Lcd General Features - Biasi Activ A 18S User Manual And Installation Instructions

1.4

LCD general features

For the boiler technical informations refer to
the section "TECHNICAL INFORMATION"
to page 20 .
RESET
Fig. 1.4
KEY
The symbol indicates that the
boiler can be directly reactivat-
ed by the user, by pressing the
reset button
The symbol indicates that the
fault requires intervention on
behalf of specialised technical
assistance
All symbols represented with
lines that surround them, indi-
cate that the symbol is fl ashing
SIGNAL DISPLAYED BY THE LCD
LCD FUNCTION
Lack of burner ignition
Er 01
+
on safety lockout
Safety thermostat
Er 02
+
intervention lockout
Er 03
General lockout
+
Flue probe intervention
Er 10
+
lockout
Er 11
Flame detection error
+
- 10 -
APPLIANCE DESCRIPTION
SET
°C
LCD FUNCTION
Faulty pump or primary
Er 14
temperature above
+
105°C
Faulty primary circuit
Er 04
(no water or absence
+
of fl ow)
Faulty fan control
Er 05
+
system
Faulty c.h. temp. probe
Er 06
+
NTC
Faulty external temp.
Er 08
+
probe NTC
Faulty fl ue temp. probe
Er 09
+
NTC
Absence of fl ow from
Er 14
temperature gradient
+
(>2K/s)
Primary circuit temp.
limit during D.h.w.
Li 01
operation
Boiler Stand-By
(anti-freeze protection
activated)
Boiler waiting for heat
request
Boiler in winter mode
The primary circuit
temperature is dis-
played.
Boiler on demand for
c.h. power.
Burner ignition
(spark)
Flame present
(Burner on)