We may have found other answers which could help you.
Click here for Pressure Running BarFix my oil filled heater?
Dimplex RMG25 causes circuit breaker to pop?
Glen Dimplex Oil Filled Heater OFC2000 2KW?
Low pressure below 1, Lockout on. won't rest?
Oil filled radiator won’t stop clicking?
My electric oil heated radiator isn’t heating up properly. ?