Troubleshooting Guide - THERMOBILE ITF Serie Mode D'emploi

TROUBLESHOOTING GUIDE

Problem Possible Cause
Heater fires, but 1. Dirty Fuel Filter.
shuts down after a 2. Nozzle Dirty.
short period of time. 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
Heater will not 1. No paraffin/ diesel in fuel tank.
operate, or motor 2. Corroded Spark Plug or incorrect
runs for short time 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
veFan does not 1. Broken electrical connection
operate when between Circuit Board and motor.
heater is plugged 2. Not enough amps available to power
in and Operating heater.
Switch is in the
"ON" position.
Heater makes 1. Air in fuel pump.
grinding noise
Heater does not turn 1. Temperature limit sensor has
on and the overheated.
lamp is not lit 2. No electrical power.
3. Fuse break down.
4. Improper electrical connection
between Temperature Limit Sensor
and Circuit Board.
Poor combustion 1. Pump Pressure.
and / or soot 2. Poor fuel quality.
production.
IFT-HEATER
Solution
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
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.
1. Inspect all electrical connections on
Wiring Diagrams (Fig.11).
2. 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 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).
1. Be sure pump pressure is adjusted
correctly.
2. Be sure paraffin/ diesel is not old or
contaminated
40.021.078 - rev00 - 2014
English
17