Astoria 1GR Use And Maintenance Manual page 54

7.7.4 Washing the dispensing group
Those in possession of the "AL" version of the
machine, must not perform the group wash op-
eration.
Wash the dispensing groups on a daily basis.
The coffee dispensing wash method is different for each ma-
chine type. The instructions specific to the model being used
must be followed.
In any case, before starting the wash operation, the filter
holder must be prepared as described below:
• Remove the filter from the filter holder and fit a blind filter
(see the standard supplied parts).
• Pour the specific cleaner into the filter holder with the
blind filter and hook it to the dispensing group.
From here on, follow the instructions specific to your machine.
"AEP" version
• Carry out several dispensing cycles until the water comes
out clean.
• Remove the filter holder from the group and carry out
at least one dispensing cycle in order to eliminate any
cleaner residues.
• Remove the blind filter from the filter holder and replace it
with the original one.
"SAE" version
The washing operations can also be carried out
simultaneously on multiple dispensing groups.
To exit the washing phase, the washing proce-
dure must have been completed on all groups.
If there is a power failure during the wash or rinse cycle,
when the machine turns back on, the
will flash to indicate that the wash cycle was interrupted.
The operation will need to be performed again to remove
any detergent remaining in the group.
• Press and hold the
group you would like to wash and immediately afterwards,
press and hold the
button should flash).
• To start the wash cycle, press the
and buttons should flash).
• Wait for the wash cycle to be performed (this takes roughly
50 seconds).
56 108
of
button's LED
button on the keypad of the
button for at least 5 seconds (the
button again (the
• When the button flashes to indicate that the wash
cycle has been completed, remove both the filter holder
and blind filter, then replace the coffee filter in the filter
holder.
• Reattach the filter holder to the dispensing group and
press the button to start the rinse cycle.
• Wait whilst the automatic rinse cycle is being performed
(roughly 30 seconds); this is indicated by the
buttons flashing.
• All of the buttons will light up to indicate that the rinse
cycle has finished.
• Repeat the same operations for the other groups.
If using the version with an automatic steam
wand, the
pad. Use the
group you would like to wash.
"SAE-DISPLAY" version
Multiple groups can be washed at the same
time; each keypad controls the reference group.
If there is a power failure during the wash or
rinse cycle, when the machine turns back on, it will
prompt for the group wash cycle to be performed again.
The operation will need to be performed again to remove
any detergent remaining in the group.
• Press and hold button 2 for at least 10 seconds (the button
2 LED will flash) on the keypad of the group being washed.
1 2 3
• To start the wash cycle, press button 2 again (buttons 1
and 2 should flash) and the following message will appear
on the versions with a display:
GROUP WASH
IN PROGRESS
• Wait for the 5 automatic rinse cycle to completely finish
(this takes roughly 1 minute).
• When the button 2 LED flashes to indicate that the first
wash cycle has been completed, remove the blind filter
holder from the group.
• To start the rinse cycle, press button 2 (buttons 3 and 4
should flash) and the following message will appear on
the versions with a display:
GROUP WASH
IN PROGRESS
• Wait for the automatic rinse cycle to completely finish
(this takes roughly 1 minute).
• at the end of the rinse cycle, the machine is ready for nor-
mal use.
button can be used on any key-
button on the keypad of the
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TECHNICIANS' manual
and