I have a stacked switch that will hold 8 wires there were 2 black 1 grey 1green and 1 purple. Some one replaced it and got it wired wrong the fan stayed on low and the switch would not effect it.
I took and old single layer switch from another fan touched the black to each wire to find the speeds than hooked it up black to L and slow speed to 1, medium speed to 2 and high to 3 .
It works fine . A single switch is $2.49 and a stacked is $12.98 my question is why the stacked switch if it will work on a single one and could this cause any harm to the fan. Ty for any replys.