I have wire the unit according to instructions and checked that the current is going through, which it is, but no sign of the unit being activated. is there something I have missed. I have read the instruction soooo many times.many thanks for your help.

stevens, May 2014

If there is 3 connections L N Ls you need to put a permanent supply to L and N and a switched supply to Ls if this is not possible link L and Ls but there will be no timer overun

toptrish, May 2014