Intermittent Scenes

Yes, you have some mesh issues. The items with 'Discover' need to be removed. This is a possible cause of your performance problems.

Check out the following thread. You may or may not need a Z-Wave stick to get rid of them:

The other dimmer with no route information may have an issue too.

Do you know the firmware version? Those dimmers had an update a few years ago.

Also you may want to use the following driver for the dimmers:

2 Likes