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118997-01B
10
TROUBLESHOOTING
Continued
OBSERVED PROBLEM
Heater ignites, but flame-out
control shuts off heater after
a short period of time
Heater burns, but puffs of
smoke can be seen
Heater does not burn steady
Heater burns with odor
Heater smokes continuously
POSSIBLE CAUSE
1. Wrong pump pressure
2. Dirty fuel filters
3. Dirt in nozzle
4. Dirty photocell lens
5. Open or damaged photocell
6. Bad flame-out control
7. Damaged fan switch
1. Wrong pump pressure
2. A) Heater almost out of
fuel
B) Water condensation in
fuel tank
C) Wrong fuel
3. Dirty fuel filters
4. Air leak in suction system
5. Dirty nozzle
6. Low voltage causing mo-
tor to operate below rated
speed
7. Loose fuel line
REMEDY
1. Adjust pump pressure (see
Pump Pressure Adjustment
sections, page 12)
2. Clean fuel filters (see
Fuel
Filters
, page 14)
3. Replace nozzle (see
Noz-
zle
, page 11)
4. Clean photocell lens with
clean cotton swab
5. Replace photocell
6. Replace flame-out control
7. Replace fan switch
1. Adjust pump pressure (see
Pump Pressure Adjustment
sections, page 12)
2. A) Add fuel to tank
B) Check fuel tank for bub-
bles of water in bottom. If
found, remove fuel (see
Storing, Transporting or
Shipping
, page 6). Clean
tank and fuel filters (see
Fuel Filters
, page 14). Fill
with clean fuel
C) Remove wrong fuel (see
Storing, Transporting or
Shipping
, page 6). Clean
tank and fuel filters (see
Fuel Filters
, page 14. Fill
with correct fuel
3. Clean fuel filters (see
Fuel
Filters
, page 14)
4. Tighten all fuel line con-
nections (see
Fuel Lines
,
page 13)
5. Replace nozzle (see
Noz-
zle
, page 11)
6. Check voltage at heater.
Voltage at heater should be
not less than 90% of rated
voltage (108V minimum for
120V heaters)
7. Check and tighten all fuel
line connections (see
Fuel
Lines
, page 13)
