No main frame module is enabled for views slideshow. This is often because another module which Views Slideshow needs is not enabled. For example, 3.x needs a module like "Views Slideshow: Cycle" enabled.
When the Roomside bath fan with SurfaceShield is in the off position, a purple light continuously disinfects at all times. When the white light is switched off the purple ultraviolet light will stay on to disinfect the area.