I have a EP4001 attached to my central heating and even though there is power to the unit, it won't fire up the boiler. I can change through the programs but the heating won't come on. Any ideas?
my unit is dead no power appears on it electric went off yesterday now the control is dead hot water is ok but cant get the heating on potterton ep4001
barbara, April 2012
would be faulty unit or dirty connection ,just spry dirt remover like WD40 inside slot move up and down hope that dirt will clear
