Operator's Manual
27
TROUBLESHOOTING
SYMPTOM
PROBABLE CAUSE
REMEDY
Blower runs, but burner will not
ignite.
Steam Option:
Blower runs, burner ignites but will
not heat.
Burner runs erratically.
Burner discharges white smoke.
Burner discharges black smoke.
Dirty or clogged fuel filter or fuel
water
separator.
Low fuel pump pressure.
Fuel pump inoperative.
Flexible coupler broken.
Fuel solenoid valve failure.
Dirty or clogged fuel nozzle.
Improper burner air adjustment.
Faulty ignition module.
Ignition electrodes damaged or worn.
Steam mode.
Steam mode: Pump head PSI is too
high.
Thermostat not set high enough.
Detergent valve is open, but
detergent hose is not completely
submerged in solution. (This causes
safety devices to shut down burner.)
Poor or improper fuel supply.
Dirty or clogged fuel filter or fuel
water separator.
Low fuel pump pressure.
Dirty or clogged fuel nozzle.
Improper burner air adjustment.
Scale build up in heat exchanger coil.
Water in the fuel oil.
Dirty fuel filter or fuel water separator.
Dirty fuel nozzle.
Improper air adjustment setting.
Fuel pump malfunctioning.
Low on fuel.
Excessive air supply.
Insufficient air supply.
Drain or replace as necessary.
Check fuel pump pressure, adjust or
replace as necessary.
Check pressure, replace if
necessary.
Replace.
Replace.
Replace fuel nozzle.
Adjust as shown on pg. 22.
Repair or replace. Consult your
Customer Service.
Adjust or replace electrodes.
Consult your Customer Service
Verify Steam switch is in "Steam"
mode.
Reduce PSI to 325.
Turn thermostat to higher setting.
Close valve, or completely clear
vinyl hose into detergent solution.
Check fuel to ensure it is correct.
Drain tank and filter if necessary
and refill with proper fuel.
Drain or replace as necessary.
Check fuel pump pressure, adjust or
replace if needed.
Replace fuel nozzle.
Adjust as shown on pg. 22.
Consult the Service Department.
Replace fuel filter or drain fuel
water separator, drain fuel tank and
replace with clean fuel.
Replace element.
Replace.
Adjust.
Replace.
Refuel. If white smoke persists
consult the Service Department.
Adjust.
Adjust.
Содержание HDS series
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