Worcester 24i Junior it would come on and off when it liked, it seemed to work better when it was cold,it then started to leak from over flow,and now not working at all. just press button in the fan starts a few seconds later flashing lights again, seems to be no spark( but that could be fault before it get there)

ian, December 2009

fan relay on pcb is faulty. new pcb required. also have a qualified person re-pressurise your expansion vessel & replace the pressure relief valve which will stop your overflow leak.

Ian, December 2009