Riello RL 190 TL Instrucciones De Instalación, Uso Y Mantenimiento página 27

SIGNAL FAULT
7 led blinks Flame detachment
The burner does not
pass to 2nd stage
Fuel passes to 2nd stage
but air remains in 1st
Burner stops at transi-
tion between 1st and 2nd
stage or vice versa.
Burner repeats starting
cycle
Uneven fuel supply
Rusty pump internal
parts
Noisy pump, unstable
pressure
Pump unprimes after
prolonged pause
Pump leaks light oil
Smoke in flame - dark
Bacharach - yellow
Bacharach
Dirty combustion head
10 led blinks The burner goes to lock-
out
Maintenance
PROBABLE CAUSE
34 - Poorly adjusted head . . . . . . . . . . . . . . . . . . . . . . . . . . . Adjust, see pag. 12, Fig. 13
35 - Poorly adjusted or dirty firing electrodes. . . . . . . . . . . . . Adjust, see pag. 12, Fig. 9 or clean
36 - Poorly adjusted fan air gate: too much air . . . . . . . . . . . Adjust
37 - 1st nozzle is too big (pulsation). . . . . . . . . . . . . . . . . . . . Reduce 1st nozzle delivery
38 - 1st nozzle is too small (flame detachment). . . . . . . . . . . Increase 1st nozzle delivery
39 - 1st nozzle dirty, or deformed. . . . . . . . . . . . . . . . . . . . . . Replace
40 - Inappropriate pump pressure . . . . . . . . . . . . . . . . . . . . . Adjust to between 10 - 14 bar
41 - 1st stage nozzle unsuited to burner or boiler . . . . . . . . . See Nozzle Table, pag. 11 ; reduce 1st stage
42 - Defective 1st stage nozzle . . . . . . . . . . . . . . . . . . . . . . . Replace
43 - Control device TR does not close . . . . . . . . . . . . . . . . . . Adjust or replace
44 - Defective control box . . . . . . . . . . . . . . . . . . . . . . . . . . . Replace
45 - 2nd stage sol. valve coil defective . . . . . . . . . . . . . . . . . Replace
46 - Low pump pressure . . . . . . . . . . . . . . . . . . . . . . . . . . . . Increase
47 - 2nd stage operation of cylinder is faulty . . . . . . . . . . . . . Change cylinder
48 - Nozzle dirty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Replace
49 - Photoresistor dirty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Clean
50 - Excess air . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Reduce
51 - Check if cause is in pump or in the fuel supply system . Feed the burner from a tank located nearby
52 - Water in tank . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Suck water from tank bottom with separate pump
53 - Air has entered the suction line. . . . . . . . . . . . . . . . . . . . Tighten connectors
- Depression value too high (higher than 35 cm Hg):
54 - Tank/burner height difference too great . . . . . . . . . . . . . Feed burner with loop circuit
55 - Piping diameter too small . . . . . . . . . . . . . . . . . . . . . . . . Increase
56 - Suction filters clogged. . . . . . . . . . . . . . . . . . . . . . . . . . . Clean
57 - Suction valves closed . . . . . . . . . . . . . . . . . . . . . . . . . . . Open
58 - Paraffin solidified due to low temperature. . . . . . . . . . . . Add additive to light oil
59 - Return pipe not immersed in fuel . . . . . . . . . . . . . . . . . . Bring to same height as suction pipe
60 - Air enters suction piping . . . . . . . . . . . . . . . . . . . . . . . . . Tighten connectors
61 - Leakage from sealing organ . . . . . . . . . . . . . . . . . . . . . . Replace pump
62 - Not enough air . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Adjust head and fan gate, see pag. 12 and pag. 18.
63 - Nozzle worn or dirty . . . . . . . . . . . . . . . . . . . . . . . . . . . . Replace
64 - Nozzle filter clogged . . . . . . . . . . . . . . . . . . . . . . . . . . . . Clean or replace
65 - Erroneous pump pressure . . . . . . . . . . . . . . . . . . . . . . . Adjust to between 10 - 14 bar
66 - Flame stability spiral dirty, loose, or deformed . . . . . . . . Clean, tighten in place, or replace
67 - Boiler room air vents insufficient . . . . . . . . . . . . . . . . . . . Increase
68 - Too much air . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Adjust head and fan gate, see pag. 12 and pag. 18.
69 - Nozzle or filter dirty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Replace
70 - Unsuitable nozzle delivery or angle . . . . . . . . . . . . . . . . See recommended nozzles, pag. 11
71 - Loose nozzle. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Tighten
72 - Impurities on flame stability spiral . . . . . . . . . . . . . . . . . . Clean
73 - Erroneous head adjustment or not enough air . . . . . . . . Adjust, see pag. 18, open gate valve
74 - Blast tube length unsuited to boiler. . . . . . . . . . . . . . . . . Contact boiler manufacturer
75 - Connection or internal fault . . . . . . . . . . . . . . . . . . . . . . .
76 - Presence of electromagnetic disturbance. . . . . . . . . . . . Use the radio disturbance protection kit
25 GB
SUGGESTED REMEDY
20054351