Problem Solving - DeLonghi EC710 Instructions Manual

Problem solving

PROBLEM
The espresso coffee is
cold.
Espresso coffee no longer
comes out
The espresso coffee drips
from the edges of the filter
holder instead of from its
holes
The pump is too noisy.
The coffee crema is light-
coloured (the coffee comes
out quickly from the
spout).
POSSIBLE CAUSES
• The 'OK' pilot light was not
on when the coffee deliv-
ery switch was pressed.
• The preheating was not
carried out.
• The cups were not pre-
heated.
• No water in the tank
• The holes in the filter
holder are blocked
• The outlet of the espres-
so boiler is blocked.
• The tank is badly inserted
and the valve at the bot-
tom is not open
• The filter holder is not
inserted correctly.
• The espresso boiler gas-
ket has lost elasticity
• The holes in the filter
holder are blocked
• The water tank is empty.
• The ground coffee has
not been pressed enough.
• Not enough ground cof-
fee used
• The coffee is not ground
finely enough.
11
SOLUTION
• Wait until the OK pilot
light comes on.
• Carry out the preheat-
ing as indicated in the
"Preheating the coffee
unit" section.
• Preheat the cups by rins-
ing them in hot water or
placing them to preheat
on the top plate for at
least 15-20 minutes.
• Fill the water tank
• Clean the holes in the
filter holder described
in the chapter "Cleaning
the boiler outlet"
• Clean as indicated in the
"Cleaning the espresso
boiler outlet" section
• Press the tank lightly so
as to open the valve at
the bottom
• Attach the filter holder
correctly by rotating
firmly as far as it will go.
• Have the boiler espres-
so gasket replaced at a
Service Centre
• Clean the holes in the
filter holder
• Fill the water tank
• Tamper the ground cof-
fee down more.
• Increase the quantity of
coffee.
• Only use coffee specifi-
cally ground for espres-
so coffee machines.
Coffee Maker