100ml of hot water. This primes the pump and heating system.
- Turn the knob back to the closed position. The machine is now ready for use.

Image: Close-up of the removable water tank with its lid open, showing the MAX fill line.
Instruccions de funcionament
Elaboració d'espresso
- Prepareu el portafiltre: Inseriu el filtre desitjat (d'1 tassa o de 2 tasses) al portafiltre.
- Afegir cafè mòlt: Fill the filter with finely ground espresso coffee. Use the measuring spoon provided. For a single espresso, use one level spoon; for a double, use two.
- Tamp el cafè: Utilitzeu la tampl'extrem de la cullera mesuradora per prémer fermament el cafè mòlt. Assegureu-vos que la superfície estigui anivellada.
- Connecteu el portafiltre: Align the portafilter with the brewing head and insert it. Turn it firmly to the right until it is securely locked.
- Elaboració d'espresso: Place one or two pre-warmed espresso cups under the portafilter spouts. Press the ESPRESSO button. The machine will start brewing. Press the button again to stop brewing when the desired amount of espresso is reached.

Image: Stainless steel portafilter with various filter inserts for single, double espresso, and E.S.E. pads, alongside a measuring spoon.

Image: A hand using the measuring spoon to scoop ground coffee into the portafilter.

Image: A hand firmly tamping ground coffee in the portafilter using the integrated tampeh.

Image: A hand attaching the portafilter to the brewing head of the espresso machine.
Using E.S.E. Pads
- Insert the E.S.E. pad filter into the portafilter.
- Place one E.S.E. pad into the filter.
- Follow steps 4 and 5 from "Making Espresso" to brew.

Image: A single E.S.E. (Easy Serving Espresso) pad next to its dedicated filter insert.
Escumant de llet
- Fill the stainless steel milk frothing jug with cold milk (approximately 1/3 full).
- Press the STEAM button. The indicator light will flash as the machine heats up to steam temperature. Once steady, the machine is ready for steaming.
- Col·loca la vareta de vapor a la llet, just per sota de la superfície.
- Turn the steam/hot water knob to the steam position. Steam will be released.
- Move the jug slowly up and down to create foam. Once the desired texture and temperature are reached, turn the knob back to the closed position.
- Immediately after frothing, clean the steam wand by wiping it with a damp tela i alliberar breumentasing steam into an empty cup to clear any milk residue.

Image: A hand frothing milk in a stainless steel jug using the steam wand of the espresso machine.
Funció d'aigua calenta
- Ensure the machine is heated (POWER light steady).
- Col·loqueu una tassa sota la vareta de vapor.
- Turn the steam/hot water knob to the hot water position to dispense hot water. Turn it back to close when done.
Neteja i Manteniment
Regular cleaning ensures optimal performance and extends the lifespan of your espresso machine. Always unplug the machine and allow it to cool before cleaning.
- Safata de degoteig: Buida i neteja la safata de degoteig regularment. És extraïble per facilitar-ne l'accés.
- Dipòsit d'aigua: Clean the water tank weekly with warm water and a mild detergent. Rinse thoroughly to prevent mineral buildup.
- Portafiltres i filtres: After each use, remove the spent coffee grounds and rinse the portafilter and filter inserts under running water. Use a brush to remove any coffee residue.
- Cap de cervesa: Netegeu el capçal de la infusió amb anunciamp cloth after each use to remove any coffee grounds.
- Vareta de vapor: As mentioned in the operating section, clean the steam wand immediately after each use to prevent milk residue from drying and blocking the nozzle.
- Descalcificació: Depending on water hardness and frequency of use, descaling should be performed every 2-3 months. Use a suitable descaling solution for espresso machines and follow the manufacturer's instructions for the descaler.
- Exterior: Netegeu l'exterior de la màquina amb un damp tela. No utilitzeu netejadors abrasius ni fregalls.
Resolució de problemes
| Problema | Causa possible | Solució |
|---|---|---|
| No es dispensa cafè. | No water in tank; machine not primed; portafilter not correctly inserted; coffee too finely ground/tamped massa dur. | Fill water tank; prime the machine; re-insert portafilter correctly; use coarser grind or less pressure when tamping. |
| El cafè es prepara massa lentament o goteja. | Coffee too finely ground; too much coffee in filter; coffee tampmassa fort; cal descalcificar la màquina. | Use coarser grind; reduce coffee quantity; tamp menys fermament; descalcifiqueu la màquina. |
| Coffee brews too quickly, weak coffee. | Coffee too coarsely ground; too little coffee in filter; coffee tamped massa lleuger. | Utilitzeu una mòlta més fina; augmenteu la quantitat de cafè; tamp amb més fermesa. |
| No surt vapor de la lança de vapor. | Steam button not pressed; steam wand blocked; machine not at steam temperature. | Press STEAM button; clean steam wand nozzle; wait for steam indicator light to become steady. |
| Fuites d'aigua de la màquina. | Water tank not correctly seated; drip tray full; portafilter not correctly inserted. | Ensure water tank is secure; empty drip tray; re-insert portafilter correctly. If problem persists, contact customer support. |
Especificacions tècniques
| Característica | Detall |
|---|---|
| Marca | Gastroback |
| Número de model | 42709 |
| Color | Silver/Stainless Steel |
| Dimensions (L x A x A) | 27.4 x 24 x 31.8 cm |
| Pes | 5.81 quilos |
| Capacitat (dipòsit d'aigua) | 1.5 litres |
| Poder | 1000 watts |
| Material | Acer inoxidable |
| Pressió de la bomba | 15 bar (ULKA professional pump) |
| Sistema de calefacció | Termobloc |
| Característiques especials | E.S.E. Pad compatibility, heavy stainless steel portafilter, rotating milk frothing nozzle. |
Garantia i assistència al client
Your Gastroback 42709 Design Espresso Pro Machine comes with a manufacturer's warranty. Please refer to the warranty card included with your product for specific terms and conditions, including the warranty period and coverage details.
For technical assistance, spare parts, or service inquiries, please contact Gastroback customer support. Contact information can typically be found on the manufacturer's official weblloc web o a l'embalatge del producte.
Note: Information regarding spare parts availability was not provided in the product data.





