FULTON VMP Series Installation, Operation And Maintenance Manual page 73

Fulton Ltd
6.2 TROUBLESHOOTING
Problem
5. Poor combustion
6. Burner back fires
VMP-IOMM-2018-2
Cause
1. Refractory bricks
2. Stainless steel ring
3. Main air adjustment
4. Secondary air adjustment.
5. Draft
6. Dirty flue
7. Negative room pressure
8. Oil nozzle
9. Oil pump
1. Refractory bricks
2. Ignition electrodes
3. UV detector
4. Draft problem
5. Negative room pressure
6. Primary air adjustment
7. Oil valve(s)
8. Loss of oil prime
9. Loose oil fittings
10. Blocked oil filter
11. Blocked screen in oil pump
12. Blocked flue
13. Vacuum on pump
14. Hole in suction line
TROUBLESHOOTING - 6
Remedy
Check the bricks are not plugged with soot or broken into
pieces. Clean and replace as required.
Check to ensure the ring is present and fits securely
against the furnace wall.
Check air adjustment. Open main air until fire brushes the
furnace wall.
Check main air adjustment to see if it has moved. Adjust
as necessary and tighten in position. Check CO
level.
Check draft is neutral. Consider installing a barometric
damper if the draft is too strong.
Check flue for Carbon build-up or blockage. Clean flue
passages with brush.
Ensure no exhaust fans are running in the boiler room.
Check for blocked nozzle, clean or replace as necessary.
Check for blocked strainer or filter. Remove or clean.
Check for slipping or broken coupling. Tighten or replace.
Check for seized pump shaft. Replace.
Check the bricks are not plugged with soot or broken into
pieces. Clean and replace as required.
Check electrodes for carbon build-up, clean if required.
Check settings adjust if required. Check for cracks in
porcelain, if found, replace.
Check for dirt on scanner, clean as required. Check for
proper location of detector.
Check draft is neutral. Consider installing a barometric
damper if the draft is too strong.
Ensure no exhaust fans are running in the boiler room.
Check air adjustment. Air may be blowing fire
away from flame detector.
Check for leaking oil valve(s) and replace.
Check all lines for possible air leak in intake line and
tighten. Check for possible restricted intake line. Replace.
Check all fittings and tighten.
Check and clean or replace.
Check and clean or replace.
Check flue is not blocked, clean as required.
Check draft at flue.
Check for too high a vacuum on the pump.
Check oil lines and distance from tank to boiler.
Repair or replace as necessary.
Check and replace as necessary.
OIL BOILER
and O
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