Recent content by SH1

Thanks for the useful suggestions, it a least gives me an idea where to point someone to look first

I have intermittent firing, sometimes the boiler will fire up and run for some time before we get the fan/flue error light flashing, (the fan is running and the flue trip switch hasn't tripped). Turning the boiler off and leaving it for an hour or so will normally reset it and it will work for a...