Riello DB 12 SM C03 TC FS1 FB A0 Installation, Use And Maintenance Instructions page 66

PROBLEM
Firing with pulses
20119882
Faults - Possible causes - Solutions
POSSIBLE CAUSE
• Head badly adjusted. . . . . . . . . . . . . . . . . . . . . . . . .Adjust it properly
• Fan air damper badly adjusted. Too much air. . . . . .Adjust it
• Firing output too high. . . . . . . . . . . . . . . . . . . . . . . .Reduce it
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RECOMMENDED REMEDY
GB
Tab. M