Trouble Shooting; Problem / Diagnostics/Solution / Suggestions - MACCHIAVALLEY SELECTION Classic Manual De Instrucciones

SELECTION Classic

7 - TROUBLE SHOOTING

Problem
Lack of steam distribu-
tion from the pipe
Leakage from the
portafilter
Too little coffee
dispensed
Diagnostics/Solution
The steam pipe nozzle is obstructed,
clear it using a pin.
This problem is caused by immersing
the spout in the milk.
Possible causes:
1- The lower bowl sealing is worn or
encrusted.
2- The portafilter is positioned
incorrectly on the group.
3- The filter in the portafilter is dam-
aged.
The coffee dispenses drop by drop,
the dispensing time is too long, the
quality of the coffee is not good and
presents a dark cream.
Possible causes:
1- The coffee grind is too fine.
2- The coffee into the portafilter is
packed too tightly.
3- The portion in the filter holder is
excessive.
4- The small nozzle of the group is
obstructed.
5- The filter in the portafilter is ob-
structed.
6- The pump pressure is too low [<9
bar (0.9 Mpa)], or the pump is not
working (volumetric pump version).
25
Suggestions
Clean the steam spout
after use.
In all of the above-
mentioned cases, call a
skilled technician
In cases 1 and 2, you will
need to adjust the grinder
correctly.
In cases 3 and 5, you will
need to call a technician.
In case 4, clean the filter or
replace it.
EN