Mppt 100/50 égalisation : percentage of current

Hi, I have some trouble to set the égalisation current on my mppt 100/50 for my Lifepo4 (to help the bms with a smaller current) . I have set to 6% the current with a voltage of 13,8v.

But the current remains at the max (i.e. Does not decrease to 3A as I want).

WHAT’S wrong here?

However when I set the max current at 6A ( or something else) the mppt delivers 6A as requested.