boiler blowing fuses found fault on wireing to boiler fixed that now boiler fan and pump runing akll time and not firing up runs when switch dial on front to off neon b flashes every 5 seconds pleas help i think main pcb but pointers would help thanks
boiler runs on its own then overheats and starts ketling then cuts out this hapens when on hot water only runs fine on htg no probs need some pointers boiler had leaks prior to this they where fixed then this started
