Riello RS 64/M MZ Installation, Use And Maintenance Instructions page 39

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
LED 1 LED 2
Open
Fan
damper
S9740
●
●
● ●
nd
●
●
● ●
●
●
● ●
●
●
● ●
●
●
● ●
nd
●
●
● ●
●
●
● ●
●
● ●
●
●
●
●
● ●
●
●
● ●
●
●
37 GB
LED 3 LED 4
Closed
Auto
damper
S9741 S9742 S9743
●
●
●
●
●
●
●
●
● ●
● ●
● ●
● ●
●
●
●
●
●
●
●
●
● ●
● ●
●
●
●
●
●
●
●
●
● ●
● ●
● ●
LED 5 LED 6 LED 7
Ignition Flame Status
S9744 S9745
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
20169372
S9746