Diagnostic Programming - Rancilio epoca Use And Maintenance

A = push-button panel/LED (pressing each button,
B
C = volumetric meter group 2
D = volumetric meter group 3
E = heater level (water charge if level is not
F = pressure transducer (heater resistance ON until
heater pressure set-point is reached)
tion.
Some of the auto-test operations involve the
dispensing of hot water and steam; take care
in order to avoid possible burns.
Push buttons A and B
and letters after being positioned on the letter cor-
responding to the component to be tested. Press C
Push-button D quits component activation.
To quit auto-test menu switch off the machine then
switch on again.
Note: Press esc to quit operations A, E and F
During auto-test, brewing will be interrupted and the
heater will not be fed (except for test F).

10.3. Diagnostic programming

Electronic card E 06 allows the operation of dia-
gnostic programming with which possible machine
failures or malfunctions can be signalled.
of the machine (a descriptive label of the auto-test
function is attached to the inside of the panel).
As the use of diagnostic programming is car-
ried out on the open machine, take care not
to touch the parts under voltage).
at the centre of the electronic card.
Electronic card E 06 allows the operation of dia-
gnostic programming with which possible machine
failures or malfunctions can be signalled.
of the machine (a descriptive label of the auto-test
function is attached to the inside of the panel).
58
As the use of diagnostic programming is carried out
on the open machine, take care not to touch the parts
under voltage).
at the centre of the electronic card
Possible failures in course are indicated on the
1
2 = Time-out Heater pressure set-point: the time
-
limit to reach heater pressure set-point has been
exceeded
3 = Electronic card 12Vdc short: short circuit in the
electronic card E 06
4
5 = Pressure transducer 12Vdc short: pressure tran-
6 = Volumetric counter 12Vdc short: short circuit on
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
transmitting impulses to the electronic card.
B = Absence of volumetric counter impulses group 2:
the volumetric counter of the second group is not
-
transmitting impulses to the electronic card. (*).
C = Absence of volumetric counter impulses group
3: the volumetric counter of the third group is not
transmitting impulses to the electronic card (*).
machine utilisation. Apart from the failure being in-
malfunction.
After having identified and resolved the failure,
- switch the machine off and then on again for normal
utilisation.
NOTE:
and C do not interrupt the functions of the machine.
sing from the corresponding group, the LED of the
-
A, B
-