Macco ILC-200, Technical Instructions

Page: 62 / 72

Pag.62 27/03/2014
5) N° 15 Alarm of too much coffee in the brewing chamber.
Too much coffee 15
This alarm is visualised on display by code 15
Causes: the upper piston has positioned itself where the wet seal of the piston gasket in the brewing chamber is not
guaranteed.
Result: the machine is switched OFF.
Solution: carry out the following controls.
1)
Reduce coffee quantity
2) Clean the upper piston gasket from any coffee residue
3) Check the upper piston alignment with the brewing chamber.
4) Faulty encoder
Please Note: before show the alarm the upper piston tries to insert itself into the brewing chamber twice.
6) N° 32 Boiler filling alarm.
Filling up T.O. 32
This alarm is visualised on display by code 32
Causes: the stage of boiler fillings has exceeded the maximum time of 2 minutes; the level of the probe (SLC) has not been
reached.
Result: the machine is OFF.
Check the following:
1)
Level probe (SLC) is dirty, so isolated from the water (the complete filling of the boiler is checked)
2) no water from mains
3) low water pressure
4) faulty motor pump
5) faulty filling solenoid valve
6) incorrect electrical connections (level probe -SLC- misconnected wire).
7) PC board relè
7) N° 33 Coffee boiler time-out temperature alarm .
Select drink
Coffee not ready
This alarm is visualised on display by code 33
Cause: the coffee boiler temperature has reached the minimum value of 60°C
Result: boiler heating is interrupted and the buttons of coffee-based, milk-based and filter drinks are disabled.
Solution: turn off the machine and then turn it back on. If the alarm sets off again, verify:
WARNING:
a)
If the alarm sets off again, wait until the machine reaches the working temperature
b) If the machine is in OFF mode, the display shows:
Coffee heat. T.O. 33
It indicates that the heating up stage of the coffee boiler has exceeded 8’ time-out, verify:
1) Faulty temperature probe
2) Temperature probe stopped
3) Faulty TRIAC
7) Faulty master board
8) Turn the machine in OFF mode and then turn it back on with the key N°11 (ON-OFF).