Info Modality; Function Modes Setting Modality; Removal Of The Control Panel Electronic P.c.b; Removal Of The Interface Electronic P.c.b - Biasi ActivA Plus Service Manual

Wall hung, fanflue, roomsealed, high efficiency gas boiler
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10.3 Info modality

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 Author-
ised Service Centre Engineer so that the causes can be under-
stood.
In order to access the INFO mode, press keys A (Figure 10.1) the
index J00 and the value of the parameter appear on the display
(Figure 10.2).
Figure 10.2
To scroll the values press B (reduce) and A (increase). keys (Fig-
ure 10.1). In order to exit the INFO mode, hold keys A and C (Fig-
ure 10.1) pressed at the same time. The following table gives de-
tails of each parameter and the possible value that can be show.
Value visualised
Primary circuit pressure
External temperature
. FXUYH YDOXH FRQ¿JXUHG LQ ORFR
Offset climatic curve value
Calculated heating set point (with climatic curve
RU VHW FRQ¿JXUHG
Temperature NTC delivery
Temperature NTC return
Domestic set
Temp. Dhw inlet (if foreseen)
Temp. Dhw output
Dhw capacity
Flue temperature (if foreseen)
Fan speed (if foreseen)
Pressure transducer pressure (if foreseen)
Ionization value
Number of months to maintenance
3 star status
(ON=01, OFF=00)
HWCH Hardware code high
HWCL Hardware code low
SWCH Software code high
SWCL Software code low

10.4 Function modes setting modality

It is possible to select the various boiler control function modes
hereafter named "parameters" by using the keys of the control
panel p.c.b.
During the function modes setting, the boiler does not operate.
To get in function modes setting modality see section 9.4
CONTROL PANEL ELECTRONIC P.C.B.
Index
J00 + value
J01 + value
J02 + value
J03 + value
J04 + value
J05 + value
J06 + value
J07 + value
J08 + value
J09 + value
J10 + value
J11 + value
J12 + value
J13 + value
J14 + value
J15 + value
J16 + value
J17 + value
J18 + value
J19 + value
J20 + value
10.5 Removal of the control panel electronic
p.c.b
Warning: isolate the boiler from the mains electrici-
ty supply before removing any covering or compo-
nent.
1 Remove all the body panels (see section 2.2).
2 Gain access to the parts located inside the Control panel elec-
tronic p.c.b. as explained in the section 2.3 of this manual.
3 Remove all the wiring M connected to the Control panel elec-
tronic p.c.b. (Figure 10.3).
K
M
Figure 10.3
4 Unscrew the screws L and K.
5 Remove the Control panel electronic p.c.b.
6 Reassemble the Control panel electronic p.c.b. carrying out
the removal operations in the reverse order.

10.6 Removal of the interface electronic p.c.b

Warning: isolate the boiler from the mains electrici-
ty supply before removing any covering or compo-
nent.
1 Remove all the body panels (see section 2.2).
2 Gain access to the parts located inside the Interface elec-
tronic p.c.b. as explained in the section 2.3 of this manual.
3 Remove all the wiring N, S, O e P connected to the Interface
electronic p.c.b. (Figure 10.4).
L
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