Shellys close shutters when they loose connection to the wifi network

1. offizieller Beitrag

    Hi all,

    I've asked this on the Facebook forum, but didn't get too far.

    I've been having issues with some of my Shellys 2.5 (not all of them, maybe 4 or 5), that are managing my roller shutters. Some of them, with no apparent reason, close the shutters automatically. Seem to have a mind of their own... =O

    Firstly I looked at MQTT, since I'm currently managing all Shellys with Home Assistant through MQTT. So, maybe something around the retain flag or something, that's what people on the Facebook forum advised. But no, the issue still remained.

    So I've closed all connections to the shellys (removed all automation from Home Assistant and after that even removed the shellys altogether from HA) and still, same issues.

    Then, finally looked at the wifi connections. I have a Unifi network at home, with 3 APs giving me a very good coverage. But of course, the shellys are on the walls inside electric boxes, so less coverage there, but it should be enough for them to work nicely, right? But some of them report 70% wifi experience in the Unifi dashboard.

    So, through Unifi I tested to force one of the Shellys to reconnect to the wifi network. And, sure enough, the roller shutter being managed by that Shelly did close in a few seconds time. Gotcha.

    Finally, I think I found the root cause.

    But, what I wanted to make sure is, even if the Shelly looses the wifi connection, it should not, in any circumstances, close the roller shutter, or do anything at all. Just reconnect and do nothing.

    I cannot find anything in the configuration of the Shelly that manages that, only thing close is the configuration regarding the loss of power, which I have the STOP option.

    I have 2 more Shelly 2.5 to install on the last 2 roller shutters, but I don't want to do it before I have this figured out...

    Any thoughts? Has anyone had the same issue?

    Thanks!

    • Offizieller Beitrag

    Hi jpedro , welcome to the forum. :)

    I've shelly2.5 as rollershutter too. They closed never without a request. I use homematic.

    If you are shure in your observation, please open a ticket to Allterco. Link for this, aou find in our lexicon.

    • Offizieller Beitrag
    Zitat
    ...

    I'll keep this thread updated as I have more info from them...

    Great. :thumbup:

    Hey @ all!

    It is my first post, too. So ... HELLO! :)

    @jpedro: I have a WIFI6 (AX) Mesh with ASUS routers (4 of them - all connected over ethernet). Unfortunately some of my 21 Shelly 2.5 behave equal. I also forced some of them to disconnect from the WIFI and - GOTCHA! Few seconds (1 -2 sec) after loosing connection and reconnect the Shelly closes to 0% and remain at this position.

    I am very intereseted in any solution. Thanks for open up a ticket :)

    Greetz from Germany!

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