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7.
MACHINE FUNCTION MESSAGES
DISPLAY AND KEY
INDICATIONS
At the time of the diagnosis the
DIAGNOSIS OF ERROR
system presents faults within
On reaching delivery time
limit (120 seconds) the dos-
DELIVERY ERROR
er doesn't send out its set
If the doser doesn't send
out its set commands within
DOSER ERROR
the first three seconds from
If after 90 sec of machine
LEVEL ERROR
functioning the water level
When the machine's tem-
PRESSURE ERROR
perature is higher than
Incorrect
OVER-CURRENT ERR.
caused by a malfunction in
one of the machine charges.
The machine registers val-
FINE GRINDING
ues different from the set
The machine registers values
COARSE GRINDING
CAUSE
If after 90 sec of machine
functioning the water level
the control unit EPROM.
The display is blinking as
the "continuous" button in
commands.
If the delivery isn't manually
halted, the maximum time
limit (120 sec) will be blocked.
delivery onset.
The display indicator will flash
on and off. The pump is de-ac-
tivated. The resistor and all the
is not re-established.
The display indicator will
flash on and off and the re-
130°C.
The display reading will flash.
electrical
input
The pump will switch off. The
heating element and all other
functions will be disabled.
A much longer delivery time.
values.
A much shorter delivery
different from the set values.
EFFECT
is not re-established.
Press the RESET key or
one of the keys ▲ ▼.
its group.
Press the RESET key or
one of the keys ▲ ▼.
Turn the machine off and
then turn it on again. All its
functions will be re-activated..
functions are halted.
The system will be re-estab-
lished as soon as the tem-
sistor is de-activated.
perature goes below 130°C.
Switch off the machine and
send for a specialist techni-
Modify grinding degree and
press the key RESET or
one of the keys ▲ ▼.
Press the RESET key or
time.
one of the keys ▲ ▼.
SOLUTION
The boiler is provided with a
manual refitting safety ther-
mostat; if the resistor is not
re-established, call a quali-
fied technician
cal engineer.
By leaving the machine in
the programming state, with-
in 10 minutes from the last
selection, the system will
return to the previous con-
figuration and the display will
indicate its re-establishment
of normal functioning.
NOTES
61
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