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LCD
FUNCTION
Faulty external temp.
E08
+
probe NTC (with K set).
Faulty flue temp. probe
E09
+
NTC.
Flue probe intervention
E10
+
lockout.
Flame detection error
(An flashing + error
flashing number).
Faulty c.h. temp. probe
E12
+
NTC (return).
DT delivery-return >
E13
+
40K.
Faulty pump or primary
E14
temperature
+
105°C.
Absence of flow from
E14
temperature
+
(>2K/s).
Faulty
E19
+
probe inlet.
Lack of communication
E50
with the remote con-
+
nected to zone 2.
E69
Wiring error lockout.
+
Failure of the solar con-
E98
+
troller.
E99
Boiler not configured.
+
Primary circuit temp.
L 01
limit during D.h.w. op-
eration.
Boiler Stand-By, hy-
phens are turned on in
sequence to simulate
running (antifreeze pro-
tection activated).
- 12 -
APPLIANCE DESCRIPTION
above
gradient
d.h.w.
temp.
LCD
FUNCTION
In the case of incorrect
pressure the value is
visualised with a flash-
ing symbol.
When
achieved the symbol
remains on for 15 s and
then disappears.
Flashing:
Pump activated for the
post-circulation phase
(Po flashing + tempera-
ture flashing).
Boiler
phase (bP flashing +
temperature flashing).
Boiler on demand for
d.h.w. power.
The d.h.w. temperature
is displayed.
Boiler requesting heat-
ing power and remote
control connected.
Set c.h.
(all other symbols are
disabled).
Set D.h.w.
(all other symbols are
disabled).
pressure
is
high pressure > 2.8
bar ON, 2.6 bar OFF;
intermediate
pres-
sure
0.15 < P < Pon rising
0.15 < P < (Pon-0.2)
decreasing;
pressure critical
0.00 < P < 0.15 bar.
in
anti-freeze
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