SYMPTOM
Water is leaking under heat
exchanger coil.
Burner will not ignite.
Burner runs erratically.
Burner runs, but will not heat.
Burner discharges white smoke.
Burner discharges black smoke.
Operator's Manual
TROUBLESHOOTING
PROBABLE CAUSE
Safety relief device is relieving
caused by an unloader or pressure
switch problem.
Burner switch is not turned on.
Out of fuel.
Trigger gun is closed.
EMF Drive belt loose or broken.
Flexible coupler broken.
Dirty or clogged fuel filter.
Fuel pump sucking air.
Fuel pump inoperative.
Dirty or clogged fuel nozzle.
Ignition module.
Ignition electrodes damaged or worn.
No voltage.
Pressure switch override.
High limit switch override.
Improper burner air adjustment.
Fuel solenoid valve failure.
Water in the fuel oil.
Dirty fuel filter.
Dirty fuel nozzle.
Improper air adjustment setting.
Fuel pump malfunctioning.
Poor or improper fuel supply.
Low fuel pump pressure.
Dirty fuel nozzle.
Improper air adjustment setting.
Scale build up in heat exchanger coil.
Low on fuel.
Excessive air supply.
Insufficient air supply.
REMEDY
1. Detect and correct unloader or
pressure switch problem.
2. Replace safety relief device.
NEVER run unit without safety relief
device. Doing so can cause an
explosion!
Check switch position.
Refuel.
Open trigger gun for pressure.
Adjust or replace as necessary.
Replace.
Replace.
Tighten all fuel intake connections.
Eliminate leaks in intake line.
Check pressure, replace if needed.
Replace fuel nozzle.
Consult your Customer Service.
With unit running and trigger gun
closed, look through burner sight
glass to ensure there is sparking
across electrodes.
Consult your Customer Service.
Pressure should be over 250 PSI/
18 Bar to allow burner to come on.
Allow unit to cool down before
reigniting.
Adjust as shown on page 16.
Replace.
Drain fuel tank and replace with
clean fuel.
Replace.
Replace.
Adjust as shown on page 16.
Replace.
Check fuel to ensure it is correct.
Drain tank and filter if necessary
and refill with proper fuel.
Check fuel pump pressure, replace
if needed.
Replace.
Adjust as shown on page 16.
Consult your Customer Service.
Refuel. If white smoke persists,
consult your Customer Service.
Adjust as shown on page 16.
Adjust as shown on page 16.
21