I recently added an Eaton Universal Z-Wave dimmer, and an Eaton Accessory Z-Wave dimmer into my kitchen, the 7th and 8th Z-Wave devices on my system.
Everything worked great for about 3 days, then the Universal (master) dimmer switch suddenly stopped working from the physical dimmer rocker on the switch. The power on/off switch still works, and confusingly (at least to me), I can still dim to any level via Indigo, and through Alexa via the Hue Bridge plugin. The Accessory dimmer continued to function property, until yesterday (about 3 weeks after initial install), whereby it also stopped working via the physical dimming rocker.
I did adjust some of the configuration parameters for the dimmers, but followed the mfr. parameter table, for ramp rate and LED indicator brightness, but am unsure if a configuration parameter could impact the physical function of the dimmer rocker.
I also have 2 additional Z-Wave dimmers in my system, and they seem to be working just fine. I have not yet attempted to remove the dimmers from my Z-Wave network, and resetting them to factory default, as I'm hoping someone here might have some insight on what could have caused the dimmer rockers to stop working. Any insight is much appreciated.