Admittedly, I have limited experience here as I have just finally got my light working properly, night and day, and I am using the lunar cycle.
Are you using V-link and the desktop software?
When you download your graphs from the fixture are they the same as what you uploaded?
Does the white light you describe appear in your graph from the light or is it happening at random?
Like you, I was having unexpected things happen with my light program.
My light was not doing what I had programed it to do. The sun would not set, The moon would not rise, or whites would come on in the middle of the night. It took me a few days to discover that my graphs from the fixture were not the same as what I had uploaded. Some how in the translation they were being altered when I uploaded them. The graphs were similar but there were always some differences. Thus, my light was doing unexpected things.
Solution: I found that if I immediately downloaded my graphs from the fixture after I had uploaded and saved them, I could see if the graph in the light was the same as what I uploaded.
Once I did this, I had to upload a couple of times to get a exact match in the light and I saved that graph. Now my light is functioning perfectly.
I could be wrong but I believe the problem lies in the v-link dongle method to program the light. If you don't have v-link located in a sweet spot to transmit , it sometimes does not work right or not at all. In my basement the signal strength changes all the time with late at night being the worse time to try and communicate with the light. No idea why. I was told by Guenther , one of the Vertex engineers, to try for a signal around -70db. If you get it too close it overpowers the fixture.
Hope that helps you.
