Displaying In Info Mode - Biasi Advance Plus 16S User Manual And Installation Instructions

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 de-
scribed in section "Refilling procedure" to page
12 of this manual. Bleed any air present in the
radiators, if necessary.
The pressure on the pressure gauge has
gone down
It is necessary to top up the appliance with wa-
ter again, so as to raise the pressure to an ad-
equate level as described in the section "Re-
filling procedure" to page 12 of this manual.
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 is
advisable to vent some of the water in the ap-
pliance through the bleed valves present in the
radiators.
Water should occasionally leak from the
boiler
Shut off the valves positioned under the boil-
er to page 15 and call an Authorised Service
Centre Engineer.
In this case or in case of problems
other than those mentioned here,
switch off the boiler, as described
in section "Extinguishing" to page
15 and call a competent and re-
- 18 -
USEFUL ADVICE
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
11 and 13 (Fig. 3.5) at the same time until the
letter di appears on the display that alternates
with a code (Fig. 3.6).
Fig. 3.5
Fig. 3.6
To scroll the values press 12 (reduce) and
13 (increase). keys. In order to exit the INFO
mode, hold keys 11 and 13 (Fig. 3.5) pressed
sponsible Service Engineer.

Displaying in INFO mode

14
11
13
12