The "Warmup & Cooldown" feature of gensets depends on VE.Bus firmware 502 or newer. Currently, we hide the feature on incompatible firmware. Preferably, the feature would still be shown but with disabled configuration and a note what is necessary to make use of it.

Note proposal:

Warmup & Cooldown is unavailable with the current VE.Bus firmware.
Update to firmware version 502 or newer to enable this feature.