Hoval SR-plus 600 - Oil Burner Fault Finding (Continued); Troubleshooting Smoky Flames and Fumes

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Symptom
D. Smoky flame and/or
fumes from burner.
Flame shape alters from
normal. Boiler door
becomes hotter than
usual.
Possible Cause
1. Air inlet damper accidently
masked or other obstruction to
airow.
2. Alteration to air inlet damper
position.
3. Burner nozzle(s) dirty or badly
tted.
4. Incorrect nozzle(s).
5. Excessive oil pressure.
6. Boiler tubes, ue or chimney
blocked or re stricted. Flue
damper closed.
7. Burner draught tube or ame
plate misplaced or faulty.
8. Door refractory failure.
Action
1. Clear obstruction.
2. Reset damper and make a
combustion check (special
instruments required).
3. Replace nozzle(s).
4. Replace with correct nozzle(s).
5. Reset pump pressure regulator.
6. Clean tubes. Open ue damper
and check why it became closed.
Clear blockage or restriction.
7. Call Service Engineer to correct
and replace if necessary.
8. Check for damage, replace if
damage severe.
Oil Burner Fault Finding Chart
Oil Burner Fault Finding Chart / 2
August 2014