Problem possible causes solution – DeLonghi EC155 User Manual
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No milk froth is formed when
making cappuccino
• Milk not cold enough.
• Cappuccino frother is dirty.
• Always use skim milk at refrigerator
temperature.
• Thoroughly clean the holes in the
cappuccino frother in particular
those indicated in figure 21.
PROBLEM
POSSIBLE CAUSES
SOLUTION
No espresso coffee is
delivered
• No water in the tank.
• The holes in the filter holder spouts
are blocked.
• The espresso boiler outlet is blocked.
• The filter is blocked.
• The tank is incorrectly inserted and
the valve on the bottom is not open.
The espresso coffee drips
from the edges of the filter
holder rather than the holes
• The filter holder is inserted incorrectly.
• The espresso boiler gasket has lost
elasticity.
• The holes in the filter holder spouts
are blocked.
• Attach the filter holder correctly and
rotate firmly as far as it will go.
• Have the espresso boiler gasket
replaced at a service center.
• Clean the spout holes.
The espresso coffee is cold
• The espresso OK indicator light was
not on when the coffee switch was
pressed.
• No preheating performed.
• The cups were not preheated.
• Wait until the espresso OK indicator
light comes on.
• Preheat as described in the
paragraph "Preheating the espresso
coffee unit".
• Preheat the cups.
The pump is excessively noisy
• The water tank is empty.
• The tank is incorrectly inserted and
the valve on the bottom is not open.
• Refill the tank.
• Press the tank down lightly to open
the valve on the bottom.
• Fill the tank with water.
• Clean the spout holes.
• Clean as described in the chapter
"Cleaning the boiler outlet".
• Clean as described in the section
"Cleaning the filter".
• Press the tank down lightly to open
the valve on the bottom.
The coffee froth is too
light (delivered from the
spout too fast)
• The ground coffee is not pressed
down firmly enough.
• There is not enough ground coffee.
• The ground coffee is too coarse.
• Incorrect type of ground coffee.
• Press the ground coffee down more
firmly (fig.5).
• Increase the quantity of ground
coffee.
• Use ground coffee for espresso
coffee machines only.
• Change the type of ground coffee.
The coffee froth is too dark
(delivered from the spout too
slowly)
• The ground coffee is pressed down
too firmly.
• There is too much ground coffee.
• The espresso boiler outlet is blocked.
• The filter is blocked.
• The ground coffee is too fine.
• The coffee is damp or ground too
fine.
• Incorrect type of ground coffee.
• Press the coffee down less firmly (fig.
6).
• Reduce the quantity of ground coffee.
• Clean as described in the chapter
"Cleaning the espresso boiler outlet".
• Clean as described in the section
"Cleaning the filter".
• Use ground coffee for espresso coffee
machines only.
• Use only ground coffee for espresso
coffee machines. Make sure it is not
damp.
• Change the type of ground coffee.