HS doesn't run cleaning cycles.
There is a "clean" button which will run a ten-minute clean cycle when you need it: which is usually after use or when adding chems. The fact that HS tubs don't bypass the filter when the jet pumps are running - oh boy, here we go again.... - means that they can do in ten minutes what other spas can take an hour or more to do.
And since the tub sits with a good-fitting cover on it when not in use, it doesn't really need to have other filter cycles. Keep in mind one other thing: the little circ pump runs all the time, and it also pulls all of it's water through a filter as well.
