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General| Brand | La San Marco |
|---|---|
| Model | 20/20 CLASSIC Series |
| Category | Coffee Maker |
| Language | English |
Guidance on manual usage and access to digital versions.
General safety guidelines for operating and maintaining the machine.
Safety precautions to be taken during the installation process.
Safety guidelines related to the operation and use of the coffee machine.
Guidelines for ambient temperature, water pressure, hardness, and noise levels.
Safety precautions to be followed during cleaning and maintenance operations.
Comparison of different models regarding brewing groups, steam wands, boiler capacity, weight, dimensions, and power.
Identification and description of the main components and controls of the coffee machine.
Schematic representation of the water flow and components within the coffee machine.
Explanation of the numbered components and symbols used in the water system diagram.
Instructions for connecting the machine to the water supply and drainage system.
Guidelines for installing and using an optional water softener for optimal machine performance.
Detailed instructions for connecting water inlet and outlet tubes for internal and external pumps.
Instructions on how to connect the drainage tube to the water drainage system.
Guidelines and safety precautions for connecting the machine to the electrical mains.
Instructions for connecting the machine to the equipotential clamp for electrical safety.
Step-by-step guide to filling the boiler with water for the initial start-up.
Details on the boiler filling process, including valve operations and indicator lights.
Procedure for adjusting the boiler water level probe to control the water quantity.
How to adjust the pump supply pressure to the optimal 9 bar for brewing.
How to adjust the boiler steam pressure by varying the temperature.
Method to adjust brewing temperature by regulating the flow variator valve.
Step-by-step guide to brewing espresso using programmed or manual doses.
Instructions on how to use the steam wand for frothing milk or heating liquids safely.
How to dispense hot water for beverages like tea or chamomile.
Procedure for activating the automatic washing cycle for coffee brewing groups.
How to activate and deactivate the preinfusion feature for coffee brewing.
Steps to program specific coffee dose quantities for each brewing group.
Method to program specific hot water dose quantities using the same procedure as coffee doses.
How to view the total and partial counts of brewed coffees using specific key combinations.
Daily cleaning procedure for brewing groups and portafilters.
Instructions for cleaning the cup support tray and grate.
Procedure for cleaning the steam wand after use.
Steps for changing the water inside the boiler for optimal quality.
Information about the safety thermostat and when it needs reset by a technician.
Explanation of the safety valve's function and what to do if it trips.
Solutions for boiler full of water and safety valve tripping issues.
Troubleshooting for the machine not warming up or heating elements not functioning.
Solutions for brewing groups not warming up, no water delivery, or clogged nozzles.
Troubleshooting for inconsistent programmed doses and programming errors.
Solutions for flow meter alarms and solenoid malfunctions.
Troubleshooting for automatic level and overfill alarms.
Solutions for electronic control failures and unintended water delivery.
Troubleshooting for dripping steam wands and hot water spouts.
Solutions for whistling noises and high pump pressure issues.
Solutions for portafilter unhooking and coffee spillage during brewing.
Troubleshooting for water leaking from the brewing group solenoid drain.
Solutions for light cream, fast flow, and dark cream, slow flow coffee.
Solutions for coffee grounds in the cup and thin cream.
Troubleshooting for long extraction times and high water temperature.
Solutions for depressions in coffee grounds due to partial clogging.
