Riello DB 3 LSM C13 Installation, Use And Maintenance Instructions page 57

OIL WORKING
Fault
After pre-purge and safety time,
the burner goes to lock-out and
the flame does not appear
The burner goes to lock-out right
after flame appearance
Lock out without symbol indica-
tion
During operation, the burner
stops in lock out
Lock out when burner stops
Ignition with pulsation
26
Possible cause
• Defective ignition transformer . . . . . . . . . . . . . . . . .Replace
• Erroneous valve or transformer electrical . . . . . . . .Repeat connections
connections
• Defective control box . . . . . . . . . . . . . . . . . . . . . . . .Replace
• Defective control box . . . . . . . . . . . . . . . . . . . . . . . .Replace
• Flame simulation . . . . . . . . . . . . . . . . . . . . . . . . . . . .Replace control box
• Fault on air pressure switch . . . . . . . . . . . . . . . . . . .Replace
• Flame remains in combustion head or flame . . . . . .Eliminate persistence of flame
simulation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .or replace control box
• Poorly adjusted head . . . . . . . . . . . . . . . . . . . . . . . .Adjust
• Poorly adjusted air damper, too much air . . . . . . . . .Adjust
• Output during ignition phase is too high . . . . . . . . . .Reduce
7
Maintenance
CHAPTER
Recommended remedy