15
SIGNAL
FAULT
PROBABLE CAUSE
SUGGESTED REMEDY
No blink
The burner does not
start
1
- No electrical power supply . . . . . . . . . . . . . . . . . . . . . . . . . Close all switches - Check fuses
2
- Linmit control device TL is open . . . . . . . . . . . . . . . . . . . . . Adjust or replace
3
- Safety control device TS is open. . . . . . . . . . . . . . . . . . . . . Adjust or replace
4
- Control box lock-out. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Reset control box (no sooner than 10 s after the lock-out)
5
- Pump is jammed . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Replace
6
- Erroneous electrical connections . . . . . . . . . . . . . . . . . . . . Check connections
7
- Defective control box. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Replace
8
- Defective electrical motor . . . . . . . . . . . . . . . . . . . . . . . . . . Replace
2 led
After pre-purge and the
safety time,
the burner goes to lock-
out
and the flame does not
appear
9
- No fuel in tank; water on tank bottom . . . . . . . . . . . . . . . . . Top up fuel level or suck up water
10 - Inappropriate head and air damper adjustments . . . . . . . . Adjust, see page 6 and 11
11 - Light oil solenoid valves fail to open (1st stage or safety) . . Check connections; replace coil
12 - 1st stage nozzle clogged, dirty, or deformed . . . . . . . . . . . Replace
13 - Dirty or poorly adjusted firing electrodes . . . . . . . . . . . . . . . Adjust or clean
14 - Grounded electrode due to broken insulation . . . . . . . . . . . Replace
15 - High voltage cable defective or grounded . . . . . . . . . . . . . . Replace
16 - High voltage cable deformed by high temperature . . . . . . . Replace and protect
17 - Ignition transformer defective . . . . . . . . . . . . . . . . . . . . . . . Replace
18 - Erroneous valves or transformer electrical connections . . . Check
19 - Control box defective . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Replace
20 - Pump unprimed . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Prime pump and see “Pump unprimes”
21 - Pump/motor coupling broken . . . . . . . . . . . . . . . . . . . . . . . Replace
22 - Pump suction line connected to return line . . . . . . . . . . . . . Correct connection
23 - Valves up-line from pump closed . . . . . . . . . . . . . . . . . . . . Open
24 - Filters dirty: line - pump - nozzle . . . . . . . . . . . . . . . . . . . . . Clean
25 - Defective photocell or control box . . . . . . . . . . . . . . . . . . . . Replace photocell or control box
26 - Dirty photocell . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Clean
27 - 1st stage operation of cylinder is faulty . . . . . . . . . . . . . . . . Change the cylinder
28 - Motor protection tripped . . . . . . . . . . . . . . . . . . . . . . . . . . . Reset thermal cut-out
29 - Defective motor command control device . . . . . . . . . . . . . . Replace
30 - Missing phase thermal cut-out trips . . . . . . . . . . . . . . . . . . . . . . . Reset thermal cut-out when third phaseis re-connected
31 - Incorrect motor rotation direction . . . . . . . . . . . . . . . . . . . . Change motor electrical connections
4 led
The burner starts
and then goes into lock-
out
32 - Photocell short-circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Replace photocel
33 - Light is entering or flame is simulated . . . . . . . . . . . . . . . . . Eliminate light or replace control box
7 led
34 - Poorly adjusted head . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Adjust, see page 14, fig. (F)
35 - Poorly adjusted or dirty firing electrodes . . . . . . . . . . . . . . . Adjust, see page 14, fig. (B)
36 - Poorly adjusted fan air gate: too much air (1st stage). . . . . 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 and 14 bar
41 - 1st stage nozzle unsuited to burner or boiler . . . . . . . . . . . See Nozzle Table, page 12; reduce 1st stage
42 - Defective 1st stage nozzle . . . . . . . . . . . . . . . . . . . . . . . . . Replace
The burner does not
pass to 2nd stage
43 - Control device TR does not close . . . . . . . . . . . . . . . . . . . . Adjust or replace
44 - Defective control box. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Replace
45 - 2nd stage sol. valve coil defective. . . . . . . . . . . . . . . . . . . . Replace
46 - Piston jammed in valve unit . . . . . . . . . . . . . . . . . . . . . . . . Replace entire unit
Fuel passes to 2nd
stage
but air remains in 1st
47 - Low pump pressure. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Increase
48 - 2nd stage operation of cylinder is faulty . . . . . . . . . . . . . . . Change cylinder
Burner stops at transi-
tion
between 1st and 2nd
stage.
Burner repeats starting
cycle
49 - Nozzle dirty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Renew nozzle
50 - Photocell dirty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Clean
51 - Excess air . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Reduce
Uneven fuel supply
52 - Check if cause is in pump . . . . . . . . . . . . . . . . . . . . . . . . . . Feed burner from tank
or fuel supply system
located near burner
Internally rusted pump
53 - Water in tank . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Suck water from tank bottom with separate pump
Noisy pump, unstable
pressure
54 - Air has entered the suction line . . . . . . . . . . . . . . . . . . . . . Tighten connectors
- Depression value too high (higher than 35 cm Hg):
55 - Tank/burner height difference too great . . . . . . . . . . . . . . . Feed burner with loop circuit
56 - Piping diameter too small . . . . . . . . . . . . . . . . . . . . . . . . . . Increase
57 - Suction filters clogged . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Clean
58 - Suction valves closed . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Open
59 - Paraffin solidified due to low temperature . . . . . . . . . . . . . . Add additive to light oil
Pump unprimes after
prolonged pause
60 - Return pipe not immersed in fuel . . . . . . . . . . . . . . . . . . . . Bring to same height as suction pipe
61 - Air enters suction piping . . . . . . . . . . . . . . . . . . . . . . . . . . . Tighten connectors
Pump leaks light oil
62 - Leakage from sealing organ . . . . . . . . . . . . . . . . . . . . . . . . Replace
pump
Smoke in flame
- dark Bacharach
- yellow Bacharach
63 - Not enough air. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Adjust head and fan gate, see page 6 and 11
64 - Nozzle worn or dirty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Replace
65 - Nozzle filter clogged . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Clean or replace
66 - Erroneous pump pressure. . . . . . . . . . . . . . . . . . . . . . . . . . Adjust to between 10 - 14 bar
67 - Flame stability spirat dirty, loose, or deformed . . . . . . . . . . Clean, tighten in place, or replace
68 - Boiler room air vents insufficient . . . . . . . . . . . . . . . . . . . . . Increase
69 - Too much air . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Adjust head and fan gate, see page 6 and 11
Dirty combustion head
70 - Nozzle or filter dirty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Replace
71 - Unsuitable nozzle delivery or angle . . . . . . . . . . . . . . . . . . See recommended nozzles, page 5
72 - Loose nozzle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Tighten
73 - Impurities on flame stability spiral . . . . . . . . . . . . . . . . . . . . Clean
74 - Erroneous head adjustment or not enough air . . . . . . . . . . Adjust, see page 11; open gate valve
75 - Blast tube length unsuited to boiler . . . . . . . . . . . . . . . . . . . Contact boiler manufacturer
10 led
76 - Connection or internal fault
