On Mon 21 Jan 2013 09:03:42 NZDT +1300, Jasper Mackenzie wrote: > I guess the problem being the ~30VAC in the off state must be higher > than the holding voltage for the smps. Unless you detail that circuit it will be impossible to say anything about it. Volker -- Volker Kuhlmann http://volker.dnsalias.net/ Please do not CC list postings to me.