Thanks again. So no.2 and no.4 are totally blank but no. 3 has two black wires twisted together .
I think it is faulty then so I am replacing. The local plumbers has Danfos TS715 whihc is the best replacment. I just have to move the two twisted blacks into position 2 instead leaving 3 and 4...
Thanks everyone. Sorry i said the blue and brwn the pther way ie t is al correct then. So the tmer mst be broken or faulty I think. I shouldnt searte the two bacs though should I?
CA ayone help me please? my drayton tempus one programer has never worked properly - it doenst turn off uness we override. I have now looked a the wriing to the back plate.
It has a brown wire going to the N left hand position on the backplate . Then blue to position L. Then a blue loop from...