This document is an instruction manual for the CM5418-UL espresso machine, a device designed for brewing coffee and frothing milk. The manual provides comprehensive information on its operation, maintenance, and safety precautions.
Function Description
The CM5418-UL is a versatile coffee machine capable of brewing espresso and frothing milk for various coffee beverages. It features a single-cup and double-cup brewing option, a steam wand for frothing milk, and a hot water function. The machine is designed for household use and emphasizes ease of operation and maintenance.
Important Technical Specifications
The manual does not explicitly list technical specifications like power consumption, voltage, or dimensions. However, it implies certain operational parameters:
- Water Tank Capacity: The maximum water level in the tank is crucial for operation.
- Coffee Powder Capacity: The portafilter is designed to hold a specific amount of coffee powder for single and double shots (e.g., 100 grams for a full pitcher of milk, suggesting a certain capacity for coffee grounds).
- Brewing Temperature: The machine preheats to an optimal temperature for brewing espresso and steaming milk.
- Pressure: The machine operates with sufficient pressure to extract espresso and create steam for frothing.
Usage Features
The CM5418-UL offers several user-friendly features:
Pre-heating and Preparation:
- Water Tank Filling: The water tank is filled from the top, ensuring the water level does not exceed the maximum.
- Portafilter and Filter Installation: The portafilter and filter are installed securely into the appliance.
- Coffee Powder Loading: Coffee powder is added to the filter, and the portafilter is then locked into the "LOCK" position.
- Cup Placement: A cup is placed on the drip plate.
- Power On: The appliance is powered on using the power button, indicated by an illuminated indicator.
- Preheating: The machine automatically preheats, with indicators showing when it's ready for brewing.
Making Espresso Coffee:
- Portafilter Installation: The portafilter with coffee powder is locked into the "LOCK" position.
- Cup Placement: A cup is placed on the drip plate.
- Brewing Selection: Users can select single or double-cup brewing.
- Automatic Stop: The appliance automatically stops dispensing after the right amount of espresso.
- Portafilter Removal: After brewing, the portafilter is removed, and the used coffee powder is poured out.
Frothing Milk/Making Hot Water:
- Preheating: The machine preheats for steaming, indicated by a steady light.
- Milk Preparation: A pitcher with 100 grams of milk is recommended for frothing. The pitcher size should be at least 70x5mm, allowing for a volume increase of 2 times after frothing.
- Steam Wand Operation: The steam wand is immersed into the milk, and the steam button is pressed to initiate steaming. The knob is turned to the " " position to release steam.
- Hot Water Function: The hot water function is activated by pressing the steam button and turning the knob to the " " position.
Automatic Power-Off:
- The machine automatically powers off after 29 minutes of inactivity.
- The steam function automatically turns off after 180s of inactivity.
- The hot water function automatically turns off after 215ml water has been dispensed.
Maintenance Features
The manual provides detailed instructions for cleaning and descaling to ensure the longevity and optimal performance of the CM5418-UL.
Clean and Maintenance:
- Power Off and Cool Down: Always shut off the power and let the machine cool down completely before cleaning.
- External Cleaning: The espresso machine, water tank, drip tray, and drip plate should be cleaned with a sponge and dry after each use. Avoid using alcohol or solvent cleaner.
- Portafilter Cleaning: The portafilter filter should be removed and rinsed with water. The portafilter is not dishwasher safe.
- General Cleaning: All attachments and the drip tray should be cleaned.
Clean Limescale (Descaling):
- Frequency: Descaling is recommended every 500 cycles or when the descaling warning indicator flashes 5 times.
- Preparation: Fill the water tank with water and descaler (citric acid is recommended, 100 parts of water to 3 parts of citric acid).
- Descaling Process:
- Place a large container under the portafilter and steam wand.
- Press and hold the "Single-cup" button and "Steam" button for 3 seconds to enter descaling mode.
- The machine will automatically begin the descaling process, indicated by flashing lights.
- The process involves dispensing descaling solution through the portafilter and steam wand in intervals.
- The descaling process takes approximately 5 minutes.
- Rinsing: After descaling, rinse the water tank and fill it with fresh water. Repeat the descaling process with fresh water 3 times to thoroughly rinse the machine.
- Exit Descaling Mode: Press and hold the "Single-cup" button and "Steam" button for 3 seconds to exit descaling mode.
Troubleshooting:
The manual includes a troubleshooting section with common symptoms, causes, and solutions, such as:
- Water leaks from the bottom: Caused by a damaged water pipe or loose outer side of the filter. Solutions include contacting Intertek for replacement or tightening the filter.
- Acid taste in espresso: Caused by not cleaning properly after use. Solution: Clean the machine several times before use.
- Coffee powder stored in a hot or wet place: Causes the coffee powder to clump. Solution: Use fresh coffee powder, sealed and stored in a cool and dry place.
- Espresso machine not working: Caused by the espresso machine not plugged in or malfunctioning. Solutions: Plug in the power cord or contact Intertek.
- Milk cannot be frothed: Caused by the indicator not being on, container being too big or hot, or using skimmed milk or plant milk. Solutions: Turn on the knob, use a professional milk frothing pitcher, or use whole milk (butterfat >3%).
- Single-cup indicator and double-cup indicator flash quickly: Caused by the knob not being turned off or the knob not reset after cooling down. Solutions: Turn the knob off or reset the knob.
- Steam indicator flash quickly: Caused by the boiler temperature being too high. Solution: Turn the knob to the " " position and start cooling operation.
- Single-cup indicator, double-cup indicator, and steam indicator flash quickly: Caused by the machine being on but the knob not turned off. Solution: Turn the knob to "OFF" position.
- ALL indicator flash at the same time for 5 times: Indicates a need for descaling. Solution: Refer to "CLEAN LIMESCALE" instructions.
The manual also emphasizes important safety rules, including proper grounding, avoiding electrical shock, not immersing the cord or plug in water, not using damaged cords or plugs, and keeping the appliance away from children. It also advises against using the appliance for unconventional purposes.
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