negative value - consumption correction shelly em

    • Autor

    Good morning,

    I have a shelly em connected to a contactor then to a Bosch induction cooker.

    If I turn off the contactor the consumption is 0 W.

    If I turn on the contactor, with the induction cooker on, the consumption varies from 400 to 2000 W.

    If I turn on the contactor, with the induction cooker in standby, the consumption is -11W.

    Why do I have negative consumption?

    Could it be the fault of the contactor coil?

    How can I force a consumption correction?

    Thanks everyone for the answers.

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    Hi all,

    I have the same issue of n3g4tivo but -15W when the cooker is switched off.

    What is happening?

    Hi, I had similar issue when I connected the EM power in the wrong way. Switching the power wires resolved.

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