Just fitted a vokera 35 he. The green light flashes every 8 seconds as it should but every time I turn on the hot water tap the red light comes on and the boiler does not do anything. It resets fine but it keeps doing the red light thing. Even the central heating doesn't come on Please help

degsy, June 2009

the boiler will be under warranty, why don't you just ge Vokera out?

Big A, July 2009