I replaced my intake valve because of water entering the tub when the washer was off, but when I put everything back together, I shoved the drain hose deep down the drain pipe, thinking that that was a good thing to do. Well, every time I ran a cycle, the washer would fill with water, but give the F H error ~12 minutes in. Thank you all for the advice that the drain hose being too deep down the drain pipe can mess up the pressure sensor and thereby trigger the F H error, because upon pulling the drain hose out a bit, problem solved! Easy-peasy!