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6.11 Automatic operation - programming the coffee brewing cycles

Automatic models: 80–Preziosa 16M

a. Entering the programming mode

Set the main switch 1 on the machine to position “zero” (machine switched off).

Hold down the ﬁ fth button 10 on the ﬁ rst brewing unit. Now, rotate the main switch 1 to position 1 (machine switched on).

After a few seconds, release the button 10. The indicator led for the button will now begin to ﬂ ash, as will the same led

on all the other brewing units. The machine is now ready for programming

b. Programming

To program the four portions on brewing unit I, proceed as follows: place the single-portion ﬁ lter into the single-portion

ﬁ lter holder. Use the coffee dispenser to dispense a single portion of coffee into the ﬁ lter. Mount the ﬁ lter holder

onto brewing unit I.

Place an espresso cup under the spout on the ﬁ lter holder.

Press the ﬁ rst button 6 whose portion is to be programmed. When the coffee in the cup reaches the desired

level, press the ﬁ fth button 10 to stop brewing.

Follow the same procedure to program the other portions on each group. Once the four portions on brew ing unit I

have been programmed as desired, the relative data can be transferred to the other brewing units by pressing

the ﬁ fth button 10 on each unit. When each button 10 is pressed, the indicator led for the button will stop ﬂ ashing

and remain steadily lit. This shows that the data on brewing unit I has been transferred successfully.

c. Exiting from the programming mode

After you have ﬁ nished programming the machine, press the button 10 (with ﬂ ashing led) on brewing unit I and

all the leds will turn off. The programmed quantity of coffee will now be delivered when an automat ic brewing

button is pressed.

6.12 Important information on daily maintenance

To keep your espresso machine in top operating condition and obtain maximum performance, the following cleaning

operations must be performed on the brewing units at the end of the work day:

a. Install the blank ﬁ lter (without holes) into the ﬁ lter holder. This ﬁ lter is provided with the machine.

b. Install the ﬁ lter holder with blank ﬁ lter onto the brewing unit to be cleaned but do not tighten the holder, thus

allowing water to overﬂ ow at the sides. Push the continuous brewing button and let the water run for about a

minute. This will clean the spray head and the water delivery pipe in the unit.

c. Tighten the ﬁ lter holder onto the brewing unit so that water can no longer overﬂ ow at the sides. Manually run the

unit once again for around 5 seconds, and then shut the unit down. Repeat this operation 5 or 6 times to clean

the solenoid valve and the drain pipe on the unit.

Note: To clean the brewing units more thoroughly, the blank ﬁ lter can be ﬁ lled with one of the special deter gents that

are available on the market.

6.13 Alarms

Led on the ﬁ rst button of pushbutton array indicates a malfunction on the ﬂ ow meter.

A ﬂ ashing Led on the second button of all the pushbutton arrays indicates a malfunction on the automatic boiler

reﬁ ll A ﬂ ashing system (jammed solenoid valve, insufﬁ cient water from the main water system, etc.). After 1 ’30”, the

pump motor will shut down.

Note: If the machine shuts down as described above, call your local service technician.

• Do not use water sprays, steam or similar cleaning methods. Before cleaning or main tenance op-

erations, DISCONNECT THE CABLE IF POSSIBLE; OTHERWISE, SHUT OFF THE OMNIPOLAR

MASTER SWITCH INSTALLED AHEAD OF THE MACHINE.

• If power cable is damaged, it must be replaced with the specially prepared, original equipment

replacement part which conforms to safety regulations.

• Special maintenance, parts replacement, long-term shutdown and displanting opera tions must be

performed by LA SAN MARCO service personnel.

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