Why can't I get this working properly?

    Hi All

    First post so go easy on me. Unfortunately it's a repetitive question regarding 2 way lighting.

    I watched a video on you tube from "Home Sight" regarding how to set up using traditional UK wiring (No Neutral at Switch). I am attempting to wire at the ceiling rose, utilising the available neutral. I have basically wired it as per his diagram attached, with the following amendments:

    1. No Bypass as I don't believe it's required if I have a neutral available

    2. The live to the light is wired directly to "O" on the shelly

    3. The supply Neutral is wired into "N" on the Shelly

    The problem I am having is that when the far switch is in 1 position, the first switch works, but when I go to change it, the first switch stops working. The Shelly always works as it should.

    What am I missing? It's been driving me up all wall all evening.

    Cheers

    Are you sure the diagram is equivalent to the physical situation? All wires double checked? IMHO both switches should work as expected…

    „Habt Geduld. Alle Dinge sind schwierig, bevor sie einfach werden!“ (aus Frankreich)

    „Nothing in life is to be feared, it is only to be understood.“ (Marie Curie, 1867-1934)

    „Es reicht nicht“, rief Schiller, „Gedankenfreiheit zu fordern, man muß auch denken können, sonst fordert man Gedankenlosigkeitsfreiheit und die ist die Freiheit zur Dummheit, welche wiederum die schlimmste Unfreiheit überhaupt ist!“
    (Aus „Besuch aus Weimar“ von Gert Heidenreich, Schriftsteller, *1944 in Eberswalde)

    Hi

    I was 100% certain, but went to check anyway. It was 100% as per the diagram, however one of the switches is an outdoor switch with a small neon power indication light that ran between com and L2. This was throwing everything off. As soon as I took the light out of the mix, everything worked as it should.

    Have attached a picture of the type of switch just incase anyone else has an oversight like mine.

    Cheers 👍👍

    Well done! For the records (chapter „lessons learned“) I would note that every detail in diagrams is absolutely necessary…

    „Habt Geduld. Alle Dinge sind schwierig, bevor sie einfach werden!“ (aus Frankreich)

    „Nothing in life is to be feared, it is only to be understood.“ (Marie Curie, 1867-1934)

    „Es reicht nicht“, rief Schiller, „Gedankenfreiheit zu fordern, man muß auch denken können, sonst fordert man Gedankenlosigkeitsfreiheit und die ist die Freiheit zur Dummheit, welche wiederum die schlimmste Unfreiheit überhaupt ist!“
    (Aus „Besuch aus Weimar“ von Gert Heidenreich, Schriftsteller, *1944 in Eberswalde)