Riello 663 M - Page 40

20167399
38
GB
Problems - Causes - Remedies signalled by LED indicators
Tab. P
55 Internal processor fault Internal fault Replace the control device
56 UV: false flame during operation False flame detected before ignition Check the scanner
57 FR: false flame during operation False flame detected before ignition Check the wiring
Check the scanner
Make sure that earthing is appropriate
58 T8 inlet fault The system detected the presence of
voltage on T8 at the wrong moment or there
is no voltage when necessary
Check the wiring
Check the actuator
59 Internal hardware fault Internal fault Replace the control device
60 Local reset fault Local reset button pressed for more than 10
seconds or reset button locked
If the problem persists, replace the control
device
61 Open POC fault The fuel valve is open at the wrong moment Check the wiring
62 UV: strong UV flame fault The scanner is too close to the flame Increase the distance between the scanner
and the flame OR use an orifice to reduce
the view field
63 Internal hardware fault Internal fault Replace the control device
No. Faults Cause Solution