Hi
Did you enter all 16 characters in #38 /like

0000001100000000 ?

In jumpers method "A"

port 7 - J2 and J3 to on and J8 & J9 to slt

port 8- J4 and J5 to on and J12 and J 13 to slt

I'm referencing the 816 plus book.

If this gets to crazy for you ,you should contact a local Samsung dealer or reference list of installers on link above. 28 in Indiana.

Good luck