SIGNAL
FAULT
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
Faults - Possible causes - Solutions
PROBABLE CAUSE
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 page 12 and page 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 page 12 and page 18.
69 - Nozzle or filter dirty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Replace
70 - Unsuitable nozzle delivery or angle . . . . . . . . . . . . . . . . See recommended nozzles, page 11
71 - Loose nozzle. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Tighten
72 - Impurities on flame stability spiral . . . . . . . . . . . . . . . . . . Clean
73 - Erroneous head adjustment or not enough air . . . . . . . . Adjust, see page 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
Tab. G
6080