TECHNICIANS' manual 51 of 100
7.7.4 Washing the dispensing group
Do not carry out a group wash if you possess the
“ALE version”.
Wash the dispensing groups on a daily basis.
The coffee dispensing wash method is different for each ma-
chinetype.Theinstructionsspecictothemodelbeingused
must be followed.
In any case, before starting the wash operation, the lter
holder must be prepared as described below:
• Removethelterfromthelterholderandtablindlter
(see the standard supplied parts).
• Pourthespecic cleaner into the lterholder with the blind
lterandhookittothedispensinggroup.
Fromhereon,followtheinstructionsspecictoyourmachine.
“EMA-EPU” version
• Carry out several dispensing cycles until the water comes
out clean.
• Remove the lter holder from the group and carry out
at least one dispensing cycle in order to eliminate any
cleaner residues.
• Removetheblindlterfromthelterholderandreplaceit
with the original one.
“EVD” version
The washing operations can also be carried out si-
multaneously on multiple dispensing groups. To
exit the washing phase, the washing procedure
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 (2)
button’s LED
will ash to indicate that the wash cycle was interrupted.
The operation will need to be performed again to remove
any detergent remaining in the group.
1 3 4 72
• Press and hold the
(7)
button on the keypad of the
group you would like to wash and immediately afterwards,
press and hold the
(2)
button for at least 10 seconds
(thebuttonshouldash)andthefollowingmessagewill
appear on the versions with a display:
GROUP WASH
IN PROGRESS
• waitforthe5automaticrinsecycletocompletelynish
(this takes roughly 30 seconds);
• when the
(2)
buttonashestoindicatethatthewash
cyclehasbeencompleted,removeboththelterholderand
blindlter,thenreplacethecoffeelterinthelterholder
;
• reattach the lter holder to the dispensing group and
press the
(2)
button to start the rinse cycle;
• wait whilst the automatic rinse cycle is being performed
(roughly 30 seconds) (buttons
(3)
and
(4)
ash)
and the following message will appear on the versions
with a display:
GROUP WASH
IN PROGRESS
• at the end of the rinse cycle, the machine is ready for nor-
mal use.
7.7.5 Cleaning the group shower screen,
shower screen containment ring
and lter holder
Daily
Cleanthedispensinggroupandlterholdershowerscreens
with the supplied brush on a daily basis.
Thoroughly clean the inside of the coupling ring and lter
holder,aswellastheedgeandthewingsofthelterholder,
so as to eliminate any accumulated coffee residues.
Use the special toothbrush supplied (see the Spare
Parts Catalogue).
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