Trying to connect Elcom HAT 402

trying to connect my opener to Elcom HAT 402 without success.

tried:
nuki red → 6 nuki black → 5 nuki orange → 6 nuki green → 5 nuki blue → 5 nuki purple → 6 i also connected nuki yellow with intercom blue
tried to leave yellow disconnected as well

no success :frowning:

is anyone from nuki here?