While you wait for answers, we may have found some information which could help you.
Click here for Heater Heating ModelHow can I mend my Hyundai oil filled radiator?
Sorry the make is dimplex model FC2009Ti?
Oil filled radiator won’t stop clicking?
Dimplex RMG25 causes circuit breaker to pop?
What size spanner to free rad bleed valve?
My electric oil heated radiator isn’t heating up properly. ?