Lcd General Features - Biasi M300V.2025 SM User Manual And Installation Instructions

1.4

LCD general features

For the boiler technical information refer to
the section "TECHNICAL INFORMATION"
on page 24.
Fig. 1.4
KEY
All symbols with lines radiat-
ing from them indicate that the
symbol is flashing.
Stays on: D.H.W. function ena-
bled.
Flashing: D.H.W. function in
progress.
Constantly illuminated: solar
control unit connected.
Flashing: solar pump operat-
ing.
Stays on: heating function en-
abled (winter).
Flashing: heating function in
progress.
Constantly illuminated: 3 star
preheating function active.
Flashing: 3 star preheating
function in progress.
Stays on: for 15s only after
system loading.
Flashing: in the case of low
system pressure or if viewing
the pressure from the INFO
menu.
- 10 -
APPLIANCE DESCRIPTION
Stays on: flame present
Flashing: drain upon ignition in
progress.
Stays on: maintenance due
A
pre-warning.
Flashing:
quired or maintenance due.
Stays on: lockout error. The
b
boiler can be restarted by the
user, by pressing the reset but-
ton.
Stays on: remote control con-
nected.
Flashing: request from remote
control in progress.
SIGNAL DISPLAYED BY THE LCD
LCD FUNCTION
b
Safety lockout due to
E01 +
failed ignition.
b
Lockout due to safety
E02 +
thermostat.
b
E03 +
Generic lockout.
Pump circulation fail-
ure, insufficient system
A
E04 +
pressure or water pres-
sure sensor not con-
nected.
A
Control anomaly:
E05 +
fan.
A
NTC heating delivery
E06 +
probe failure.
D.H.W. NTC probe fail-
A
E07 +
ure / Hot water tank
sensor failure.
maintenance re-