Exactly,
Exactly, unless I find the transformer, I will not be able to use the push button by the door again. I think it might be buried on the walls because I cannot find it anywhere.
Dear Haggis999 and all: thanks for the detailed description, even if I am 9 years late. I recently bought a house with a Friedland 454. Sadly the transformer blew after an overtension event. The bad news: we do not find the transformer. Does anyone here know how a rather old transformer for a...