Riello RLS 28 Installation, Use And Maintenance Instructions page 46

Problems - Causes - Remedies signalled by LED indicators
Error / RFGO LED lock-out codes
No. Faults
Operation
LED ● = ON
Icon
1 Post-diagnostics fault
2 Local reset
3 Combustion air fan fault
4 Supervisor processor diagnostics fault
5
FR- NO Flame at the end of the 2
safety time (MTFI)
6 FR: internal circuit fault
7 Internal communication fault
8 Remote reset
9 FR: internal fault
10 Main processor fault
11 Data memory test fault
12 Data memory test fault
13 Mains voltage or frequent fault
14 Internal processor fault
15 Internal processor fault
16
st
No flame: 1 safety time (PTFI)
17 Wiring fault
18 Safety relay fault
19 Combustion airflow switch fault in the
rest position
20
UV: no flame at the end of the 2
safety time (MTFI)
21 Safety relay fault
22 Supervisor processor fault
23 Supervisor memory test fault
24 Flame loss during the operation
(AUTO)
25 Supervisor processor data memory
fault
26 Supervisor processor internal fault
27 Not used
28 Not used
29 Operating temperature out of range
30 Code memory fault
31 FR: external short circuit
32 Check mode timeout (manual)
33 False flame in stand-by mode
34 Not used
35 Internal processor timeout
36 Internal processor timeout
37 Combustion air check timeout
38 Internal processor timeout
39 Internal processor timeout
40 Internal hardware fault
41 Internal hardware fault
42 Main processor fault
43 Supervisor processor fault
44 Supervisor processor timeout
45 Off-specification mains voltage
20165123
LED 1 LED 2
Open
Fan
damper
S9740 S9741
●
●
● ●
nd
●
●
● ●
●
●
● ●
●
●
● ●
●
●
● ●
nd
●
●
● ●
●
●
● ●
●
● ●
●
●
●
●
● ●
●
●
● ●
●
●
44 GB
LED 3 LED 4 LED 5
Closed
Auto Ignition
damper
S9742 S9743
●
●
●
●
●
●
●
●
● ●
● ●
● ●
● ●
●
●
●
●
●
●
●
●
● ●
● ●
●
●
●
●
●
●
●
●
● ●
● ●
● ●
LED 6 LED 7
Flame Status
S9744 S9745 S9746
Red
Red
Red
Red
Red
Red
Red
Red
Red
Red
Red
Red
Red
Red
Red
● Red
● Red
● Red
● Red
● Red
● Red
● Red
● Red
● Red
● Red
● Red
● Red
● Red
● Red
● Red
● Red
● Red
● Red
● Red
● Red
● Red
● Red
● Red
● Red
● Red
● Red
● Red