Victoria Arduino EAGLE ONE PRIMA Service Manual

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6.3 TEMPERATURE PROBE
The temperature probe of the coffee boiler
permits to the control unit to know the cur-
rent temperature of the coffee boiler.
Typical values of the temperature probe
are approximately 40 kOhm at about 25°C
(room temperature) and 5 kOhm at about
90°C.
E1 PRIMA software can detect possible mal-
functions of the temperature probe.
If alarms A4 or A5 (probes alarms) are
shown on the group display, this tempera-
ture probe could be involved.
Possible solutions are:
1
Check the probe cable and its connec-
tion to the control unit
2
Replace the probe.
NOTE
For further information on the temper-
ature probe alarms, refer to Chapter 10.
If the temperature displayed in the Victoria
Arduino E1 App is extremely high or quite
unstable despite the smooth operations,
remove and replace the probe with a new
one.
Since the coffee boiler is always, full of
high temperature water, common lime-
stone problems do not excessively affect
the temperature probe. In fact, it is unlikely
that the limestone will inhibit the operation
on the probe, but more likely it will slow its
capacity: a probe covered with limestone
becomes less sensitive to temperature
changes. In cases like this in which there are
no significant changes that place the cof-
fee boiler under stress, the probe must be
removed and controlled for the presence of
limestone.
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Victoria Arduino EAGLE ONE PRIMA Specifications

General

Brand	Victoria Arduino
Model	EAGLE ONE PRIMA
Category	Coffee Maker
Language	English