Gaggia UNICA - Manual (Page 42)

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Machine Actions Causes Solutions
The machine does not turn on. The machine is not connected to the electric net-
work.
Connect the machine to the electrical network.
The coff ee is not hot enough. The cups are cold. Preheat the cups with hot water.
No hot water or steam is dispensed. The hole of the steam wand is clogged. Clean the hole of the steam wand using a pin.
Make sure that the machine is turned off and has
cooled before performing this operation.
Pannarello is dirty (if supplied). Clean the Pannarello.
The coff ee has not enough crema.
(See note)
The coffee blend is unsuitable, the coffee is not
freshly roasted or the grind is too coarse.
Change coff ee blend or adjust the grind as explained in
section "Coff ee Grinder Adjustment".
The machine takes a long time to warm up
or the amount of water dispensed from the
wand is too little.
The machine circuit is clogged by limescale. Descale the machine.
The brew group cannot be removed. The brew group is out of place. Turn on the machine. Close the service door. The brew
group automatically returns to the correct position.
The coff ee grounds drawer is inserted. Remove the coffee grounds drawer before removing
the brew group.
The machine grinds the coff ee beans but
no coff ee comes out.
(See note)
There is no water. Fill the water tank and prime the circuit (section "Using
the Machine for the First Time").
The brew group is dirty. Clean the brew group ("Brew Group" section).
The circuit is not primed. Prime the circuit (section "Using the Machine for the
First Time").
Rare event that occurs when the machine is auto-
matically adjusting the dose.
Brew a few coffees as described in section “Gaggia
Adapting System”.
The dispensing spout is dirty. Clean the dispensing spout.
The coff ee is too weak.
(See note)
Rare event that occurs when the machine is auto-
matically adjusting the dose.
Brew a few coffees as described in section “Gaggia
Adapting System”.
Coff ee is brewed slowly.
(See note)
The coff ee grind is too fi ne. Change coff ee blend or adjust the grind as explained in
section "Coff ee Grinder Adjustment".
The circuit is not primed. Prime the circuit (section "Using the Machine for the
First Time").
The brew group is dirty. Clean the brew group ("Brew Group" section).
Coff ee leaks out of the dispensing spout. The dispensing spout is clogged. Clean the dispensing spout and its holes.
Note: These problems can be considered normal if the coff ee blend has been changed or the machine is being installed
for the fi rst time. In this case wait until the machine performs a self-adjusting operation as described in section "Gaggia
Adapting System".
Please contact the customer service for any problems not covered in the above table or when the suggested solutions do
not solve the problem.
TROUBLESHOOTING