13
Oil Drips from
Nozzle
Improper
Flue Gas
Temperature
Oil and Coke
Collect Around
Nozzle and
Combustion Head
Oil Burner Operation Complaints
Flame Emits
Sparks
Ignition
Electrodes
Protrude Into
Oil Spray
Loose Fitting
Nozzle
Too Low Oil
Pressure
Soot
Deposits
Excess Air
Too High
Oil Pressure
Contaminated
Nozzle
Too Low
Too High
Too Large
Oil Nozzle
Air in Oil
Pressure Pipe
Between Pump
and Nozzle
Defective
Pump Cut-off
Nozzle Too
Far Behind
Combustion
Head
Short
Circuit
Faulty
Transformer
Cracked
Insulator
Leak in
Suction
Line
Closed Valve
on Suction Line
or Installed
Wrong Direction
Broken/Seized
Pump or
Motor Coupling
Faulty Pump-
Check Valve
Suction and
Return Lines
Reversed
Faulty
Leads/
Wiring
On Shut Down
During Operation
2 Line Pump on
1 Line System
or Vice Versa
Restriction
Layer of
Soot or Oil
Tank
Empty
Pump
Rotation
Wrong
Low
Pump
Suction
Faulty
Fire
Valve
Too Low
Oil Pressure
Too Small
Nozzle
Cold Air Entry
Into Flue Pipe,
Test CO2%
Cracked Nozzle
Line or Adapter
No Spark
No Oil From Nozzle
Too High
Oil Pressure
Incorrect
Positioning
of Nozzle to
Combustion
Head
Bad Oil Cut-off
Upon Stop/Start
Defective,
Clogged or
Improperly
Assembled
Combustion
Head
Too Large or
Incorrect
Spray Pattern
Defective
Nozzle
Too Low Oil Pressure
Defective
Combustion Head
Defective Nozzle
Oil Viscosity Too High
Excessive Air
Loose Fitting
Crack
Too High
Vacuum
Dirty Oil Filters
in Pump or Nozzle
Worn Oil Pump
Leaking or Dirty Suction
Line, Check Valve
Defective Pump Coupling
Defective Pressure
Regulating Pump Valve
Oil Line Clogged
Dirty Pump Filter
Dirty Nozzle
Too High
Viscosity Oil
Crimped Line
Electrodes
Protrude in
Spray
Faulty
Chimney
Leakage
Between
Nozzle and
Fixture
Defective
Pressure
Regulating
Pump Valve
No Flame
Varying Nozzle
Output
