Recent content by pa12mm

This should be mostly blue, with some orangey/yellow tinges.:) Adjust the damper under the motor unit anti clockwise to increase air, and therefore more orangey/yellow, then slightly clockwise until the flame is mostly blue. Back it off a bit until some orange/yellow is again visible, and...

I too have an ancient Hotspur which occasionally has the same symptoms. This actually happened an hour before I found the above posts. The transformer needs a secure earth, or the high voltages will damage it. Make sure it's tightened down to the base of the boiler. The usual problem I...