17
40.021.078 - rev00 - 2014
IFT-HEATER
English
TROUBLESHOOTING GUIDE
Problem
Possible Cause
Solution
Heater fires, but
shuts down after a
short period of time.
1. Dirty Fuel Filter.
2. Nozzle Dirty.
3. Photocell Dirty.
4. Photocell not installed properly.
5. Photocell Defective .
6. Improper electrical connection
between Circuit Board and
Photocell.
7. Cooling Fan is obstructed
1. Clean/replace Fuel Filter. (fig. 6)
2. Clean/replace Nozzle (fig. 8)
3. Clean/replace Photocell. (fig. 9)
4. Adjust Photocell position.
5. Replace Photocell.
6. Check wiring connections (See
Wiring Diagrams, Fig.11).
7. Check to be sure cooling fan is not
obstructed
Heater will not
operate, or motor
runs for short time
1. No paraffin/ 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
1. Fill tank with fresh paraffin/ diesel.
2. Clean/replace Spark Plug. (fig. 8)
3. Clean/replace Fuel Filter. (fig. 6)
4. Clean/replace Nozzle.
5. Rinse out fuel tank with clean fresh
paraffin/ diesel.
6. Inspect all electrical connections.
(See Wiring Diagrams, Fig.11).
7. Re-attach Transformer wires to
Spark Plug.
8. Replace Transformer.
veFan does not
operate when
heater is plugged
in and Operating
Switch is in the
“ON” position.
1. Broken electrical connection
between Circuit Board and motor.
2. Not enough amps available to power
heater.
1. Inspect all electrical connections on
Wiring Diagrams (Fig.11).
2. Use a new extension cord or try
another electrical socket.
Heater makes
grinding noise
1. Air in fuel pump.
1. Sound will stop after 3 seconds. If
grinding sound continues, add fuel to
tank
Heater does not turn
on and the
lamp is not lit
1. Temperature limit sensor has
overheated.
2. No electrical power.
3. Fuse break down.
4. Improper electrical connection
between Temperature Limit Sensor
and Circuit Board.
1. Push Operating Switch to “OFF” and
allow heater to cool for 5 minutes.
Push Operating Switch back to “ON”.
2. Check power cord and extension
cord to insure of proper connection.
Test power supply.
3. Check/replace Fuse.
4. Inspect all electrical connections.
(See Wiring Diagrams, Fig.11).
Poor combustion
and / or soot
production.
1. Pump Pressure.
2. Poor fuel quality.
1. Be sure pump pressure is adjusted
correctly.
2. Be sure paraffin/ diesel is not old or
contaminated
