HELP! I Can Connect GE Dimmer to ST But Can't Control It

[JDRoberts]

Multiple people have reported multiple kinds of errors in this thread, but I did just want to mention that the single most common reason why A switch might work from the wall but not respond to the app is that it’s out of range of the hub.

If it’s a zwave switch, Then the zwave repair may either help or at least show you where messages are failing to get through.

If the utility itself is failing, I would definitely get in touch with support, as there are also things that they can see from their side.

SmartThings Support

You can also try reading post 11 in the following FAQ, and then go up and reading the thread from the top:

A Guide to Wireless Range & Repeaters

One more thought. While I understand the marketing reasons for the decision, the fact that SmartThings gives customers zero guidance on how to set up a network backbone does lead to a lot of frustration that shouldn’t have to exist. if people knew that .1) The hub should be located centrally in the home, both vertically and horizontally. Don’t put it in a garage or basement as those have concrete and pipes and metal objects which will reduce signal. If your Internet router is off in some inaccessible corner, you can use a Wi-Fi access point that has a ethernet port on the side and plug into that. Also, the hub should not be put in a cabinet. You just want to make it as easy as possible for signal to spread around your house. .2) you need one device that can repeat about every 40 feet…