USER Manual
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9.
MAINTENANCE AND CLEANING
9.1
Safety precautions
Carefully read the instructions provided in chapter "1. SAFETY PRECAUTIONS" on page 3 .
9.2
Periodic maintenance
In addition to performing the following maintenance operations at the specified frequency, have a Qualified
Technician perform an overall inspection of the machine whenever prompted by the warning on the display, as
indicated in para. 9.3 on page 34.
Component
Type of operation
Weekly
Monthly
Quarterly
DISPLAY
Keep the heating unit pressure between 0.08 and 0.14 MPa (0.8 and 1.4
bar).
X
DISPLAY
Check the water pressure when coffee is being dispensed: check the pres-
sure indicated on the gauge, which must be between 0.8 and 0.9 MPa (8
and 9 bar).
X
FILTERS AND FILTER
HOLDERS
Check the condition of the filters. Check for any damage on the edge of
the filters and check whether any coffee grounds settle in the coffee cup,
and replace the filters and/or filter holders, as required.
X
GRINDER-DISPENSER
Check the ground coffee dose (between 6 and 7 grams per time) and
check the degree of grinding. Grinders must always have sharp cutting
edges. Too much powder in the grounds is an indication that the coffee is
deteriorating. We recommend contacting a Qualified Technician to replace
the flat burrs after every 400/500 kg of coffee, or after every 800/900 kg
for conical burrs.
If the automatic grinder wear warning is enabled, follow the instructions
in para. 9.4 on page 34 .
X
WATER FILTER
WATER SOFTENER
Replace the water filter cartridge or regenerate the water softener at the
frequency indicated by the manufacturer or whenever the automatic
regeneration warning is displayed (see para. 9.5 on page 34).
X
HEATING UNIT
We recommend that you call out the Technical Assistance at least once
every three months to replace the water in the heating unit.
X
Component problems highlighted in grey require the machine to be switched off and one of the Qualified Technicians to be called out.
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