The Leviton have some "quirks" in my opinion. You may want to see if their firmware need to be updated, there have been various updates over the years. Many have seen improvements with the newer firmware versions.
I came across an interesting thread in the Z-Wave JS repo that contains pointers to newer ota firmware updates for the DZ6HD and DZ15S, and I thought it worth posting info here. Leviton doesn't provide release notes so what all the changes are is unknown, but they are being recommended for performance/stability improvements.
Firmware version 1.22 for the DZ6HD can be found here .
Firmware version 1.23 for the DZ15S can be found here .
Note that the Hubitat Device Firmware Updater app is not cur…
This can be done with the built-in (Device Firmware Updater | Hubitat Documentation ) app (Assuming a C7 hub) or by using an external Z-stick and Simplicity Studio.
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