Installing in 4 way configuration using (1) DH6HD Dimmer and (2) DD00R Remotes. The dimmer works fine and the remotes LED are on but they don’t function.
Dimmer is wired (2) Blacks - Hot to BK and other black to R. White to WH and Red to YL/RD.
Remote in 3 way position is (2) Black to BK, White to WH and Red to YL/RD.
Remote in 4 way position is (2) Black to BK, white to WH and (2) Red to YL/RD.
In this photo, the 2 dimmers in the same wall gang are on different breakers. The left dimmer works fine. the right is a the remote.
Neutral were wired with pigtail to ensure all white are together to dimmer and each remote.