We may have found other answers which could help you.
Click here for Calortec Radiator IntoOil filled radiator won’t stop clicking?
vonhaur Dragan 2500w oil electric heater no power?
Efficiency of my oil heater?
Sorry the make is dimplex model FC2009Ti?
Low pressure below 1, Lockout on. won't rest?
Glen Dimplex Oil Filled Heater OFC2000 2KW?