We may have found other answers which could help you.
Click here for Combi Boiler Central Heating Boiler Problem
Oil filled radiator won’t stop clicking?
Dimplex RMG25 causes circuit breaker to pop?
What size spanner to free rad bleed valve?
Where can I get a manual for my ritetemp oil heater ?
Low pressure below 1, Lockout on. won't rest?
How can I mend my Hyundai oil filled radiator?