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SELECTION Style
Problem
Diagnostics/Solution
Suggestions
The coffee is too cold
Possible causes:
1- The portafilter is cold.
2- The coffee grind is too fine.
3- The water circuit of the machine is
dirty (lime).
4- The boiler pressure is lower than
0.8 bar (0.08 Mpa).
In case 1, always keep the
portafilter mounted on
the AromaPerfect brewing group.
In case 2, change the coffee grind.
In cases 3 or 4, call a
skilled technician.
The coffee is tepid
The coffee is tepid, although the
pressure is normal between 1 and 1.2
bar (0.12 Mpa).
In this case, the pressure measurement is incorrect.
Call a skilled technician
to check the relief valve.
Meanwhile, in order to
use the machine, open the
steam valve, (Fig. 01; pos.
9) the boiler pressure will
drop to zero: This will connect the heating elements
and the temperature will
increase. Continue this
operation every day when
turning on the machine.
The coffee is too hot
Possible causes:
1- The boiler pressure is higher than
1.3 bar (0.13 Mpa).
2- The machine is covered with
something that prevents it from
cooling.
3- The machine has been installed in
a position that prevents air circulation.
In case 1, call a skilled
technician
In cases 2 and 3, reset
the machine cooling
conditions.
Coffee deposit in the
bottom of the cup
There is a deposit of coffee powder in
the bottom of the cup.
Possible causes:
1- The coffee grind is too fine.
2- The portafilter is dirty inside, or
the filter is damaged.
3- The grinder mills are worn, call a
technician to replace them.
4- Too high pump pressure [>10 bar
(0.1 Mpa)] (volumetric pump version).
In case 1, it is necessary
to adjust the grinder correctly.
In case 2, clean the portafilter or replace the filter;
in all other cases call a
technician.
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