Juno 60 CHD MDCB-2

[nvano]

hello,
i have problems with my mdcb-2 converter.
if i send midi cc 115 with value 1 to enable midi thrue, nothing happens (protection switch is set to off).

i can change some settings via midi controller changes (filter, lfo etc.) but saving doesn´t work either.
every setting i save is gone after the next reset.

has anybody here successfully configured a mdcb-2 converter?

thanks