was practicing for a gig coming up and my vol know got gradually harder to turn, until it's nearly impossible to turn anymore??? guitar is an '89 550 but I replaced the pots quite a few years ago anyone else have this issue? tried search but didnt; even know what to search for...

Hey all! I recently purchased an RG1570 Prestige which I got back yesterday after a full set up. I asked for the action to be set really low, get a fret dress etc... However, after bringing it back home I was pretty disappointed to find out that the action was a lot higher than I expected (a...