While you wait for answers, we may have found some information which could help you.
Click here for Oil Filled Radiatorvonhaur Dragan 2500w oil electric heater no power?
Oil filled radiator won’t stop clicking?
My electric oil heated radiator isn’t heating up properly. ?
Sorry the make is dimplex model FC2009Ti?
Low pressure below 1, Lockout on. won't rest?
How can I mend my Hyundai oil filled radiator?