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Problem
Heater Ignites, but main PCB shuts off
after a short period of time.
Lamp flickers and LED display shows
"E1".
Heater will not operate or motor runs for
a short time.
Lamp flickers and LED display shows
"E1".
Fan does not operate when heater is
plugged in and power switch is in the
"ON" position. The lamp is flickering or
and LED display shows "E1" or "E2".
Lamp is flickering and LED display
shows "E3".
Poor combustion and / or excess soot
production.
Heater does not turn on and the lamp is
not lit.
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NEVER LEAVE HEATER UNATTENDED WHILE BURNING OR
WHILE CONNECTED TO A POWER SOURCE
TROUBLESHOOTING GUIDE
Possible Cause
1.
Incorrect pump pressure.
2.
Dirty input, output or lint filter.
3.
Dirty fuel filter.
4.
Nozzle is dirty.
5.
Photocell lens is dirty.
6.
Photocell not installed properly.
7.
Photocell is defective.
8.
Improper electrical connection between
main PCB and photocell.
9.
Improper location of thermister sensor
(does not apply to 45-KFA model)
10. Improper electrical connection within the
temperature limit switch
1.
No kerosene in the fuel tank.
2.
Incorrect pump pressure.
3.
Corroded spark plug or incorrect plug
gap.
4.
Dirty fuel filter.
5.
Dirty nozzle.
6.
Moisture in fuel tank.
7.
Improper electrical connection between
transformer and circuit board.
8.
Ignitor wire not connected to spark
plug.
9.
Defective ignitor.
10. Improper spacing with rotor
1.
Thermostat is set too low (does not
apply to 45-KFA model).
2.
Broken electrical connection between
main PCB and motor.
1.
Thermostat switch has failed.
1.
Dirty input, output or lint filter.
2.
Dirty fuel filter.
3.
Poor quality of fuel.
4.
PSI is too high or too low.
5.
Dirty nozzle
1.
Temperature limit sensor has
overheated.
2.
No electrical power.
3.
Fuse is blown.
4.
Improper electrical connection between
temperature limit sensor and circuit
board.
11
Solution
1.
Adjust pump pressure.
2.
Clean / replace air or lint filter.
3.
Clean / replace fuel filter.
4.
Clean / replace Nozzle.
5.
Clean / replace photocell.
6.
Adjust photocell position
7.
Replace photocell
8.
Check wiring connections
(see wiring diagrams on page 10).
9.
Check thermister placement
10. Replace temperature limit switch
1.
Fill tank with fresh kerosene.
2.
Adjust pump pressure.
3.
Clean / replace spark plug.
4.
Clean / replace fuel filter.
5.
Clean / replace nozzle.
6.
Rinse fuel tank with clean, fresh
kerosene.
7.
Inspect all electrical connections (see
wiring diagrams on page 10).
8.
Re-attach ignitor wire to spark plug.
9.
Replace ignitor.
10. Adjust rotor
1.
Rotate thermostat to a higher setting
2.
Inspect all electrical connections (see
wiring diagrams on page 10).
1.
Replace thermostat switch (see Wiring
diagrams on page 10).
1.
Clean / replace air or lint filter.
2.
Clean / replace fuel filter.
3.
Flush fuel tank and refuel heater.
4.
Use proper pressure.
5.
Clean / replace nozzle
1.
Push power switch to "OFF and allow
heater to cool for 10 minutes. Restart
heater.
2.
Check power cords for proper
connection and test the power supply.
3.
Check / replace the fuse.
4.
Inspect all electrical connections (see
wiring diagrams on page 10).
Kerosene Forced Air Heater User's Manual
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