34
Type
No.
Description
Range
U/M
Step
Default
PAR
24
External relay 2 function
0 = not used; 1 = remote alarm NO; 2 = remote alarm NC; 3 = zone
valve; 4 = automatic filling; 5 = external request; 6 = recirculation
pump; 7 = zone valve with OT; 8 = relaunch pump
0 .. 8
-
-
0
PAR
25
Auxiliary TA function
0 = according to TA
1 = TA Antifreeze
2= domestic hot water disabled
0 .. 2
-
1
0
PAR
26
Zone Valve / Pump Relaunch Delay
0 .. 99
Min
1
1
PAR
28
-
-
-
-
-
PAR
29
-
-
-
-
-
PAR
30
-
-
-
-
-
PAR
35
Digital / analogue Pressure switch
0 = water pressure switch
1 = water pressure transducer
2 = water pressure transducer (only pressure displayed)
0 .. 2
-
1
1
PAR
40
Modulating Pump Speed
-- = No modulation
AU = Automatic 30
.. 100
%
10
AU
PAR
41
∆T Modulating pump delivery/Return
10 .. 40
°C
1
20
PAR
47
System pump forcing (only in winter mode)
0 = Disabled
1 = Enabled
0 .. 1
-
1
0
RESET
PAR
48
INST Parameter set to default
0 .. 1
-
-
0
In the event of a fault/malfunction the message
"ALL"
will
appear on the display with the alarm number eg.
"ALL 04"
(Domestic Hot Water Sensor Fault).
Before repairing the fault:
– disconnect the appliance from the mains power by setting the
main switch to "OFF"
OFF
Fig. 42
– as a precautionary measure, close the gas isolation valve.
Repair the fault and start-up the boiler again.
NOTE:
after having repaired the fault, when the alarm number
appears on the display together with the message
d
(see figure), press the button
y
for approximately 3 seconds
to start the appliance up again.
9.5
Fault / malfunction codes
Type
No.
Description
ALL
02
Low water pressure in system
ALL
03
High water pressure in system
ALL
05
Delivery sensor fault
ALL
06
No flame detection
ALL
07
Dual sensor intervention
ALL
08
Fault in the flame detection circuit
ALL
09
No water circulating in the system
ALL
10
Auxiliary sensor fault
ALL
11
Gas valve modulator disconnected
ALL
12
Incorrect configuration of the open /sealed chamber
ALL
17
Fault regarding maximum deviation between the 2
NTC heating sensors
ALL
28
Maximum number of consecutive releases
ALL
37
Fault due to low network voltage
ALL
40
Incorrect network frequency detected
ALL
41
Flame loss more than 6 consecutive times
ALL
42
Button fault
ALL
43
Open Therm communication fault
ALL
44
Anomaly inside electronic board
ALL
62
The self-calibrating procedure must be carried out
ALL
72
Incorrect positioning of the delivery sensor
ALL
74
Fault in the 2nd element of the delivery sensor
ALL
80
Anomaly in gas valve control line
ALL
81
Block due combustion during start-up
ALL
83
Irregular combustion (temporary error)
ALL
88
Anomaly inside electronic board
ALL
96
Block due to clogging in smoke outlet
Summary of Contents for BRAVA SLIM 30 BFR
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