Astoria 2GR - Tips for a Good Cup of Coffee; Maintenance and Cleaning; Safety Precautions; PPE Features

TECHNICIANS' manual
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• Press and hold the ( + ) button for at least 3 seconds to
conrmtheresetoperation.
The above-indicated procedure can reset the
counts for single selections but not the ma-
chine’s total counter (machine life cycle).
6.14.10 Programming the Language
This menu is used to programme the language used to dis-
play messages on the screen:
• Enter the programming mode and scroll through the menu
until the following is shown on the display:
LANGUAGE
ENGLISH
• Set the language via the ( + ) and ( - ) buttons.
• To move on to the next programming function, press the
(MODE) button.
There is the option to choose between degrees
Celsius (°C) and Fahrenheit (°F) for the English
language option.
6.14.11 Loading the default data
To restore the factory settings, press and hold the buttons (1),
(3) and (7) for 5 seconds when the machine starts up.
1 3 7
6.15 Tips for a good cup of coffee
Wash the lters and lter holders on a daily basis, as indi-
cated in para. 7.7.3 on page 55. The failure to perform this
cleaning operation will negatively affect the quality of the
dispensed coffee.
To obtain high-quality coffee, it is important that the water
hardnessdoesnotexceed6-7°f(Frenchdegrees).Ifthewater
hardness exceeds these values, it is advisable to use a water
lter or softener. Avoid using a water softener if the water
hardness is less than 4°f.
If the taste of chlorine in the water is particularly strong, in-
stallaspeciallter.
Do not to keep large amounts of coffee beans on hand. If
you change the type of coffee, we recommend calling out
the Technician to adjust the water temperature and coffee
grinder.
If the machine has not been used for a certain period of time
(2-3 hours), carry out a few dry runs. Make sure that the ma-
chine is constantly cleaned and periodic maintenance is car-
ried out.
7. MAINTENANCE AND CLEANING
7.1 Safety precautions
Carefully read the instructions provided in
chapter "I. SAFETY PRECAUTIONS" on page
5.
7.2 PPE features
When installing the machine, the following PPE is required:
The use of protective gloves is mandatory.
7.3 Maintenance
7.3.1 Scheduled maintenance
Performthefollowingmaintenanceaccordingtothespecied
frequency.
If the machine is used intensively, the checks need to be per-
formed more frequently.