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110098-01F
9
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 motor to
operate below rated speed
7. Loose fuel line
REMEDY
1. Adjust pump pressure (see
Pump Pressure Adjustment
sections, page 11)
2. Clean fuel filters (see
Fuel
Filters
, page 12)
3. Replace nozzle (see
Nozzle
,
page 10)
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 11)
2. A) Add fuel to tank
B) Check fuel tank for bubbles
of water in bottom. If found,
remove fuel (see
Storing,
Transporting, or Shipping
,
page 5). Clean tank and fuel
filters (see
Fuel Filters
, page
12). Fill with clean fuel
C) Remove wrong fuel (see
Storing, Transporting, or Ship-
ping
, page 5). Clean tank and
fuel filters (see
Fuel Filters
,
page 12. Fill with correct fuel
3. Clean fuel filters (see
Fuel
Filters
, page 12)
4. Tighten all fuel line connections
(see
Fuel Lines
, page 12)
5. Replace nozzle (see
Nozzle
,
page 10)
6. Check voltage at heater. Volt-
age 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 12)