They can tell you to cease and desist.  If you repeat after that, HOA fines.
A lot depends on your neighbors.  No complaints or interloping board members and no issue.
Depending on the exact wording, it would seem the intent is more towards the open Santa Maria style open bbq pit than a Weber grill.  Depending on the density, setbacks (zero lot line), grills are a bit problematic on small patios.
I have a smoker I run, the nearest house other than mine where my smoker sits when in use is 70 feet away and prevailing wind is parallel to it.  House directly down wind is 100+.  So they primarily have to deal with the nuisance of apple smoke and BBQ pork butt wafting into their yard all day.