Yep, I just about to post that I looked more closely at my cartridge, and sure enough the stylus has broken off. Oh well.
Worth asking, because stupid stuff happens, but yes, the stylus guard is up.
So I did find one other instance of the same issue. Unfortunately, no resolution was ever reached.
https://archivedforum.beoworld.org/forums/t/31724.aspx
Martin: Do you know what that preset time would be?