Maintenance; Daily; Weekly - Rancilio CLASSE 6 E Original Instructions Manual

Failures are indicated on the electronic board display
by means of numbers or letters. If there is more than
one failure, they are displayed one after the other.
1 = Time-out boiler filling level: time limit for correct
boiler filling has been exceeded.
2 = Time-out boiler pressure set-point: the time
limit to reach boiler pressure set-point has been
exceeded
3 = Electronic board E06 12Vdc short: short circuit
in the electronic board E06
4 = Capacity level sensor 12Vdc short: capacity level
sensor supply has short-circuited. (*).
5 = Pressure transducer 12Vdc short: pressure tran-
sducer supply has short-circuited.
6 = Volumetric counter 12Vdc short: short circuit on
the supply of volumetric counters.
7 = 5Vdc push-button panel short: the push-button
panel has short-circuited.
8 = Transducer/probe short on output signal: short
circuit on output signal from the pressure tempe-
rature probe / transducer.
9 = Open transducer/probe signal: the output signal
from the temperature probe/transducer has been
interrupted.
A = Absence of volumetric counter impulses group
1: the volumetric counter of the first group is not
transmitting impulses to the electronic board.
B = Absence of volumetric counter impulses group 2:
the volumetric counter of the second group is not
transmitting impulses to the electronic board (*).
C = Absence of volumetric counter impulses group
3: the volumetric counter of the third group is not
transmitting impulses to the electronic board (*).
(*) Only for predisposed machines.
The failures identified by numbers 1 to 9 block
machine operation. Apart from the failure being in-
dicated on the display, the push-button panel LED
will flash simultaneously informing the user of the
malfunction.
After having identified and resolved the failure,
switch the machine off and then on again for normal
operation
NOTE: The problems identified with the letters A, B
and C do not interrupt the functions of the machine.
They are identified on the display and during dispen-
sing from the corresponding group, the LED of the
button pressed will flash.

11. MAINTENANCE

Maintenance operations have to be carried
out when the machine is off and cold and
the plug is disconnected. Some particular
operations have to be performed when the
machine is operating.
Do not clean the machine by using metal or
abrasive devices, such as steel wool, metal
brushes, needles, etc. or general detergents
(alcohol, solvents, etc.)
When necessary, use special detergents
for coffee machines that can be bought in
specialized service centres.
11.1. Daily (Fig.11)
Use a clean cloth or sponge that does not leave any
lint (preferably cotton or linen).
● Carefully clean the outside surface, following the grain
of the satin finish on the parts in stainless steel.
● Clean the steam wand and hot water outlet and
check that the nozzles are not encrusted (if they
become encrusted, be careful not to deform or
damage them).
● Clean the outlets and the seals under the casing of
the group heads using the special brush supplied
(Fig.12).
● Remove the filter-holders and remove the filter
and the clamp which secures the filter, use a bru-
sh to remove any coffee deposits and rinse with
hot water in order to dissolve any coffee bean oil
residue.

11.2. Weekly

Operations to be carried out with the machine
operative and under pressure.
● Assemble the filter membrane supplied with the
machine onto the filter-holder, and add a spoonful
of detergent powder for coffee machines, then as-
semble the filter-holder in the set to be cleaned.
● Operate the coffee dispenser button for about 30
seconds.
● Stop and start the dispenser function until clean
water begins to descend from the unit discharge
pipe.
● Dismantle the filter-holder, remove the filter mem-
brane, re-assemble the filter holder onto the unit
and then undertake the dispensing operation
several times in order to rinse.
● Make a coffee in order to eliminate any unpleasant
tasting residues.
Automatic washing (available only on S
models)
● Enter the automatic washing mode by keeping the
coffee dispensing button pressed for at least 5s:
and the led will slowly flash alternating orange and
blue.
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