Conti TWIN STAR 2 R-EV 2G, Technical Documentation Manual

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The coffee will not flow, if
-
Time Out of the heating element (coffee boiler - alarm on the display),
- Overheating of the coffee boiler heating element (alarm on the display),
- Time Out for steam boiler filling up,
- The security sensor is not reached (lack of water in steam boiler).
When the coffee is flowing, the display of the operating group shows (according to the selection):
6.3.2 Coffee delivery:
This function allows to moisten the coffee grind before infusion (opening of the solenoid valve
time t1, deactivating time t2 and reopening).
The pre-infusion is set in the factory and can be modified and set different on each button of the
group – see programming.
6.3.3 Tea measure:
Machine turned on, no tea delivery: The tea LED will stay alight.
Press the tea push-button:
- The tea solenoid valve is activated and the hot water is flowing.
- The LED of the push-button is lit.
The TEA delivery can be programmed. When the programmed time is reached the TEA
solenoid valve is closed and the hot water flow stopped.
The flow can be stopped before the end of the program by pressing the TEA button again.
The TEA and COFFEE functions can be used in the same time.
During the hot water delivery the display of the left group shows:
When coffee & tea are delivered in the same time on the left group, the display will show the
information alternately.
When the programmed time is reached, the solenoid valve will close.
6.3.4 Tea with pump:
The anti-splash system of the hot water outlet can be adjusted using the pump and the tea
solenoid valve in the same time – see technical menu.
1 Espresso
in Progress
2 Espresso
in Progress
1 Long dose
in Progress
2 Long doses
in Progress
Continuous dose
in Progress
Tea
in Progress