Edition 01 of 08/2017
6.7
SERVICE MANUAL
°C°C °C °C
Boiler sensor error 2 CC
21 MarchSunday 14:45
Fig. 159
Fig. 160
If the probe is damaged it may short circuit. In
this case the message displayed will be:
“Heater probe error X CC”.
SOLUTION
Replace the probe.
If the value displayed, detected by the probe,
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 tem-
perature water, common limestone problems do
not excessively affect the temperature probe. In
fact, it is unlikely that the limestone will inhibit the
operation of the probe, but more likely it will slow
its capability: a probe covered with limestone
becomes less sensitive to temperature changes.
SOLUTION
1 Follow the entire route of the probe up to
the data collector and check that the cable
is intact;
2 Replace the probe;
3 Check for any damage to the flat cable that
connects the probe collector to the control
unit.
In cases like this in which there are no significant
changes that place the heater under stress, the
probe must be removed and controlled for the
presence of limestone.
To remove the probe, simply use a No. 12
wrench.
Remove calcification with appropriate products.
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