La San Marco 20/20 CLASSIC Series, Use And Maintenance

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7.3 Brewed coffee count display
To view the total coffees brewed, turn the machine on by simultaneously pressing and holding keys ,
and of the second group’s keypad. When the keys , and of the first group light up fixed, release
the keys.
To identify the coffee number it is necessary to count the number of flashes of the keys of the second group
according to the following logic:
Key
is linked to the groups, key to the tens, key sono associate le centinaia, al tasto to the
hundreds, key to the tens of thousands.
To view the partial coffees brewed from the first group, turn on the machine by pressing and holding key
of the second group’s keypad. Release the button when the first group key remains lit.
To view the partial coffees brewed by the second group, turn on the machine by pressing and holding key
of the second group’s keypad. Release the button when the first group key remains lit.
To view the partial coffees brewed from the third group, turn on the machine by pressing and holding key
of the second group’s keypad. Release the button when the first group key remains lit.
The number of partial coffees of each group is identified with the same logic as the coffee dispensed as a
whole.
Switch off and on again to return to the ready machine function.
8. Routine maintenance
8.1 Brewing group and portafilter cleaning
1) Release the portafilter from the brewing group, remove the coffee grounds and replace the existing filter
with the blind filter ( without holes ) supplied with the machine.
2) Before cleaning the group, assemble the protection on the portafilter as shown in the photo.
Note:
The filter is firmly inserted inside the portafilter; to remove it, apply force on the sides and pull it out. Do not
remove the snap ring inside the portafilter.
3) Using the brush, clean the housing in the group where the portafilter is inserted.
4) Insert the portafilter in the group and without completely hooking it in, press the continuous brewing
button.
5) Let water overflow from the portafilter. This will clean the brewing group.
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6) Stop the water flow and insert the portafilter in the group.
7) Start continuous brewing and then stop after a couple of seconds and repeat this a few times (so that you
clean the drain channel and the solenoid valve of the brewing group) .
8) Clean the perforated filter and place it back in the portafilter. Draw water for a couple of seconds to clean
the filter, the portafilter and spouts.
9) Repeat these operations on all the brewing groups.