Check Filter Indicator - Samsung VCJG Series User Manual

CHECK FILTER INDICATOR

If the "Filter Check" indicator turns to red color while you are
cleaning, the dust bag requires replacement.
If the "Filter Check" indicator continues to display red color even
after having changed bag into new one, turn the cleaner off and
check if there is any clogging in the hose,tube,floor nozzle,or on
the inlet/outlet filter.
12_ maintain tools and filter