Homelite HHC150A, HHC35A, HHC100A TROUBLE- Shooting, Observed Fault Possible Cause Remedy

TROUBLE- SHOOTING

!WARNING

To avoid risk of burn and electrical shock, never attempt to service heater while it is plugged in, operating, or hot.

OBSERVED FAULT	POSSIBLE CAUSE	REMEDY
Heater ignites, but	Incorrect pump pressure	See Pump Pressure
flame-out control		Adjustment, page 13.
shuts off heater after	Dirty air output, air intake	See Air Output, Air Intake
a short period of
	and lint filters	and Lint Filters, page 12.
time.
	Dirty fuel filter	See Fuel Filter, page 13.
	Dirt in nozzle	See Nozzle, page 15.
	Dirty photocell lens	Clean photocell lens.
	Defective flame-out control	Replace flame-out control.

!WARNING: Disconnect heater cord!

Heater will not ignite, but motor runs for a short period of time.

!

Incorrect pump pressure	See Pump Pressure
	Adjustment, page 13.
Carbon deposits on spark	See Spark Plug, page 14.
plug and/or improper gap
Dirty fuel filter	See Fuel Filter, page 13.
Dirt in nozzle	See Nozzle, page 15.
Water in fuel tank	Drain and flush fuel tank
	with clean kerosene. See
	Storing, Transporting,
	or Shipping, page 10.
WARNING: High voltage!
Electronic ignitor not	Make sure electronic
grounded ectronic ignitor	ignitor mounting is tight.
	Replace electronic ignitor.

Motor hums when	Solid state relay not	Wait two (2) minutes
heater is plugged in,	allowed to reset	before trying to restart
fan rotates slowly or		heater.
does not turn.	Binding pump rotor	If fan is hard to turn, see
		Pump Rotor, page 16.
Motor does not start;	Motor thermal trip out	Wait for motor to cool
thermostat (if used)		down. It will reset
is set to call for heat.		automatically.

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