LB.05080.00 Pag.48 16/04/2014
9) 35 Check flow lines
35 Check Flow Lines
This alarm is visualised on display by code 35
Cause: It indicates that when the machine is in stand-by there is a leakage from the coffee hydraulic circuit.
Result: the machine is OFF.
Check the following:
1) leakage from the expansion valve
2) leakage from the coffee group solenoid valve.
3) leakage from the by pass solenoid valve. ( optional )
4) leakage from the mix cold water solenoid valve for group ( optional)
5) leakage from the no-return valve
6) leakage from the tubes of the coffee hydraulic circuit
10) 40 Flowmeter alarm
40 Flowmeter error
This alarm is visualised on display by code 40.
Cause: the flowmeter is not sending signals to the control unit within a time-out of 5 seconds.
Result: delivery continues up to a time-out of 120 seconds or until the selected key is pressed.
Check the following:
1) No water from mains (coffee is not dispensed)
2) clogged group piston filters (coffee is not dispensed)
3) faulty group solenoid valve (coffee is not dispensed)
4) clogged inlet filters (coffee is not dispensed)
5) blocked flowmeter (coffee is not dispensed)
6) faulty electrical connection (coffee dispensed continuously).
Note: If the coffee is dispensed continuously, use the machine as if it were manual: press the required key to start up the
dose, then press the same key to stop the dose being dispensed, after checking the amount in the cup.
If dispensing continues until the above mentioned time-out of 120 seconds, the dispensing will be stopped and display
shows:
41 Infusion T.O.
This alarm is visualised on display by code 41.
The message signals that a time-out problem of the flowmeter occurred.
At the next dose the message will be cancelled if dispensing is carried out correctly.
Check the following:
1) The dose programmed is too long. ( Program it again ).
2) The delivery is too slow : the grinding is too fine or the filter is clogged.
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