37
BENTONE
Symptom Causes Remedies
Burner does not start Fuse blown Check and replace fuse as
necessary. Investigate cause of
fault
Boiler thermostat has not reset
Adjust thermostat
Preheater does not get up to
temperature
Check preheater function
Reset the overheating protection.
Investigate the cause of its
deploying.
Remedy fault
Burner pre-ventilates Overheating protection has
deployed
Defective preheater
Check by replacing with new
Defective oil burner control or
ame monitor
Check that tank, oil lines, solenoid
valves, pump and nozzle are in
good condition
Burner stops No oil supply
Too great a pressure drop at
brake plate
Adjust the burner
Too strong draught prevents
ame forming
Correct the boiler draught
No spark Check the ignition transformer.
Check the ignition electrode
settings and ceramics
Preheater temperature too low Check preheater function
New oil type Adjust the preheater‘s set
operating temperature
Check that the oil used has the
physical parameters that the
burner is rated for.
If not, change the oil.
8.2 Burner will not start after normal use
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