Calibration of roller blind motor (Somfy) behind Shelly

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    • Autor

    Hello guys,

    I have a Shelly Qubino Wave Shutter connected inside a wall switch (with up/down push buttons) controlling my window roller blind. The motor in the roller blind is Somfy Maestria WT and needs to be calibrated because it manages the start/stop positions itself, independent of the calibration in the Shelly relay. The problem is that according to Somfy manual, I would need to be able to hold (regular switch) up/down push buttons for about 3 seconds. It seems impossible now with the Shelly relay, as it "overrides" the push buttons with its own logic.

    Please, is there some option/exploit on how could I proceed with the motor calibration procedure without rewiring the wall switch (I have actually 6 such setups)? I have the Shelly relay added in ZWave JS UI and Home Assistant, but I was not able to figure out something there.

    Thank you for any idea. :)

    I do not yet understand the problem: do you need to activate the "up" AND "down" relay of the Shelly 2.5 at the same time or what is the problem?

    If this is the case you have 2 problems:
    1) Your physical switch will propably be locked and will not allow to physically press both buttons at the same time
    2) The Shelly 2.5 will avoid activating both relay's at the same time (in cover mode)

    Possible solution:
    I only have the Shelly Plus 2PM, but there you can change the device profile from "Cover" to "Switch". This allows you to use both channels independently.
    That means: you can activate bot output relay's if your physical switch allows it to press both buttons at the same time, or you can activate both relays via the web interface.

    Verwendung wenn möglich von Off-Cloud-Geräten wie Shelly (Cover, H&T, ...), NUOS Tasmota, Velux, Nuki, Ecowitt (Weatherstation), aber auch Cloud-Geräten wie Anker Solix (BKW), Husquarna (Rasenmäherroboter) und Roborock (Staubsaugerroboter).
    Alles zentral gesteuert durch Home Assistant.

    Exactly, up & down must be pressed a few seconds to initiate the calibration stage.

    I tried the switch option but I have a button which locks the other one when pressed. That might be the fault that it didn't work.

    Thanks for your help!