36
BENTONE
8. Fault Location
8.1 Burner will not start
Symptom Causes Remedies
Motor starts Unstable ame
Burner pre-ventilates Excess air Adjust the damper
Low oil pressure Check the oil pressure
Flame formed Check the nozzle in relation to the
combustion apparatus
dimensions and the ignition
electrode position
Burner trips Incorrect combustion apparatus
settings
Check the ame monitor is clean
and can register light
Motor starts Flame monitor does not register
light
Burner pre-ventilates Defective ame monitor Check with using new photocell
No ame formed Defective oil burner control Check using new oil burner
control (Note: replacement of
photocell recommended if oil
burner control replaced)
Burner trips
Check the oil supply to the burner
and that there are no air bubbles
in the pump
No oil
False light Check function of solenoid
Check ame monitor does not
register ambient light
No spark
Check high voltage wiring and
ignition electrodes
Motor does not start Preheater does not get up to
temperature. Check preheater function
165 105 09-2
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