Problems During Operation - DeLonghi BCO90 Owner's Instructions Manual

PROBLEMS DURING OPERATION

Problem
Espresso coffee no longer
drips out
The milk froth does not form
properly when making
cappuccinos
The percolation time of the
coffee is longer than
expected
The coffee has
aftertaste vinegary
12
Probable Causes
The coffee has been ground too
finely
The hole in the spout of the filter
holder is plugged
The filter is obstructed
The milk is not cold enough
The milk frother bit is dirty
The coffee machine filter needs to
be decalcified
The machine has not been rinsed
an
enough
Resolution
Use coffee with a medium grind or the
kind made for moka coffee
Clean the hole in the filter holder
Clean the filter with hot water,
scrubbing with an abrasive pad
Always use milk cold from the
refrigerator
Accurately clean the frother as
described in the paragraph "Cleaning
the milk frother"
Proceed with the decalcification
operations as described in the
paragraph "Descaling"
Rinse the appliance as described in
the chapter "Descaling"