We may have found other answers which could help you.
Click here for Gone Out Servicedwhat is the problem with my RDJ10RF TRANSMITTER/RECEIVER?
My oil-fired Rayburn has gone out, recently serviced?
How do I stop my radiators staying cold at the bottom?
i need to increase the pressure on my highflow 400 electronic rsf boiler?
rwb 200?
Rayburn Driven Central Heating Problem - Upstairs Cold?