La San Marco 20/20 PLUG&PLAY 1GR, Use And Maintenance

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ENGLISH
PROBLEM CAUSE SOLUTION
4. After initialization, the
coffee boiler does not heat.
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has tripped.
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defective or is not connected.
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thermostat has tripped, reset it and
check its proper operation.
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connected to the control unit.
5. Water does not come out of
the dispensing assembly.
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excessive quantity.
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empty.
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or boiler pressure discharge
solenoid defective.
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or the quantity of ground coffee.
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clogged and the coffee boiler is
properly filled. If the machine is new,
run the initializing cycle and check
that the lime scale filter fills up.
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discharge solenoid does not leak
during dispensing and that the boiler
pressure discharge valve is closed.
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powered.
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not signal lack of water (steady blue
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filling, refer to point no. 9.
6. Coffee servings cannot be
programmed.
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unit.
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7.
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level alarm via flashing of
blue LED.
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defective.
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boiler not filled correctly or water
circuit clogged.
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not fill.
8.
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by blue LED flashing at
lower frequency.
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filling, refer to point no. 9.
9. Tank automatic level alarm
(only for models with
automatic tank) by means
of flashing blue LED.
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closed.
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valve.
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circuit is not clogged.
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water supply is open.
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10. Leakage of water from
tank (only for models with
automatic tank filling).
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circuit.
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capacitive sensor.
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11. The machine and its
indicator light are on, but
the electronics do not
work.
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disconnected.
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