11
NEVER LEAVE HEATER UNATTENDED WHILE BURNING
OR WHILE CONNECTED TO A POWER SOURCE
© 2021 Pinnacle Climate Technologies, Inc.
Kerosene Forced Air Heater User’s Manual
TROUBLESHOOTING GUIDE
Problem
Possible Cause
Solution
Heater Ignites, but main PCB shuts
off after a short period of time.
Lamp flickers and LED display shows
“E1”.
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. 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
Heater will not operate or motor
runs for a short time.
Lamp flickers and LED display shows
“E1”.
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. 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
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”.
1. Thermostat is set too low (does not
apply to 45-KFA model).
2. Broken electrical connection
between main PCB and motor.
1. Rotate thermostat to a higher setting
2. Inspect all electrical connections
(see wiring diagrams on page 10).
Lamp is flickering and LED display
shows “E3”.
1. Thermostat switch has failed.
1. Replace thermostat switch (see
Wiring diagrams on page 10).
Poor combustion and / or excess
soot production.
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. 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
Heater does not turn on and the
lamp is not lit.
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.
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).
