Control Panel Electronic P.c.b; Function; Normally Information - Biasi ADVANCE 15OV Service Manual

7 CONTROL PANEL ELECTRONIC P .C .B .

7 .1 Function

D
Figure 7 .1
A C.H. temperature increase key
B C.H. temperature reduce key
C Reset/Stand-by/Winter/Summer key
D Display
The Control panel electronic p.c.b. can give to the service 3 lev-
els of informations:

• Normally information

• Info modality
• Function modes setting modality
7 .2 Normally information
KEY
The symbol indicates that the boiler can be di-
RESET
rectly reactivated by the user, by pressing the
reset button.
The symbol indicates that the fault requires in-
tervention on behalf of specialised technical as-
sistance.
All symbols represented with lines that surround
them, indicate that the symbol is flashing.
SIGNAL DISPLAYED BY THE LCD
LCD FUNCTION
Er 01 + RESET Lack of burner ignition on safety lockout
Er 02 + RESET Safety thermostat intervention lockout
Er 03 + RESET General lockout
Faulty primary circuit (no water or ab-
Er 04 +
sence of flow)
Er 05 + Faulty fan control system
Er 06 + Faulty C.H. temp. probe NTC
Er 08 + Faulty external temp. probe NTC
Er 09 + Faulty flue temp. probe NTC
Er 10 + RESET Flue probe intervention lockout
Flame detection error (An flashing + er-
ror flashing number)
Er 11 + RESET Flame detection error
Faulty central heating temp. probe NTC
Er 12 +
(return)
Differential between the flow and return
Er 13 +
is too close
- 20 -

CONTROL PANEL ELECTRONIC P.C.B.

A
B
C
LCD FUNCTION
Faulty pump or primary temperature
Er 14 + RESET
above 105° C
None or too low water flow; Faulty pump
Er 15 + RESET (temp. difference between probes higher
than 35° C)
Possible exchange of NTC probes (Flow
Er 16 + RESET or Return) or pump wrongly mounted
(upside – down)
Faulty c.h. temp. probe NTC (Flow or
Er 17 + RESET
Return)
Faulty primary circuit (no water or ab-
Er 18 + RESET
sence of flow)
Er 25 + RESET Flame detection error
Er 69 Wiring error lockout
Boiler Stand-By, hyphens are turned on
in sequence to simulate running /anti-
freeze protection activated)
Boiler waiting for heat request
Boiler in winter mode
The primary circuit temperature is dis-
played.
Boiler on demand for C.H. power.
Burner ignition (spark)
Flame present (Burner on)
Boiler in anti---freeze phase (bP flashing
+ temperature flashing)
Boiler in antifrost phase (AF flashing +
temperature flashing)
Set C.H. (all other symbols are disabled)
Remote control connected (one flash
every 4 sec.)
Pump activated for the post---circulation
phase (Po flashing + temperature flash-
ing)
Delayed burner ignition for setting the
system (uu flashing + temperature flash-
ing)
Maintenance required
The wrench symbol is flashing (without
showing any error)