Hi, I have a Potterton Kingfisher cfl 50 boiler. It works fine sometimes, but at others the flame keeps going out. It is only two years old. sometimes only the fan works, I hear the arcing sound,...
Started this weekend, our boiler sometimes does not fire up on demand. The fan starts and continues to run correctly, and I can hear arcing/ sparking for up to 10 seconds from the vicinity of the PCB...