La San Marco NEW 105 S, Использование и обслуживание

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3) Using the brush, clean the seat in the unit in which the filter cup is inserted.
4) Insert the cup in the unit and, without latching it completely, press the continuous flow button.
5) Let water overflow from the filter holder. This will clean the serving group.
The continuous flow of water from the unit can cause burns due to accidental skin contacts.
6) Stop the water flow and insert the filter cup in the unit.
7) Start the continuous flow and then stop it after a couple of seconds; repeat this operation a few times
(this is to clean the drain duct and the solenoid of the unit).
8) Clean the perforated filter and place it back into the cup. Let the water flow for a couple of seconds to
clean the filter, the cup and the spouts.
9) Repeat these operations on all the serving units.
Note:
Special commercially available detergents can be used to effectively clean the serving units.
8.2 Cleaning the tray and the cup holding grill
The lower cup support grill 5 must be kept clean at all times; during the normal use of the machine, it is suffi -
cient to clean it with a sponge or a moist cloth. At the end of the working day, clean the tray and the grill also
in the internal areas using warm water and neutral detergent.
8.3 Cleaning the steam spout
Clean the steam spout with a sponge or a moist cloth at the end of the working day to remove all traces of milk or other
substances that inevitably form during the normal operation of the machine. Open the steam tap, placing the spout in
the tub, to remove any residues which may have accumulated in the spout.
8.4 Substitution of boiler water
To change the water inside the boiler, proceed as follows:
1) Cut off the power supply to the machine by turning the main switch
1 to position 0 (zero).
2) Remove the tub and the cup holding grille and open the boiler drain tap.
3) Open a steam drawing valve to facilitate the draining of the water until the end of the operation.
4) When water no longer comes out of the boiler, close the boiler drain and the steam drawing tap.
5) Charge the machine with water following the instructions of paragraph “Charging the water in the boiler”.
9. idle periods
If the machine is to remain idle for long periods (weekly closing days, holidays, etc.), take the following precautions:
1) Turn the main switch to
0
(zero) and as necessary disconnect the power cord or the main switch of the
electrical mains.
2) Close the cut-off valve of the water mains.
3) If you think the temperature might drop below 5 °C, completely drain the water system of the machine.
4) Wash the components of the machine as described in the paragraph on routine maintenance.
5) Cover the machine if necessary.
10. Display of alarms
10.1 Volumetric counter alarm
The button associated with the displacement meters of all the units lights up when the machine is switched
on; when coffee is being served, the led inside the button should flash. If, while coffee is being served, the
displacement meter remains idle for more than two minutes, the electronic control unit stops the coffee flow
and signals the alarm by flashing button
a (strong coffee in the first unit).
Note:
Make sure that serving into the cup has taken place correctly. If serving has not occurred correctly, see the
chapter “PROBLEMS AND SOLUTIONS”.