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i was able to power on the z-uno 2 via usb to power outlet, included it in the zwave network, and used the 'switch' and 'dimmer' control in expert UI, all good.

but after a few minutes, the z-uno 2 powered off and won't power on again. after about 20 minutes, i can power it on again, then it went off again after a few minutes. it happened a few times. it's just running the default sketch.

looking at the default code, delay will be 0 when dimmerValue is 0 right? will it be any issues when the loop just keeps going HIGH and LOW with delay 0?

thanks!

after a few more tries. it will only stay power on for about half a minute, then shut off and won't power back on for a while. the white light turn on and off for a second and the green light blinked a few times.

Can it be that your power source is trying to be smart and control the load? Try another USB cable and power adaptor