Operation Manual

User’s manual Giotto espresso coffee machine
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Subject to change without notice Page 24 of 25
Problem Possible causes Solutions
Pump is making loud noise Pump is running without
water
Switch machine off and
unplug machine and
contact your authorized
service rep
On/off switch is off Turn switch on Pump is not running
Pump is faulty Switch off and unplug
machine and contact your
authorized service rep
Water from water nozzle is
brown and smells bad
Milk in boiler Switch off and unplug
machine and contact your
authorized service rep
Low voltage at power
supply
Verify proper voltage to
machine
Heating element damaged Contact your authorized
service rep
Steam pressure is low to
recover
Hard water build up in
boiler
Contact your authorized
service rep.
Steam pressure is low Verify boiler pressure is at
approximately 1 bar. If
pressure dropped during
steaming, allow pressure to
recover.
Steam nozzle partially
clogged
Remove and clean steam
nozzle
Steam flow from wand is
low
Milk in steam wand and/or
valve
Contact your authorized
service rep.
Shots pouring too fast Coffee grind too coarse Use finer coffee grind
Coffee is not fresh or not
freshly ground
Ensure your coffee is fresh
and freshly ground
Group and/or filterholders
and/or filter baskets and or
group showers/screens
need to be cleaned or
replaced
Please provide or contact
your authorized service
rep.
Coffee grind is incorrect Use properly ground coffee
Grindstones are dull Contact your authorized
service rep.
Shots taste bad
Boiler pressure is to high
or to low
Contact your authorized
service rep.
Grind to coarse Please use properly ground
coffee
No “Crema” on espresso
(“Crema”= emulsion on
top of the espresso)
Coffee is not fresh Use fresh and freshly
ground coffee
Gasket need to be replaced Contact author. service rep Filterholder won’t fit in
group
Too much coffee in filter Use correct portion