I just fixed one of these last week. Don't see them very much anymore. The check ball housing in the pic should have water in it. If it's not filling, it will not soften. Remove the brine line and advance the unit to a fill cycle. If no water comes, put unit on byapss, relieve the pressure and remove the check ball housing. Check the port (I believe the bottom) for debri. You should be able to blow into it.