Merck’s response to the issue was the following:
In general, there are a few models of fans that have a ridiculous protocol where there’s just one signal for “TogglePower” without any discrete TurnOn/TurnOff signals. That means that Bond is forced to emulate TurnOn/TurnOff using TogglePower and state tracking, similar to the ToggleLight scenario. — Alas the joys of retrofitting these fans that were never intended to be used this way!
That said, I can’t speak to the specific case without looking into the account (effected user could DM me or Jacob on the Bond Forums if you want to dive in).
Anyways I’d like to dive into this to see if we can get it sorted or some sort of workaround put in place. The fan’s in question are: