Dimmers and RGB Color Channels linked?

Hey there,

i have a strange problem here on our ETC Element 1.

Were using both universes and Artnet.

Now the strange thing: If i raise the color red on a moving  at the same time, a normal dimmer on the other universe is raising his brightness too?

It seems like, as if some dimmers are kind of “linked” to the color parameters of some LED Units?

Some ideas?