FULTON VMP-W 40 -150 HP Installation And Operation Manual page 43

SECTION 4
VMPW-IOM-2012-1001
Problem
Burner Cut O / Ignition
Failure/ Flame Failure
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Troubleshooting Oil Fired Boilers
Cause
Power Supply
Transformer
Cad Cell
Protectorelay
Oil Supply
Ignition Electrodes
Primary air adjustment
Oil Valve
Oil Pump
Aquastat
Loss of oil prime
Oil Nozzle
MAINTENANCE
Remedy
Check fuse or circuit breaker and replace as
necessary.
Check voltage between transformer leads at
terminal block to be sure the terminal is being
powered.
Check for ignition interference. To verify cad cell is
working, place a lit candle in front of photo cell at
the proper time.
Check voltage between pilot terminal and
ignition terminal. Check must be made before
control locks out for safety. If zero voltage, clean
the relay contacts and recheck terminals for
power. If no power, replace control.
Check oil level in supply tank to be sure it is not
below intake line. Fill tank with oil. Check for
clogged nozzle. Clean or replace.
Check electrodes for carbon buildup and clean as
necessary. Check for proper adjustment; readjust
if necessary. Check for cracks in porcelain; replace
if cracked.
Check air adjustment. Air may be blowing re
away from ame sensor.
Check voltage between oil valve leads at terminal
block to be sure oil valve is getting power.
Check for clogged strainer or lter. Remove and
clean. Check for slipping or broken coupling.
Tighten or replace. Check for frozen pump shaft.
Replace.
If power is on, check across aquastats to verify
power through the switch. If bad, replace.
Check all lines for possible air leak in intake line
and tighten. Check for possible restricted intake
line. Replace.
Check for clogged nozzle; clean or replace
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