122446 [OFFICIAL]
Check for Z-wave devices going offline or "Slow ZWave" messages (common with ZEN32 devices) which can cause command delays of 5 to 30 seconds.
Post #122446 on the community serves as a guide for troubleshooting unresponsive Z-Wave networks: 122446
The Divine Soul Sorcerer from Xanathar’s Guide to Everything . Check for Z-wave devices going offline or "Slow