Introducció
This manual provides essential information for the safe and efficient operation of your Bosch OptiMUM 1500W Kitchen Machine, model MUM9YX5S12. Please read all instructions carefully before first use and keep this manual for future reference. The OptiMUM kitchen machine is designed for various food preparation tasks, including mixing, kneading, whisking, and blending.

Figure 1: Bosch OptiMUM 1500W Kitchen Machine with bowl and attachments.
Instruccions de seguretat
AVÍS: Si no es segueixen aquestes instruccions de seguretat, es poden produir descàrregues elèctriques, incendis o lesions greus.
- Llegiu totes les instruccions abans d’utilitzar l’aparell.
- Mantingueu l'aparell i el cable fora de l'abast dels nens.
- No submergiu la unitat del motor en aigua o altres líquids.
- Desendolleu sempre l'aparell de la presa de corrent abans de netejar, muntar o desmuntar peces.
- Avoid contact with moving parts. Ensure the appliance is switched off and attachments have stopped completely before touching them.
- Use only original Bosch accessories and attachments. Using non-recommended attachments may cause fire, electric shock, or injury.
- No feu servir cap aparell amb un cable o un endoll danyats, o després que l'aparell funcioni malament o s'hagi caigut o s'hagi danyat de cap manera.
- Col·loqueu l'aparell sobre una superfície estable, plana i seca durant el funcionament.
- Do not overload the appliance. Refer to the 'Operating Instructions' for maximum capacities.
- Ensure the splash guard is correctly fitted when operating with liquid ingredients.
Contingut del paquet
Verifiqueu que tots els elements siguin presents al paquet:
- Bosch OptiMUM Kitchen Machine (Motor Unit)
- 5.5-liter Stainless Steel Mixing Bowl
- Professional Pastry Set:
- Whisk (for light mixtures)
- Stirring Whisk (for medium mixtures)
- Kneading Hook (for heavy doughs)
- ThermoSafe Glass Blender
- Splash Guard with Filling Opening
- Manual d'instruccions
Configuració
Follow these steps to set up your Bosch OptiMUM Kitchen Machine:
- Desembaleu l'aparell: Traieu amb cura tots els components de l'embalatge. Conserveu l'embalatge per a futurs transports o emmagatzematges.
- Components nets: Before first use, clean all parts that will come into contact with food. Refer to the 'Cleaning and Maintenance' section.
- Posicionar la màquina: Place the motor unit on a clean, stable, and dry surface. Ensure adequate ventilation around the appliance.
- Attach the Mixing Bowl: Place the 5.5-liter stainless steel mixing bowl onto the base of the machine and turn it clockwise until it locks securely into place.
- Install Attachments:

Figure 2: Attaching a mixing tool to the planetary gear.
- Lift the appliance arm by pressing the release button.
- Select the desired pastry tool (whisk, stirring whisk, or kneading hook).
- Align the tool with the planetary gear and push it upwards until it clicks into place.
- Lower the appliance arm until it locks.
- Install Blender (Optional):

Figure 3: Attaching the ThermoSafe glass blender.
- Ensure the blender jug is assembled correctly with the blade unit and lid.
- Place the blender jug onto the designated drive on the top of the machine and turn it until it locks.
- Connecteu-vos a l'alimentació: Connecteu el cable d'alimentació a una presa de corrent amb connexió a terra (230 V).
Instruccions de funcionament
Your OptiMUM kitchen machine features a powerful 1500W motor, 7 speed settings, and SensorControl Plus for optimal results.

Figure 4: Control panel with timer and speed settings.
Funcionament general
- Afegir ingredients: Place ingredients into the mixing bowl or blender jug. For the mixing bowl, you can use the integrated scale to weigh ingredients directly.
- Seleccioneu la velocitat: Use the rotary knob to select one of the 7 speed settings. Start with a low speed and gradually increase as needed.
- Inici/Parada: Press the ON/OFF button to start or stop the machine.
- Funció de temporitzador: Use the timer function to set a specific operating duration. The machine will stop automatically once the time elapses.
- SensorControl Plus: For certain preparations (e.g., whipping cream, egg whites, kneading dough), the SensorControl Plus program can automatically detect when the optimal consistency is reached and stop the machine.
Using Pastry Tools (Mixing, Kneading, Whisking)
- Ensure the correct pastry tool is attached for your recipe (whisk for light mixtures, stirring whisk for medium, kneading hook for heavy doughs).
- Add ingredients to the 5.5-liter stainless steel bowl.
- Lower the appliance arm.
- Select the appropriate speed. For kneading dough, start at a low speed (1-2) and gradually increase to medium (3-4).

Figure 5: Stainless steel mixing bowl with dough being kneaded.
- The 3D PlanetaryMixing system ensures thorough blending of ingredients, reaching all areas of the bowl.
- After use, switch off the machine, unplug it, and remove the tool and bowl.
Using the ThermoSafe Glass Blender
- Ensure the blender jug is securely attached to the motor unit.
- Afegiu els ingredients al recipient de la batedora. No supereu la línia d'ompliment màxim.
- Tanqueu la tapa fermament.
- Select a suitable speed for blending. For crushing ice or tough ingredients, use the pulse function or higher speeds.
- After blending, switch off the machine, unplug it, and carefully remove the blender jug.
Neteja i Manteniment
Regular cleaning ensures the longevity and hygiene of your kitchen machine.
Neteja general
- Desconnecteu sempre l'aparell abans de netejar-lo.
- Netegeu la unitat del motor amb l'anunciamp tela. No el submergiu en aigua.
- Clean attachments and bowls immediately after use to prevent food residue from drying.
Peces aptes per a rentavaixelles
Les peces següents són aptes per al rentavaixelles:
| Component | Apte per a rentavaixelles |
|---|---|
| Bol de mescla d'acer inoxidable | Sí |
| Batre | Sí |
| batedora de batedor | Sí |
| Ganxo de pastar | Sí |
| ThermoSafe Glass Blender Jug (without blade unit) | Sí |
| Guàrdia Splash | Sí |
For parts not listed as dishwasher safe, wash by hand with warm soapy water and a soft cloth. Rinse thoroughly and dry immediately.
Resolució de problemes
If you encounter issues with your kitchen machine, refer to the table below for common problems and solutions.
| Problema | Causa possible | Solució |
|---|---|---|
| La màquina no arrenca | Not plugged in; appliance arm not locked; bowl/blender not locked; safety switch activated. | Check power connection; ensure appliance arm is fully lowered and locked; ensure bowl/blender is correctly seated and locked; check for overload. |
| El motor s'atura durant el funcionament | Protecció de sobrecàrrega activada; interrupció del corrent. | Reduce ingredients; switch off, unplug, wait a few minutes, then restart; check power supply. |
| Attachments not mixing thoroughly | Incorrect attachment for mixture; too little/too much ingredient. | Ensure correct pastry tool is used; adjust ingredient quantities according to recipe; utilize 3D PlanetaryMixing. |
| Fuites de la batedora | Blender jug not assembled correctly; lid not secured. | Ensure blade unit is tightly screwed onto the jug; secure the lid firmly before operation. |
Si el problema persisteix després de provar aquestes solucions, poseu-vos en contacte amb el servei d'atenció al client de Bosch.
Especificacions
Technical details for the Bosch OptiMUM 1500W Kitchen Machine:
| Característica | Detall |
|---|---|
| Número de model | MUM9YX5S12 |
| Poder | 1500 watts |
| Voltage | 230 Volts |
| Nombre de velocitats | 7 |
| Capacitat del bol | 5.5 litres |
| Dimensions (L x A x A) | 50 x 50 x 28 cm |
| Pes | 14.5 quilos |
| Material de la fulla | Acer inoxidable |
| Característiques especials | Integrated scale, SensorControl Plus, 3D PlanetaryMixing, Timer |
| Peces aptes per a rentavaixelles | Bowl, pastry tools, blender jug (without blade unit), splash guard |
| País d'origen | Eslovènia |
Garantia i Suport
Your Bosch OptiMUM Kitchen Machine comes with a manufacturer's warranty. Please refer to the warranty card included in your original packaging for specific terms and conditions, including warranty period and coverage details.
For technical assistance, spare parts, or service, please contact Bosch customer support. You can find contact information on the official Bosch weblloc web o a la documentació de la garantia.
When contacting support, please have your model number (MUM9YX5S12) and serial number ready. The serial number is typically located on a label on the underside of the appliance.