11
101697
Fill tank with kerosene.
See Pump Pressure Adjust-
ment, page 14.
See Air Output, Air Intake
and Lint Filters, page 14.
See Fuel Filter, page 15.
See Nozzle, page 16.
Clean photocell lens and
make sure photocell is
seated in bushing.
Remove blockage.
Tighten set screw. See Fan,
Page 13.
Replace nozzle. See
Nozzle, Page 16.
See Pump Pressure Adjust-
ment, page 14.
Remove blockage.
Clean fan. See Fan, page 13.
Replace nozzle. See
Nozzle, Page 16.
OBSERVED FAULT
DISPLAY SCREEN
POSSIBLE CAUSE
REMEDY
Display shows “no fuel”
(fuel lean).
Heater ignites, but
flame control shuts off
heater after a short
period of time.
Out of fuel
Wrong pump pressure
Dirty air output, air intake
and lint filters
Dirty fuel filter
Dirt in nozzle
Dirty photocell lens or
photocell not seated in
bushing
Pump regulator blocked
Loose fan setscrew
Defective nozzle
Wrong pump pressure
Heater inlet blocked
Dirty fan
Defective nozzle
TROUBLE-
SHOOTING
WARNING
!
Never service heater while it is plugged in, operating, or
hot. Severe burns and electrical shock can occur.
Display shows “C7” (fuel rich).
Display shows “C6” (sudden
overfire).
Out of fuel
Wrong pump pressure
Dirty fuel or water in fuel
tank
Carbon deposits on spark
plug and/or improper gap
Dirty fuel filter
Dirt in nozzle
Ignition system/flame
control not grounded
Bad ignition system/flame
control
Fill tank with kerosene
See Pump Pressure Adjust-
ment, page 14.
Drain and flush fuel tank
with clean kerosene. See
Storage, page 10.
See Spark Plug, page15
See Fuel Filter, page 15.
See Nozzle, page 16.
Make sure green ground
wires are secured.
Replace flame control.
Heater will not
ignite, but motor runs
for a short period of
time.
Display shows “no fuel” or
“C8” (multiple ignition
failures).
Continued
!
WARNING: High voltage
