Hi, I’m facing the same problem. I turn on the relay by flow but turning off with delay is not working. Sometimes it is enoying with homey.
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I’m facing exactly the same issue. Turning the lights on or off via “devices” works like a charm however in a flow with about 5 fibaro lights is a nightmare. Everytime there is a delay of at least 10/15 seconds and at random lights don’t respond and remain off.