Riello RL 70/M Instrucciones De Instalación, Funcionamiento Y Mantenimiento página 30

SYMBOL (1) FAULT
Smoke in flame - dark Bacharach
Dirty combustion head
During operation, the burner stops
I
in lock out
When the burner does not fire or comes to a halt following a fault, the symbol which appears on control box 24)(Fig. 1 page 7)
(1)
indicates the type of problem.
The fuse is located in the rear part of the control box 24)(Fig. 1 page 7). A pull-out fuse is also available as a spare part which can
(2)
be fitted after breaking the tang on the panel which holds it in place.
2915996
56 - Not enough air . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
57 - Nozzle worn or dirty. . . . . . . . . . . . . . . . . . . . . . . . . . . .
58 - Nozzle filter clogged . . . . . . . . . . . . . . . . . . . . . . . . . . .
59 - Erroneous pump pressure . . . . . . . . . . . . . . . . . . . . . . .
60 - Flame stability disk dirty, loose, or deformed. . . . . . . . .
61 - Boiler room air vents insufficient . . . . . . . . . . . . . . . . . .
- yellow Bacharach 62 - Too much air . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
63 - Nozzle or filter dirty . . . . . . . . . . . . . . . . . . . . . . . . . . . .
64 - Unsuitable nozzle delivery or angle. . . . . . . . . . . . . . . .
65 - Loose nozzle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
66 - Impurities on flame stability disk . . . . . . . . . . . . . . . . . .
67 - Erroneous head adjustment or not enough air . . . . . . .
68 - Blast tube length unsuited to boiler . . . . . . . . . . . . . . . .
69 - Dirty or defective flame sensor . . . . . . . . . . . . . . . . . . .
Maintenance
PROBABLE CAUSE
28 GB
SUGGESTED REMEDY
Adjust head and fan gate
Replace
Clean or replace
Adjust
Clean, tighten in place, or replace
Increase
Adjust head and fan gate
Replace
See recommended nozzles
Tighten
Clean
Adjust, open air damper
Contact boiler manufacturer
Clean or replace