After Sales level - #METERS
Parameter
Description
RUNTIME REV.
Number of hours’ burner operation since the last service
NB.FLAME DISAP.
Number of flame losses
NB FAIL START
Number of incomplete burner start-ups
9.6.1.
Control system sequence
Control system sequence
Status Operation
Sub-status Operation
0
Rest
0
Standby
1
Boiler start (Heat demand)
1
Anti-short cycle activated
2
Open isolating valve
3
Boiler pump or domestic hot water start-up
4
Wait for the correct temperatures for burner start
2
Burner start up
10
Opening of the flue gas valve / Oil valve
11
Opening of the flue gas flue damper
12
Burner start up
13
Preheating
14
Pre-ignition
15
Pump modulation start-up
16
Post-ignition
17
Flame stabilisation
3
Boiler on heating service
30
Nominal internal set point
31
Limited internal set point
32
Normal output check
33
Temperature protection gradient level 1 (Modulate down)
34
Temperature protection gradient level 2 (Part load)
35
Temperature protection gradient level 3 (Blockage)
37
Temperature stabilisation time
4
Boiler operating domestic hot water
30
Nominal internal set point
31
Limited internal set point
32
Normal output check
33
Temperature protection gradient level 1 (Modulate down)
34
Temperature protection gradient level 2 (Part load)
35
Temperature protection gradient level 3 (Blockage)
37
Temperature stabilisation time
5
Burner stop
40
Burner off
41
Post-ventilation
42
Close flue damper
43
Closure of the flue gas flue damper
6
Switching off the boiler (End of heat demand) 60
Post-operation time delay on the boiler pump or domestic
hot water back-up tripped
61
Boiler pump or domestic hot water stopped
62
Close isolating valve
63
Start anti short cycle
8
Stop
0
Wait for burner start
1
Anti-short cycle activated
9
Blocking
XX
Shutdown code xx
AFC 18 - AFC 24 - AFC 30
9. Troubleshooting
09/07/2015 - 300026439-07
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