I've had my boiler Ideal H24 short cycling. Every few seconds the fan starts then stops. The only thing is I closed down the lockshield a few turns on the bathroom towel rail radiator. As soon as I opened it up a couple of turns the boiler has gone back to normal working.
I had problems with my 4 year old Ideal H24 heat only boiler Central heating system. Central heating flow was intermittent and worked most of the time but there was an issue. When hot water was called at the cylinder stat the pump would run and the boiler ran to the default 80C flow...
