Shortcircuit when using wifi and wall switch at the same time?

  • Hello,


    I want to use the shelly 2.5 to control window blinds. I have a concern and I am worried about causing a short circuit if the window blinds are controlled via wifi at the same time as someone is controlling it manually with a wall switch. Does it cause a short circuit or does the shelly 2.5 have a mechanism that avoids a short circuit when a situation like this occurs.

    The electrician that is installing this, advised me that for manual manipulation of the blinds to use the type of button that you have to keep pressed and you release it to stop when you want to open or close the blinds. But I´m not interested in having this type of button because it´s annoying having to keep the button pressed instead I am interested in having a button with two switches that you just press once, without having to keep it pressed, and when at the desired position of the shade you press the down button to stop. The electrician tells me that the button that I want can cause a short circuit because there might be a situation where the blinds are manipulated that the same time by the button and via wifi shelly 2.5.

    My question is, does the shelly 2.5 cause a short circuit or does it have a mechanism that avoids a short circuit when a situation like this occurs.


    Thank you.

  • Broken#Snowflake#26055 27. Januar 2021 um 02:00

    Hat den Titel des Themas von „Shortcircuit when using wifi and buttons at the same time?“ zu „Shortcircuit when using wifi and wall switch at the same time?“ geändert.
  • Important: Please make sure the 2.5 is set to roller shutter mode before using it! In the default setting it acts as two independent relays and can cause harm to your shutter motor, once it's set to shutter mode, SebMai's statement applies and you're safe!

    By the way, even without "smart technology" like Shellys you don't have to keep the button pressed, you just need to use special shutter buttons which ensure with their construction that you cannot press both directions at the same time.

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