1. Introduction
This manual provides comprehensive instructions for the safe and efficient operation, maintenance, and troubleshooting of your Bosch Series 2 TIE20301 fully automatic coffee machine. Please read all instructions carefully before initial use and retain this manual for future reference.
The Bosch Series 2 TIE20301 is designed to deliver a variety of coffee beverages, including espresso, cappuccino, and latte macchiato, with a simple touch. Its innovative SensoFlow System ensures an ideal and constant brewing temperature for optimal aroma extraction.

Image 1.1: The Bosch Series 2 TIE20301 fully automatic coffee machine, showcasing its sleek design and two cups of espresso.
2. Safety Instructions
Always observe the following safety precautions to prevent personal injury or damage to the appliance:
- Connect the appliance only to a properly installed and earthed socket. Ensure the mains voltage matches the rating on the appliance's type plate.
- Do not immerse the appliance, power cord, or plug in water or other liquids.
- Keep children away from the appliance. Hot steam and hot water can cause burns.
- Never operate the appliance if the power cord is damaged, or if the appliance itself is damaged or has fallen. Contact customer service for repairs.
- Only use fresh, cold water in the water tank. Do not use carbonated water or other liquids.
- Unplug the appliance before cleaning or if it will not be used for an extended period.
3. Product Overview
Familiarize yourself with the components of your coffee machine:
- Control Panel: Intuitive interface for selecting beverages and functions.
- Bean Container: For whole coffee beans.
- Water Tank: Removable for easy filling.
- Coffee Spout: Adjustable height for various cup sizes.
- Milk Frother (Milk Magic Pro): Integrated system for milk-based drinks.
- Drip Tray & Coffee Grounds Container: Collects excess liquid and spent coffee grounds.
- Brewing Unit: Removable for thorough cleaning.

Image 3.1: Close-up view of the control panel, showing beverage selection options and status indicators.
4. Setup and First Use
4.1 Unpacking and Initial Cleaning
- Remove all packaging materials.
- Clean the water tank, drip tray, and coffee grounds container with warm water and a mild detergent. Rinse thoroughly.
- Wipe the exterior of the machine with a damp cloth.
4.2 Filling the Water Tank
- Remove the water tank from the side of the machine.
- Fill the tank with fresh, cold tap water up to the 'MAX' mark.
- Reinsert the water tank securely into the machine.
4.3 Filling the Bean Container
- Open the lid of the bean container located on top of the machine.
- Pour whole coffee beans into the container. Do not fill above the 'MAX' level.
- Close the lid firmly.

Image 4.1: A hand pouring whole coffee beans into the machine's bean container.
4.4 Initial Rinse Cycle
Before making your first coffee, perform an initial rinse cycle:
- Place a large container under the coffee spout.
- Switch on the machine. It will automatically perform a rinse cycle.
- Discard the water collected in the container. Your machine is now ready for use.
5. Operating Instructions
5.1 Making Espresso or Coffee
- Ensure the water tank is filled and the bean container has sufficient beans.
- Place a cup under the coffee spout.
- Press the 'Espresso' or 'Coffee' button on the control panel.
- The machine will grind the beans, brew, and dispense your selected beverage.

Image 5.1: The coffee machine brewing various coffee beverages, including espresso and milk-based drinks.
5.2 Making Cappuccino or Latte Macchiato (Milk Magic Pro)
- Fill a cup with the desired amount of cold milk.
- Place the cup under the milk frother and coffee spout.
- Press the 'Cappuccino' or 'Latte Macchiato' button on the control panel.
- The machine will automatically froth the milk and then add the espresso.

Image 5.2: A hand operating the milk frother to prepare a milk-based coffee drink.
6. Maintenance and Cleaning
Regular cleaning and maintenance ensure optimal performance and longevity of your coffee machine.
6.1 Daily Cleaning
- Empty and rinse the drip tray and coffee grounds container daily. These parts are dishwasher-proof.
- Wipe the coffee spout and milk frother with a damp cloth after each use.

Image 6.1: A hand placing a removable part of the coffee machine into a dishwasher rack, illustrating dishwasher-safe components.
6.2 Cleaning the Brewing Unit
The brewing unit should be cleaned regularly, typically once a week, or when prompted by the machine.
- Switch off the machine and unplug it.
- Open the service door on the front of the appliance.
- Press the red release button and carefully remove the brewing unit.
- Rinse the brewing unit thoroughly under running water until no coffee residues are visible.
- Allow the brewing unit to air dry before reinserting it.

Image 6.2: A multi-panel image demonstrating the removal and cleaning process of the brewing unit under running water.
6.3 Calc'nClean Program
The machine features an automatic Calc'nClean program for descaling and cleaning. Follow the on-screen prompts when the 'Calc'nClean' indicator illuminates. This process typically involves using a descaling tablet and a cleaning tablet (not included) and takes approximately 30-45 minutes.
7. Troubleshooting
This section addresses common issues you might encounter with your coffee machine.
| Problem | Possible Cause | Solution |
|---|---|---|
| No coffee is dispensed. | Water tank empty or brewing unit blocked. | Fill water tank. Clean brewing unit. |
| Coffee is too weak. | Insufficient coffee beans or grind setting too coarse. | Fill bean container. Adjust grind setting to finer. |
| Milk is not frothing properly. | Milk frother dirty or milk not cold enough. | Clean milk frother. Use cold milk. |
| 'Calc'nClean' indicator is on. | Machine requires descaling and cleaning. | Run the Calc'nClean program. |
If the problem persists after attempting these solutions, please refer to the warranty and support section for further assistance.
8. Specifications
- Brand: BOSCH
- Model Number: TIE20301 (also referred to as TIG20301)
- Pump Pressure: 15.0 bar
- Water Tank Capacity: 1.4 Liters
- Bean Container Capacity: 250 g
- Power / Wattage: 1300 watts
- Voltage: 220.0 V
- Material: Ceramic (grinder)
- Product Dimensions (D x W x H): 42 x 24.7 x 37.8 cm
- Item Weight: 249 g
- Special Features: Auto Shut-Off, OneTouch Function, SensoFlow System, Milk Magic Pro, Removable Brewing Unit, Calc'nClean

Image 8.1: The Bosch TIE20301 coffee machine with key dimensions indicated.
9. Warranty and Support
Your Bosch Series 2 TIE20301 coffee machine comes with a 2-year warranty from the date of purchase. This warranty covers manufacturing defects and ensures the proper functioning of the appliance under normal use conditions.
For warranty claims, technical support, or service inquiries, please contact your local Bosch customer service center or the retailer from whom you purchased the product. Please have your proof of purchase and the model number (TIE20301) available when contacting support.
Country of Origin: Slovenia.