I had the same problem. You need to be sure that each BLE Observer (Gateway) is set to “Passive”. Then HA will recognize the state changes from the D/W BLU. However, while it recognizes the transitions of state, when the D/W BLU is idle it’s HA state is “unavailable”. I haven’t figured out this one yet. I put a query on Shelly’s facebook page and an admin deleted it without explaination!
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