
After Sales level - Menu INFORMATION
Parameter
Description
S/N SCU
Serial number of the SCU board
CTRL
Software version of the SCU board
S/N PCU
Serial number of the PCU board
VER.ROM
Version of the PCU PCB programme
VERS.PARAM PCU
Version of the PCU PCB parameters
MC.VERSION
(1)
Version of the boiler radio module programme
SOLAR VERS.
(1)
Solar control system software version
CALIBRA.CLOCK
(2)
Clock calibration
(1) The parameter is only displayed for the options, circuits or sensors actually connected
(2) The parameter is only displayed if
INSTALLATION
is set to
EXTENDED
8.6.1.
Control system sequence
Control system sequence
Status Sub-status Operation
0
0
Boiler stopped
1
1
Anti-short cycle activated
2
Reversal valve opening
3
Start-up of the boiler pump
4
Awaiting burner start-up
2
10
Open gas valve (External)
11
Fan start-up
13
The fan switches to the burner start-up speed
14
Check RL signal (Function not active)
15
Burner on switch request
17
Pre-ignition
18
Ignition
19
Check flame presence
20
Awaiting further action to unsuccessful ignition
3 / 4
30
Burner lit and free modulation on the boiler instruction
31
Burner lit and free modulation on a limited instruction, equal to a return temperature of +25°C
32
Burner ignited and free modulation on the boiler set point but output restricted
33
Burner lit and descending modulation following too large a rise in temperature on the exchanger (4 K in
10 seconds)
34
Burner lit and minimum modulation following too large a rise in temperature on the exhanger (7 K in 10
seconds)
35
Burner off following too large a rise in temperature on the exchanger (9 K in 10 seconds)
36
Burner lit and ascending modulation to guarantee a correct ionization current
37
Heating: Burner lit and minimum modulation after a burner start-up lasting 30 seconds
DHW production: Burner lit and minimum modulation after a burner start-up lasting 100 seconds
38
Burner lit and modulation fixed higher than the minimum after burner start-up lasting 30 seconds, if the
burner was off for more than 2 hours or after powering up
5
40
The burner will stop
41
The fan switches to post-sweeping speed on the burner
42
The external gas valve closes
43
Post-sweeping
44
Stop fan
AGC 10/15 - AGC 15 - AGC 25 - AGC 35
8. Troubleshooting
20/01/2012 - 300026081-001-B
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