1. Introduction
Thank you for choosing the Buffalo CW306 Airpot Filter Coffee Machine. This manual provides essential information for the safe and efficient operation of your new coffee machine. Please read these instructions thoroughly before use and retain them for future reference.
The Buffalo CW306 is designed for commercial use, offering a robust stainless steel construction and the ability to brew 2 liters of coffee in under 6 minutes. It features a brewing in progress indicator for convenience.
Image 1.1: The Buffalo CW306 Airpot Filter Coffee Machine with its accompanying airpot and two cups of coffee.
2. Important Safety Instructions
WARNING: Failure to follow these safety instructions may result in fire, electric shock, or personal injury.
- Read all instructions before using the appliance.
- Do not touch hot surfaces. Use handles or knobs.
- To protect against fire, electric shock, and injury to persons, do not immerse cord, plugs, or appliance in water or other liquid.
- Close supervision is necessary when any appliance is used by or near children.
- Unplug from outlet when not in use and before cleaning. Allow to cool before putting on or taking off parts, and before cleaning 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.
- The use of accessory attachments not recommended by the appliance manufacturer may result in fire, electric shock, or injury to persons.
- Do not use outdoors.
- Do not let cord hang over edge of table or counter, or touch hot surfaces.
- Do not place on or near a hot gas or electric burner, or in a heated oven.
- Always use cold water to brew coffee.
- Do not overfill the water reservoir.
- Use caution, the coffee maker housing may become hot while in use.
3. Setup and First Use
- Unpacking: Carefully remove the coffee machine and all accessories from the packaging. Retain packaging for future transport or storage.
- Placement: Place the coffee machine on a stable, level, heat-resistant surface, away from walls or other appliances to allow for proper ventilation. Ensure it is near a suitable power outlet.
- Initial Cleaning: Before first use, clean the airpot, brew basket, and any removable parts with warm, soapy water. Rinse thoroughly and dry. Wipe the exterior of the coffee machine with a damp cloth.
- First Brew Cycle (Cleaning): To clean the internal components, fill the water reservoir with cold water. Do not add coffee grounds. Place the empty airpot on the warming plate. Run a full brew cycle. Discard the hot water. Repeat this process once more.
Image 3.1: The power button and 'Autofill coffee system' label located at the base of the coffee machine.
4. Operating Instructions
Follow these steps to brew coffee with your Buffalo CW306 Airpot Filter Coffee Machine:
- Prepare the Airpot: Ensure the airpot is clean and empty. Place it securely on the coffee machine's warming plate.
- Insert Filter: Make sure the brew basket filter paper support is in place. Before placing the filter, ensure the brew basket is clean. Insert a new filter paper into the brew basket.
- Add Coffee Grounds: Add the desired amount of ground coffee to the filter paper in the brew basket.
- Fill Water Reservoir: Always use cold water to brew coffee. Fill the water reservoir to the desired level, ensuring not to overfill.
- Start Brewing: Ensure the airpot is correctly positioned on the coffee maker. Turn the coffee maker 'ON' using the power switch. The 'Brew' indicator light will illuminate.
- Monitor Brewing: The machine will begin brewing. The 'Brewing in progress' indicator will show when coffee is being made. The machine can prepare 2 liters of coffee in less than 6 minutes.
- After Brewing: Once brewing is complete, the coffee will drip into the airpot. The 'Brew' indicator light may turn off or change color depending on the model.
- Serving: The airpot is designed to keep coffee hot. To dispense, press the lever on the airpot lid.
Image 4.1: The Buffalo CW306 Airpot, designed to keep coffee hot.
Image 4.2: The top section of the coffee machine, where the brew basket and filter are placed.
Image 4.3: The airpot with its lid open, showing the internal mechanism for dispensing coffee.
Important Notes:
- Turn the upper hot plate 'OFF' when not in use.
- Do not leave an empty glass jug (if applicable to other models) on a hot plate whilst it is hot. This model uses an airpot.
- Do not overfill the water reservoir or brew basket.
Image 4.4: A label on the coffee machine detailing brewing instructions and a caution regarding hot surfaces.
5. Cleaning and Maintenance
Regular cleaning and maintenance will ensure the longevity and optimal performance of your Buffalo CW306 coffee machine.
- Daily Cleaning:
- Unplug the appliance and allow it to cool completely before cleaning.
- Remove and discard the used coffee filter and grounds.
- Wash the brew basket and airpot with warm, soapy water. Rinse thoroughly and dry.
- Wipe the exterior of the coffee machine with a damp cloth. Do not use abrasive cleaners or scouring pads, as these can damage the stainless steel finish.
- Clean the drip tray regularly.
- Descaling:
- Over time, mineral deposits (limescale) can build up in your coffee machine, affecting performance and taste. Descale your machine regularly, depending on water hardness and usage.
- Use a commercial descaling solution designed for coffee machines, following the manufacturer's instructions. Alternatively, a solution of white vinegar and water (1:2 ratio) can be used.
- Run the descaling solution through a brew cycle (without coffee grounds).
- After descaling, run at least two full cycles with fresh cold water to rinse out any residual descaling solution.
Image 5.1: The removable drip tray and grate for easy cleaning.
6. Troubleshooting
If you encounter issues with your Buffalo CW306, refer to the following table for common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Coffee does not brew. | Machine not plugged in; Power switch off; Water reservoir empty; Brew basket clogged. | Ensure power cord is securely plugged in. Turn power switch ON. Fill water reservoir. Check brew basket for clogs and clean if necessary. |
| Coffee brews slowly. | Limescale buildup; Brew basket clogged; Incorrect grind size. | Descale the machine. Clean the brew basket. Use a medium-coarse grind suitable for filter coffee machines. |
| Coffee tastes weak. | Not enough coffee grounds; Water reservoir overfilled; Coffee too coarsely ground. | Increase amount of coffee grounds. Ensure water level is appropriate for desired strength. Use a finer grind. |
| Coffee overflows from brew basket. | Too much coffee grounds; Filter paper collapsed; Brew basket clogged. | Reduce coffee grounds. Ensure filter paper is properly seated. Clean brew basket. |
| Machine leaks. | Airpot not correctly positioned; Water reservoir overfilled; Component not properly assembled. | Ensure airpot is correctly placed. Do not overfill water reservoir. Check all removable parts are correctly assembled. |
If the problem persists after attempting these solutions, please contact customer support.
7. Product Specifications
| Feature | Detail |
|---|---|
| Brand | Buffalo |
| Model Number | CW306 |
| Color | Silver |
| Dimensions (L x W x H) | 20.5 x 20.5 x 20.5 cm |
| Weight | 7.4 Kilograms |
| Capacity | 2 Liters |
| Material | Stainless Steel |
| Special Feature | Airpot (Jug) |
| Coffee Maker Type | Electric Filter Coffee Machine |
| Country of Origin | United Kingdom |
8. Warranty and Support
Specific warranty information for the Buffalo CW306 Airpot Filter Coffee Machine is not provided in this manual. Please refer to the documentation included with your purchase or contact the retailer/manufacturer directly for warranty details and customer support.
For technical assistance or spare parts inquiries, please contact Buffalo customer service through their official website or the contact information provided at the point of purchase.
