La Pavoni Esperto Manual De Uso página 33

No froth forms on the
coffee
The coffee is too cold
The coffee is too hot
The safety valve whistles
and steam is leaking from
the valve or from the
condensation basin
The machine does not
dispense steam
The machine is noisy
(vibrates)
1. The coffee blend is not
suitable for this type of
machine
2. The grinding is unsuitable
3. There is not enough
coffee
1. The machine had not
reached the correct
temperature
2. The filter holder had not
been pre-heated
3. Scale on the heating
element
4. Heating element partially
burnt out
5. The pressure switch is
not working within the
required range
1. The pressure switch is
not working within the
required range
1. The spring that regulates
the safety valve is blocked
2. The pressure switch is
not working within the
required range
1. The machine has not
reached the correct
pressure
2. The holes at the end
of the steam pipe are
clogged
3. There is no water in the
boiler
4. The steam pipe has not
been inserted properly
5. There is scale on the
heating element
1. The coils of the heating
element are too close
2. There is scale on the
heating element
31
1. Replace the coffee
2. Adjust the coffee grind
3. Increase the amount of
coffee
1. Follow the instructions
given in section 4.4
2. The filter holder should
be heated at the same
time as the water
3. Descale the machine
4. Contact the SERVICE
CENTRE
5. Contact the SERVICE
CENTRE
1. Contact the SERVICE
CENTRE
1. Contact the SERVICE
CENTRE
2. Contact the SERVICE
CENTRE
1. See the instructions given
in section 4.4
2. Clean the holes with a
needle
3. Put water into the boiler
4. Insert the steam pipe
properly
5. Descale the machine
1. Contact the SERVICE
CENTRE
2. Descale the machine