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Pro 1PM no power measurement

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Posted (edited)

Let us assume live and neutral wires are occasionally swapped at the „blue“ terminals of the Shelly pro 1PM: In this case, the Shelly would not detect a voltage which leads to zero power value…


It is very likely that live and neutral are swapped:


Edited by thgoebel
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Posted (edited)

Hi all 🙃

I am also having the same problem. I can control my Shelly, but my power consumption in always 0W.

i attach my wiring. I don’t have any switch connected.

This is to control a resistance of a solar panel.

i already tried with a led lamp (5w), and it still measures 0W

can anyone help me?


Edited by Marcocm
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