Potterton Statesman 45/50, Installation & Service Instructions Manual

Page: 49 / 56

Part No. 5102478
49
SYMPTOM CHECK FOR ACTION
Flame Established
But Not
Maintained
1. Air in fuel line Check for joints for increases of air
rectify as necessary, bleed burner
and restart
2. Combustion settings incorrect Adjust settings and confirm by flue
gas analysis
3. Wrong grade of oil Obtain correct grade of fuel or in
case of conventional flue models
adjust burner for correct grade.
4. Combustion products leaking Check all seals, particularly the
gasket between burner and boiler
5. Combustion products re-circulating Insert CO
2
probe and check
into balanced flue terminal
SYMPTOM CHECK FOR ACTION
1. Correct grade of fuel used Either adjust for fuel used or drain
and refill tank correctly
2. Correct nozzle fitted Refer to Burner Instructions and
fit correct nozzle
3. Correct oil pressure Refer to Burner Instructions and set
correct pressure
4. Correct air settings Do combustion checks and re-set
5. Air in fuel lines Bleed air from lines
6. Adequate access for combustion air Refer to Section 2
7. Adequate ventilation Refer to Section 2
8. One sided flame Remove burner, clean and re-check
settings, refer to Burner Instructions
Clean or replace the nozzle
9. Oil leak within burner. Remove burner and examine for
leakage, repair suspect joints
10. Oil leak to burner within boiler Suspect pump solenoid, replace
pump assembly
11. Flue plus boiler resistance too high Check retarders & baffle plate
positions, check for obstructions
12. Defective nozzle Replace nozzle with one of same
specification
Burner Runs But
Smoke, and or
Smell, and or
Pulsation
Fault Finding