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.
© 2019 Pinnacle Climate Technologies, Inc.
NEVER LEAVE HEATER UNATTENDED WHILE BURNING OR WHILE
®
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.
CONNECTED TO A POWER SOURCE
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
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
7. Inspect all electrical connections
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
1. Replace thermostat switch (see
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
2. Check power cords for proper
3. Check / replace the fuse.
4. Inspect all electrical connections
11
Kerosene Forced Air Heater User's Manual
Solution
(see wiring diagrams on page 10).
kerosene.
(see wiring diagrams on page 10).
(see wiring diagrams on page 10).
Wiring diagrams on page 10).
allow heater to cool for 10 minutes.
Restart heater.
connection and test the power
supply.
(see wiring diagrams on page 10).