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Additional button functions
Note:
In machines equipped with a display, electronic pre-infusion may have to be enabled/
disabled from the service programming menu.
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To activate these functions, turn off the machine at the power switch then, while holding
down the required button on the left-hand Drink buttons, turn the machine back on.
1 Short Espresso. Enable electronic pre-infusion.
1 Long Espresso. Disable electronic pre-infusion.
2 Short Espressos. Perform auto-cleaning.
2 Long Espressos. Turn on/off flashing of button lights (only for 2GR and
3GR machines without display control).
Programming the coffee dosage
PROGRAMMING
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This section explains how to program the doses dispensed automatically by the drink buttons.
Note:
Programming any of the options on the left-hand drink buttons (when viewing the
machine from the front) automatically sets the dispensing volumes on all of the other
drink buttons. This only applies to the left-hand Drink buttons. Programming other
drink buttons only modifies the option selected.
Important:
Use a portafilter filled with fresh coffee for every new dose you program.
On machines not equipped with a display, hold down the Continuous Dispensing button for 4
seconds. On machines equipped with a display, hold down the Continuous Dispensing button for 8
seconds. The Continuous Dispensing button light will flash. On machines equipped with a display, all
of the Drink buttons lights will be turned on.
Press the dispensing option that you wish to program: 1 Short Espresso, 1 Long Espresso, 2 Short
Espressos or 2 Long Espressos. The lights on the button pressed and on the Continuous Dispensing
button will remain on.
The group will start dispensing coffee. When the desired volume is reached in the cup, press the
selected button again to stop dispensing. This volume setting will be saved. On machines equipped
with a display, the lights on the reprogrammed dosage buttons will remain off.
Repeat this process for all of the dispensing options that you wish to reprogram.
If you only need to reprogram one of the dispensing options, follow the steps above and program just
that option. All of the other dispensing options will remain unchanged (default settings).
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