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PROBLEM /POSSIBLE CAUSE / SOLUTION
PROBLEM
POSSIBLE CAUSE
SOLUTION
Burner doesn’t
operate.
a) Lack of contact in the boiler thermostat
connections.
b) Fuse may be blown.
c) Discontinuity in grounding.
d) No power supply to the burner.*
e) Boiler thermostat is not properly adjusted*
f) Control unit does not operate.
a) Check
b) Check
c) Check
d) Check
e) Readjust
f) Check
Burner starts, but
gives a fault signal
at starting rate
a) Pump doesn’t deliver fuel or its pressure is low
b) No ignition.
c) Photocell does not sense correctly.
d) Photocell is dirty .
e) Photocell does not work.
f) Nozzle is clogged.
g) Solenoid valve does not operate or it has a fuel
leak.
h) Control unit has failed.
i) Nozzle holder is defective.
a) Check and increase the pressure
b) Check
c) Replace
d) Clean
e) Replace
f) Clean
g) Replace
h) Replace
i) Replace
Fuel is available,
but no ignition.
a) Dirty nozzle
b) Ignition spark or flame fails due to the high
velocity of air flow.
c) Ignition transformer is faulty.
d) Loose connection between the control unit and
ignition tranformer.
e) Ignition spark on the nozzle due to incorrect
electrode adjustment.
f) Inner cone of nozzle is damaged.
g) Excessive combustion air flow.
a) Clean
b) Reduce air flow
c) Replace
d) Check and correct
e) Re-adjust
f) Replace
g) Reduce the air flow
Burner pump does
not operate
a) Low spray pressure.
b) Fuel is dirty or contains water.
c) Pump filter is clogged.
d) Pump gaskets are broken and air is sucked into
pump.
e) Inner gears are worn and they cannot maintain
pressure.
f)Motor rotates in the wrong direction.
g)Pump has not received rotational drive from the
motor.
h) Fuel pipe is clogged.
İ) Motor speed too low.
a)Adjust
b)Replace
c)Clean
d)Replace
e)Replace
f)Correct the direction of rotation
g)Check
h)Clean
i)Check /Replace