Riello DB 12 SM C03 TC A0 FS1 T250, Инструкции по установке, использованию и обслуживанию

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20126064
32 GB
Faults - Possible causes - Solutions
Tab. N
The burner continues to repeat the
start-up cycle, without lockout The gas pressure in the network is near the val-
ue on which the min. gas pressure switch is ad-
justed.
The sudden fall in pressure that follows the
opening of the valve causes the temporary
opening of the pressure switch itself immedi-
ately the valve closes and the burner stops.
The pressure starts to increase again.
The pressure switch closes and repeats the
start up cycle.
The sequence repeats endlessly. Reduce the cut in pressure of the min. gas
pressure switch. Replace the gas filter car-
tridge
Burner goes into lockout during
operation Fault on air pressure switch Replace
Maximum gas pressure switch intervention Adjust or replace
Lockout when the burner stops Permanence of the flame in the head of com-
bustion simulation of flame Eliminate the continuation of the flame or re-
place control box
Firing with pulses Head badly adjusted Adjust it properly
Fan air damper badly adjusted. Too much air. Adjust it
Firing output too high Reduce it
Problem Possible cause Recommended remedy