Original tl-series servo motor went bad(A2540)......replaced with newer style (TLY-A2540).Ultra 1500 throws error E.030 EEnCoP (comms not established with intellegent encoder).....can not clear fault, when using ultraware software it will not see motor..... all new interconnecting cables from A.B....ultra 1500 controlled by micrologics 1100 bbb...........