jennifer, The HF code is actually an FH code :-) FH (Water Inlet Problem--no water or insufficient water supply)
Select PAUSE/CANCEL twice to cancel the cycle. Unplug washer or disconnect power.Check the following:
open water faucets completely
check the screens at inlet hose connection to washer to make sure they are not clogged. Make sure that the water hoses are not kinked. Plug in washer or reconnect power. Re-select cycle and press START.