Checking The Ignition Device - Biasi ADVANCE 25S User Manual

The LCD display displays the boiler tem-
perature (primary circuit) and the
symbol; the symbol slowly flashes Fig.
7.11.
Fig. 7.11
• Open the gas cock.
• Make sure that the ambient thermostat is
in the "heat request" position".
• Check the correct functioning of the boiler.
• Check the gas pressures and flow rates
as shown in section "GAS CONVER-
SION" on page 66 of this booklet.
• Check that the condensate produced dur-
ing operation fills the syphon and is regu-
larly drained in the draining pipe.
• Switch off the boiler by pressing the 12
(Fig. 7.10) key for 2 seconds until the
symbol appears on the LCD dis-
play (Fig. 7.9).
• Press the 12 key for 2 seconds until
symbol appear on the display Fig. 7.10.
The LCD display displays the boiler tem-
perature (primary circuit) and the
symbol; the
Fig. 7.11.
The boiler will now go through an ignition
sequence and the burner will light.
If after four ignition attempts (about four
minutes) the boiler does not function and a
code that alternates between the letter Er
and the writing RESET appear on the LCD
display, it indicates that the safety lock-out
has stopped the boiler. The display back-
ground flashes (Fig. 7.12).
COMMISSIONING
°C
symbol slowly flashes
RESET
RESET
Fig. 7.12
Press the reset key on the boiler control
panel 12 (Fig. 7.10) to reset its functioning.
For the first lighting up and following main-
tenance procedures for the gas supply, it
may be necessary to repeat the resetting
operation several times so as to remove the
air present in the pipework.
After five consecutive resetting attempts the
reset button is inhibited. To restore its func-
tion it is necessary to switch the boiler off
and on from the electrical mains, using the
fused spur isolation switch fitted adjacent to
the appliance.
7.9

Checking the ignition device

With the burner on high flame close the gas
cock.
After four ignition attempts (about four min-
utes) the boiler does not function and a
code that alternates between the letter Er
and the writing RESET appear on the LCD
display, it indicates that the safety lock-out
has stopped the boiler. The display back-
ground flashes (Fig. 7.13).
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