May be related to today’s hub firmware update, some other people have reported same problem. See the following:
Related topics
| Topic | Replies | Views | Activity | |
|---|---|---|---|---|
| All Z-wave devices just stopped working | 177 | 3717 | January 16, 2026 | |
| Hub Not Working with Z-Wave Devices All of a Sudden | 3 | 692 | February 24, 2018 | |
| Devices Unavailable | 21 | 14992 | June 28, 2019 | |
| Devices are "Unavailable" | 4 | 1455 | July 30, 2017 | |
| Z-Wave Devices Unavailable in SmartThings Hub | 3 | 1450 | July 25, 2017 |