Gastroback Design Espresso Maschine Advanced S Operating Instructions Manual page 66

Problem
The coffee flows out too
quickly.
Coffee runs out around the
edge of the portafilter.
The coffee only drips
from the portafilter spouts
(restricted flow).
66
Possible Reason
The coffee powder is too
coarse.
There is too little coffee pow-
der in the filter basket.
You applied too little pressu-
re when tamping the coffee
powder.
The portafilter is not inserted
in the group head correctly.
Particles of coffee powder are
on the filter basket rim.
Too much coffee powder in
the filter basket.
The coffee powder is tamped
too firmly.
You have selected an
unsuited filter basket.
Not enough water in the
water tank.
The coffee powder is too fine. Use coffee powder suited for espresso machines. See:
Too much coffee in the filter
basket.
The water system within the
machine or the filter basket
are clogged.
The Solution
Use coffee powder with a grind size suited for espresso
machines. See: >Tips for Best Results<.
Use the measuring spoon to measure the sufficient amount
of coffee powder. Use the Razor™ precision tool after
tamping to get the correct amount. See: >Trimming the
Dose<.
To press the coffee powder into the filter basket, apply a
pressure of 15-20kg via the provided tamper. See: >Tips
for Best Results<.
Ensure that the handle of the portafilter is rotated to the
right until it is facing in right angle to the front of the appli-
ance. See: >Preparing the Group Head<.
Clean excess coffee powder from the rim of the filter bas-
ket before assembling the portafilter to the group head to
ensure a proper seal.
Ensure to use the correct amount with the appropriate filter
basket. Use the Razor™ precision tool to get the correct
amount (see: >Trimming the Dose<).
Apply the correct pressure (15-20kg) when tamping the
coffee powder. See: >Tips for Best Results<.
Ensure to use the correct amount with the appropriate filter
basket. Use the 1 CUP filter basket for 1 cup of coffee and
the 2 CUP filter basket for 2 cups of coffee. See: >Tips for
Best Results<.
Fill the water tank. The filling level must be between
250ml (MIN) and 1800ml (MAX).
>Tips for Best Results<. Pre-ground coffee powder is label-
led accordingly.
Ensure to use the correct amount with the appropriate filter
basket. Use the Razor™ precision tool to get the correct
amount (see: >Trimming the Dose<).
De-scale the machine. Clean the filter basket. You may use
a needle or fine pin to open clogged holes in the filter bas-
ket mesh. See: >Care and Cleaning<.