I recently purchased and installed several Inovelli Blue Series 2-1 Switches, which I control using Home Assistant and ZHA. They are all on firmware 0x1020208 with output mode Dimmer, start-up behavior PreviousValue, and start-up current level of 255. While turning the power off and on to install them, I noticed that at least one of them will not turn itself back on after a power outage while I confirmed that at least one other does. I do not see any difference in their settings. Would anyone be able to explain this behavior or have any suggestions on what I could check?
A couple other notes… I seem to recall that this switch did turn itself back on when it initially had OnOff output mode. Also, I believe that I already tried resetting the switch (it was about a week ago), but I can try that again if that’s the best first troubleshooting step.
When you say “turn itself back on” you mean powering on of the wired load, right? Not the switch itself?
P15 set to 255 instructs the switch to start up at the previous level. So if the switched load was off, it will remain off after powering back up. Set it to 254 and test with the air gap. The switch should power up and turn on the load to full brightness.
Parameter 15 - Level After Power Restored
To set the behavior that your Blue Series 2-1 Switch enacts after a power outage, you would select Parameter 15 within your hub and then input a range of 0-255, where zero (0) equals off, 255 equals the last level the switch was set at, the lower the numeric value equals a lower dim level (1 = ~1%) and the higher the numeric value equals a higher dim level (254 = ~100%) with the default being that the switch will return to the prior state it was in.
Correct, I meant to say that the switch did not seem to return the light to its previous powered-on state. At least twice I had the light on, turned off the power at the circuit (which turned the light off), installed other switches, turned the power back on, and the light remained off. However, I just tested it now using the air gap and it worked as expected. I must have changed something, but I’ll continue to monitor. Thanks for the quick feedback.
I had a similar behavior on a Innovelli Blue where I configured the dbl-up/dbl-down speeds and after that, the single-up button no longer turned on the lights. The hold-up would still brighten the lights, and the hold-down would still dim. And the single-down would turn it off (from whatever brightness). It was only the single-up button that no longer functioned.
I solved it by going into Zigbee2MQTT and explicitly setting DefaultLevelLocal to 255 (previous brightness). Hope this helps.