There is a crack in the ceiling in every room of the house with a ceiling fan. We were not the ones to install the ceiling fans so we don't know if the cracks were there before. My guess is the fans were installed improperly and caused the cracks because the cracks are identical in each room and meet at the ceiling fan. There are no other cracks in the ceiling anywhere else. My question is how do we cover the cracks so they won't come back. We tried covering them with spackle (?) but the cracks came back. Also, is there something we should be looking at with the fans to make sure they aren't still damaging the ceilings?