Problem
Heater fires, but shuts down after
a short period of time. Lamp flick-
ers and LED display shows E1.
Heater will not operate, or motor
runs for short time. Lamp flickers
and LED display shows E1.
Fan does not operate when heat-
er is plugged in and Operating
Switch is in the "ON" position.
The lamp is flickering and or LED
display shows E1 and E2
Heater makes grinding noise.
Heater does not turn on and the
lamp is not lit.
Poor combustion and / or soot
production.
Lamp is flickering and LED display
shows
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NEVER LEAVE HEATER UNATTENDED WHILE BURNING
OR WHILE CONNECTED TO A POWER SOURCE
TROUBLESHOOTING GUIDE
Possible Cause
1. Dirty Fuel Filter.
2. Nozzle Dirty.
3. Photocell Dirty.
4. Photocell not installed properly.
5. Photocell Defective .
6. Improper electrical connec-
tion between Circuit Board and
Photocell.
7. Cooling Fan is obstructed
8. Improper pressure.
1. No Kerosene/ diesel in fuel tank.
2. Corroded Spark Plug or incorrect
plug gap.
3. Dirty Fuel Filter.
4. Dirty Nozzle.
5. Moisture in Fuel/Fuel Tank.
6. Improper electrical connection
between Transformer and Circuit
Board.
7. Transformer Wires not connected
to Spark Plug.
8. Defective Transformer.
9. Defective or overheated high limit
control switch
10. Dirty/Defective photocell
1. Thermostat is set too low
2. Broken electrical connection
between Circuit Board and motor.
3. Not enough amps available to
power heater.
1. Air in fuel pump.
1. Temperature limit sensor has over-
heated.
2. No electrical power.
3. Fuse break down.
4. Improper electrical connec-
tion between Temperature Limit
Sensor and Circuit Board.
1. Pump Pressure.
2. Poor fuel quality.
1. Thermostat switch has failed.
1. Clean/replace Fuel Filter.
2. Clean/replace Nozzle
3. Clean/replace Photocell .
4. Adjust Photocell position.
5. Replace Photocell.
6. Check wiring connections (See Wiring
Diagram, Page 11).
7. Check to be sure cooling fan is not
obstructed.
8. Adjust pump pressure.
1. Fill tank with fresh Kerosene/ diesel.
2. Clean/replace Spark Plug.
3. Clean/replace Fuel Filter.
4. Clean/replace Nozzle.
5. Rinse out fuel tank with clean fresh
Kerosene/ diesel.
6. Inspect all electrical connections. (See
Wiring Diagram, Page 11).
7. Re-attach Transformer wires to Spark Plug.
8. Replace Transformer.
9. Push power switch to "OFF" and allow heat-
er to cool for 10 minutes before restarting
heater./ Replace high limit control switch.
10. Clean/Replace photocell
1. Rotate thermostat to a higher setting.
2. Inspect all electrical connections on Wiring
Diagram (Page 11).
3. Use a new extension cord or try another
electrical socket.
1. Sound will stop after 3 seconds. If grinding
sound continues, add fuel to tank.
1. Push Operating Switch to "OFF" and
allow heater to cool for 10 minutes. Push
Operating Switch back to "ON".
2. Check power cord and extension cord to
insure of proper connection. Test power
supply. Ensure battery is fully charged.
3. Check/replace Fuse.
4. Inspect all electrical connections. (See
Wiring Diagram, Page 11).
1. Be sure pump pressure is adjusted correctly.
2. Be sure Kerosene/ diesel is not old or
contaminated.
1. Replace thermostat switch. (See Wiring
Diagram, Page 11)
12
Kerosene Radiant Heater User's Manual
Solution