baxi 100he

Hi, I've a boiler that keeps going on and off without firing up. It's like some sort of cycle every 3-4 mins. We've set the heating to off (warmer weather now) but the hot water is on from early morning to late night. It seems that if the boiler doesn't fire up for 2-3 hours (evening time) it...

My Baxi100he was locking out daily. It always started like a new boiler in the morning but on 2nd or third ignition it would lock out and after a while I noticed the fan wasn't spinning before ignition. The local gas engineer had serviced my boiler recently and told me it was in good condition...