Riello DB 20 SE FGR TC FS1 FB A0 T150 Installation, Use And Maintenance Instructions page 68

Problem
Burner goes into lockout during op-
eration
Lockout when the burner stops
Firing with pulses
20136081
Possible cause
Fault on air pressure switch
Maximum gas pressure switch intervention
Permanence of the flame in the combustion
head or flame simulation
Head badly adjusted
Fan damper poorly adjusted, too much air
Firing output too high
32
Recommended remedy
Replace
Adjust or replace
Eliminate flame permanence or replace control
box
Adjust it properly
Adjust it
Reduce it
GB
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