CTC Union CTC 380 IC, Installation And Maintenance Instruction Manual

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Burner pulsates at start with
hot fl ue gases
Burner pulsates at start
10. FAULT LOCATION
10.1 Burner will not start
Symptom
Motor starts
Burner pre-ventilates
Flame formed
Burner trips
Motor starts
Burner pre-ventilates
No fl ame formed
Burner trips
10.2 Burner will not start after normal use
Burner does not start
Burner pre-ventilates
Burner stops
10.3 Delayed ignition, burner starts; pulsation
Causes
Unstable fl ame
Excess air
Low oil pressure
Incorrect combustion apparatus settings
Flame monitor does not register light
Defective fl ame monitor
Defective oil burner control
No oil
False light
No spark
Check and replace fuse as necessary.
Investigate cause of fault
Adjust thermostat
Reset the overheating protection.
Investigate the cause of its deploying.
Remedy fault
Check by replacing with new
Check that tank, oil lines, solenoid
valves, pump and nozzle are in
good condition
Adjust the burner
Correct the boiler draught
Check the ignition transformer. Check the
ignition electrode settings and ceramics
Remedies
Adjust the damper
Check the oil pressure
Check the nozzle in relation to the
combustion apparatus dimensions and
the ignition electrode position
Check the fl ame monitor is clean and
can register light
Check with using new photocell
Check using new oil burner control
(Note: replacement of photocell recom-
mended if oil burner control replaced)
Check the oil supply to the burner and
that there are no air bubbles in the
pump
Check function of solenoid
Check fl ame monitor does not register
ambient light
Check high voltage wiring and ignition
electrodes
Fuse blown
Boiler thermostat has not reset
Overheating protection has deployed
Defective preheater
Defective oil burner control or
fl ame monitor
No oil supply
Too great a pressure drop at brake plate
Too strong draught prevents fl ame forming
No spark
Too strong a draught
Too great a pressure drop at brake plate
Nozzle partially blocked
Oil pressure too low
Flue blocked or damaged
Fan wheel slipping on shaft
Pump coupling loose or worn
Preheater clogged
Delayed ignition
Too strong a draught
Too great a pressure drop at brake plate
Correct the boiler draught
Adjust the burner
Replace nozzle
Check and adjust
Check and correct
Check and tighten
Replace
Check ignition electrode adjustment
(refer to technical data)
Check ignition electrodes
not damaged
Check high voltage wiring
Check position of nozzle
assembly adjustment
Correct the boiler draught
Adjust the burner