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116170-01A 9
www.desatech.com
POSSIBLE CAUSE
1. No fuel in tank
2. Pump pressure incorrect
3. Dirty fuel filter
4. Obstruction in nozzle
5. Water in fuel tank
6. Bad electrical connection
between ignitor and ignition
control assembly
7. Defective ignitor
8. Defective ignition control
assembly
1. Pump pressure incorrect
2. Dirty air intake, air output,
and/or lint filter
3. Dirty fuel filter
4. Obstruction in nozzle
5. Photocell assembly not properly
installed (not seeing the flame)
6. Dirty photocell lens
7. Bad electrical connection
between photocell and ignition
control assembly
8. Defective photocell
9. Defective ignition control as
-
sembly
REMEDY
1. Fill tank with kerosene
2. See Pump Pressure Adjust
-
ment, page 11
3. See Fuel Filter, page 11
4.
See Nozzle Assembly, page 13
5. Drain and flush fuel tank with
clean kerosene. See Storing,
Transporting or Shipping,
page 7
6.
Check electrical connections.
See Wiring Diagrams, page 25
7. Replace ignitor, see page 12
8. Replace ignition control as
-
sembly
1. See Pump Pressure Adjust
-
ment, page 11
2. See Air Output, Air Intake, and
Lint Filters, page 10
3. See Fuel Filter, page 11
4.
See Nozzle Assembly, page 13
5. Make sure photocell boot is
properly seated in bracket
6. Clean photocell lens
7.
Check electrical connections.
See Wiring Diagrams, page 25
8. Replace photocell
9. Replace ignition control as
-
sembly
FAULT CONDITION
Motor starts and runs but heater
does not ignite
Heater ignites but ignition con
-
trol assembly shuts heater off
after a short period of time
WARNING: High voltage!
TROUBLESHOOTING
Continued
WARNING: High voltage!