LAVAZZA LB 2801 Maintenance Manual page 28

PROBLEM
Coffee is too hot.
Coffee is dispensed too quickly.
Coffee is dispensed too slowly.
The pressure gauge indicates an
unacceptable pressure.
Grounds in cup.
24
CAUSE
The boiler temperature is too high.
The flow reducer of the brewing unit is
not suitable.
The diameter of the injector is too large.
The boiler temperature is too high.
The injector of the brewing unit is clog-
ged.
The brewing unit is clogged.
The capsule-holder is dirty.
Lower perforators are dirty.
The pressure gauge is defective.
The boiler calibration is incorrect.
The capsule-holder is dirty.
The lower perforator holes are worn.
The internal gasket is worn.
The temperature of the dispensed water
is high.
Maintenance manual for technical assistance
SOLUTION
Reduce the temperature in the boiler.
Replace the reducer with one of a
smaller diameter.
Replace the injector with one of a
smaller diameter.
Reduce the temperature in the boiler.
Replace the brewing unit injector.
Controllare e pulire il gruppo eroga-
zione.
Check and clean the brewing unit.
Clean and replace the perforators, if
necessary.
Replace the pressure gauge.
Adjust the calibration of the boiler.
Clean the capsule-holder.
Replace the lower perforator.
Reduce the boiler temperature.
Replace the reducer with one of a
smaller diameter.
Manual code 10066574 / Rel. 2.00 / February 2012