Usually when your regeneration has been running longer than 2 hours, one or more of the settings is incorrect and likely extremely high.
Our default settings are recommended for most homes:
Set 1 time: Your time in MILITARY
Set 2 type: type t m
Set 3 c-u: Your gallon count
Set 4 t-m: 02 h-OFF
Set 5 bw: 015 bw
Set 6 bd: 060 bd
Set 7 rr: 010 rr
Set 8 bf: 012 bf