Displaying In Info Mode - Biasi Advance Plus 25C ERP User Manual And Installation Instructions

Fig. 3.5
In order to reset good function-
ing of the boiler, call a competent
and responsible Service Engi-
neer.
Noise due to air bubbles are heard during
operation
You should check that the pressure on the
pressure gauge is not below the correct set-
ting.
If required, top up the system correctly, as
described in the section "Refilling procedure"
to page 12 of this manual. Bleed any air pre-
sent in the radiators, if necessary.
The pressure has gone down
It is necessary to top up the appliance with
water again, so as to raise the pressure to an
adequate level as described in the section
"Refilling procedure" to page 12 of this man-
ual. If topping up with water has to be done
very frequently, have the system checked for
leaks.
Water comes out of the pressure relief
valve
Check on the pressure gauge that the pres-
sure in the central heating circuit is not close
to 3 bars. In this case, temperature rise in the
circuit can cause the pressure relief valve to
open. So that this does not happen and to
decrease the pressure to a normal value, it
- 20 -
USEFUL ADVICE
is advisable to vent some of the water in the
appliance through the bleed valves present
in the radiators.
Reduced domestic hot water temperature
The likely causes may be impurities caught
in the domestic hot water flow switch filter or
limescale deposited in the domestic hot wa-
ter heat exchanger. It is advisable to have
the appliance cleaned out by an Authorised
Service Centre Engineer.
Water should occasionally leak from the
boiler
Shut off the valves positioned under the boil-
er to page 17 and call an Authorised Service
Centre Engineer.
3.7
The INFO mode allows the display of some
information on the boiler functioning status.
In case of malfunctioning of the boiler, it may
be useful to communicate such information
to the Authorised Service Centre Engineer
so that the causes can be understood.
In order to access the INFO mode, press
keys 14 and 16 (Fig. 3.6) at the same time
until the letter di appears on the display that
alternates with a code (Fig. 3.7).
In this case or in case of prob-
lems other than those mentioned
here, switch off the boiler, as de-
scribed in section "Extinguish-
ing" to page 17 and call a compe-
tent and responsible Service
Engineer.

Displaying in INFO mode