Hm, for my KNX system and OH 3.0.2 the step function is also inverted. “Rolladen auf” (open) und “Rolladen zu” (close) is correct, but “Rolladen hoch” (up) “Rolladen runter” (down) is wrong.
Rollershutter Rolladen_Buero_OG "Rolladen Büro oben [%d %%]" <rollershutter> (Buero_OG) [ "Blinds" ] {
channel="knx:device:bridge:bus:Rolladen_Buero_OG",
alexa="RangeController.rangeValue" [category="EXTERIOR_BLIND", friendlyNames="@Setting.Opening", supportedRange="0:100:10", unitOfMeasure="Percent", actionMappings="Close=100,Open=0,Lower=(+20),Raise=(-20)", stateMappings="Closed=100,Open=0:99"],
autoupdate="false" }
Any idea why is this?