Gastroback Design Espresso Maschine Advanced S Operating Instructions Manual page 67

Problem
The machine is making an
unusual loud and continu-
ous pumping noise.
The coffee is week and
watery.
The coffee is too cold.
No crema.
The appliance is making
pulsing and pumping noi-
ses during operation.
Possible Reason
Not enough water in the
water tank.
The water tank is not
inserted correctly.
The coffee powder has been
ground too coarsely.
The machine did not reach
the correct operating tem-
perature.
You did not pre-heat the
cups.
The milk is not hot enough
(if making cappuccino or
latté etc).
The coffee powder is not
tamped firmly enough.
The coffee powder is too
coarse.
The coffee powder is stale.
The filter basket is clogged,
This is normal and no rea-
son for concern.
The Solution
Fill the water tank. The filling level must be between
250ml (MIN) and 1800ml (MAX).
Push the water tank down at the back of the appliance
until the outer sides of the water tank lie in straight line
with the housing of the appliance.
Use coffee powder suited for espresso machines. See: >Tips
for Best Results<. Pre-ground coffee powder is labelled
accordingly.
Before starting an extraction, always wait until the
POWER button is illuminated continuously (not flashing).
Rinse the cups via the hot water function, or place your
cups onto the warming plate on top of the machine,
before starting an extraction. Try to pre-heat the portafil-
ter as well via the hot water function.
Use the provided milk jug for texturing milk. During ope-
ration, hold your hand on the milk jug to feel the tempe-
rature. The milk is sufficiently hot, when the bottom of
the milk jug gets too hot for touching it.
Apply the correct pressure (15-20kg) when tamping the
coffee powder. See: >Tips for Best Results<.
Use coffee powder suited for espresso machines. See:
>Tips for Best Results<. Pre-ground coffee powder is
labelled accordingly.
Use freshly ground coffee beans. Store coffee powder in
an airtight container. However, do not store it for more
than 1 week.
Clean the filter basket. You may open clogged holes in
the filter mesh via a needle or fine pin. See: >Care and
Cleaning<.
No action required.
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