While you wait for answers, we may have found some information which could help you.
Click here for Burner Not WorkingOil filled radiator won’t stop clicking?
Efficiency of my oil heater?
vonhaur Dragan 2500w oil electric heater no power?
Glen Dimplex Oil Filled Heater OFC2000 2KW?
Sorry the make is dimplex model FC2009Ti?
What size spanner to free rad bleed valve?